Instructables: exploring - technology - i2c http://www.instructables.com Sat, 30 May 2015 03:29:07 PDT BLOX v1.01 8x8x8 i2c LED cube http://www.instructables.com/id/8x8x8-i2c-LED-cube/
8x8x8 i2c LED cube - More DIY How To Projects]]> http://cdn.instructables.com/FNY/95QK/IA81SYC1/FNY95QKIA81SYC1.SQUARE2.jpg http://cdn.instructables.com/FNY/95QK/IA81SYC1/FNY95QKIA81SYC1.SQUARE.jpg http://cdn.instructables.com/FNY/95QK/IA81SYC1/FNY95QKIA81SYC1.SMALL.jpg mihaipop11 8x8x8 LED cube created with 5 MCP23017 I2C I/O expanders to minimize the microcontroller pins used to control all the 512 LEDs, so we need only 2 connection wires with the microcontroller, the SDA and SCK for the i2c comm with the I/O expanders. Each of the expander IC has 16 output/input digital p...
By: mihaipop11

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Thu, 28 May 2015 12:08:20 PDT
ATTiny84 - I2C Slave - Arduino UNO http://www.instructables.com/id/ATTiny84-I2C-Slave-Arduino-UNO/
ATTiny84 - I2C Slave - Arduino UNO - More DIY How To Projects]]> http://cdn.instructables.com/F8Y/11VW/IA2BSZHK/F8Y11VWIA2BSZHK.SQUARE2.jpg http://cdn.instructables.com/F8Y/11VW/IA2BSZHK/F8Y11VWIA2BSZHK.SQUARE.jpg http://cdn.instructables.com/F8Y/11VW/IA2BSZHK/F8Y11VWIA2BSZHK.SMALL.jpg baelza.bubba I've been working on building the pieces that I need to make myself a CNC PCB Mill for a little while now and the next part of the puzzle is trying to get the Arduino to control 3 step motors simultaneously. Since the architecture doesn't support multi-threading or multi-tasking, my solution is to o...
By: baelza.bubba

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Sun, 24 May 2015 04:53:18 PDT
CoPiino runs small I2C OLED display http://www.instructables.com/id/CoPiino-runs-small-I2C-OLED-display/
CoPiino runs small I2C OLED display - More DIY How To Projects]]> http://cdn.instructables.com/FTO/6VN2/I9O1IBOB/FTO6VN2I9O1IBOB.SQUARE2.jpg http://cdn.instructables.com/FTO/6VN2/I9O1IBOB/FTO6VN2I9O1IBOB.SQUARE.jpg http://cdn.instructables.com/FTO/6VN2/I9O1IBOB/FTO6VN2I9O1IBOB.SMALL.jpg AndyB2 There are projects where I want to attach a small display for quickly figuring out the current state. A pretty good example is my recent project "CoPiino Humidity Control". It is brilliant to have a website showing all recent charts of temperature, humidity and so. but sometimes you really need a qu...
By: AndyB2

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Thu, 14 May 2015 15:40:45 PDT
A Guide to Raspberry Pi Arduino Communication in Embedded Systems http://www.instructables.com/id/A-Guide-to-Raspberry-Pi-Arduino-Communication-in-E/
A Guide to Raspberry Pi Arduino Communication in Embedded Systems - More DIY How To Projects]]> http://cdn.instructables.com/FP3/0SEO/I9NE15MA/FP30SEOI9NE15MA.SQUARE2.jpg http://cdn.instructables.com/FP3/0SEO/I9NE15MA/FP30SEOI9NE15MA.SQUARE.jpg http://cdn.instructables.com/FP3/0SEO/I9NE15MA/FP30SEOI9NE15MA.SMALL.jpg BrianY2 This is a guide to various methods for communications between Raspberry Pi and Arduino. This guide is created from everything I've learned from the creation of a capacities forest. The post of the project can be seen, a video of the project can be seen here, and documentation on the software aspect ...
By: BrianY2

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Wed, 13 May 2015 20:03:17 PDT
Arduino Battery Voltage Indicator http://www.instructables.com/id/Arduino-Battery-Voltage-Indicator/
Arduino Battery Voltage Indicator - More DIY How To Projects]]> http://cdn.instructables.com/FCP/Y49E/I9FGR18V/FCPY49EI9FGR18V.SQUARE2.jpg http://cdn.instructables.com/FCP/Y49E/I9FGR18V/FCPY49EI9FGR18V.SQUARE.jpg http://cdn.instructables.com/FCP/Y49E/I9FGR18V/FCPY49EI9FGR18V.SMALL.jpg chienline When we are using a battery powered Arduino such as RC robots or Temperature Controller, we might want to check the battery voltage if it needs to be charged or replaced. It happens to me with my RC Panzer. Sometimes when my kids are about to run it, it moves very slow, low battery. Then they are di...
By: chienline

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Fri, 8 May 2015 03:32:41 PDT
Watt-a-save http://www.instructables.com/id/Watt-a-save/
Watt-a-save - More DIY How To Projects]]> http://cdn.instructables.com/FJJ/LLBU/I8LGLS08/FJJLLBUI8LGLS08.SQUARE2.jpg http://cdn.instructables.com/FJJ/LLBU/I8LGLS08/FJJLLBUI8LGLS08.SQUARE.jpg http://cdn.instructables.com/FJJ/LLBU/I8LGLS08/FJJLLBUI8LGLS08.SMALL.jpg AndreiAnghel The main purpose of this project is to monitor the energy consumption in a household so it can act as an intelligent switch and give feedback to the user on a website. The feedback is important as it will encourage responsible use of electrical power, reducing the cost of bills as proven here:http:/...
By: AndreiAnghel

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Fri, 17 Apr 2015 09:51:03 PDT
Arduino I2C display PIN debugging http://www.instructables.com/id/Arduino-I2C-display-PIN-debugging/
Arduino I2C display PIN debugging - More DIY How To Projects]]> http://cdn.instructables.com/FUT/7PW8/I8J9W2QL/FUT7PW8I8J9W2QL.SQUARE2.jpg http://cdn.instructables.com/FUT/7PW8/I8J9W2QL/FUT7PW8I8J9W2QL.SQUARE.jpg http://cdn.instructables.com/FUT/7PW8/I8J9W2QL/FUT7PW8I8J9W2QL.SMALL.jpg Superfish1000 Welcome to my attempt at an first Instructable. I'm making this because I bought a cheap crappy I2C LCD for Arduino off of eBay and spent several hours trying to hook it up. As expected the horrible instructions didn't do anything for me and I had to figure it out on my own. I didn't find anyone ...
By: Superfish1000

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Thu, 16 Apr 2015 01:38:10 PDT
ESP8266 - External I2C EEPROM Data Logger - AT24C32/64 Driver http://www.instructables.com/id/ESP8266-External-I2C-EEPROM-Data-Logger-AT24C3264-/
ESP8266 - External I2C EEPROM Data Logger - AT24C32/64 Driver - More DIY How To Projects]]> http://cdn.instructables.com/F48/KESB/I8G5W4BL/F48KESBI8G5W4BL.SQUARE2.jpg http://cdn.instructables.com/F48/KESB/I8G5W4BL/F48KESBI8G5W4BL.SQUARE.jpg http://cdn.instructables.com/F48/KESB/I8G5W4BL/F48KESBI8G5W4BL.SMALL.jpg TrackerJ As you might seen already in our previous article about DS3231 RTC Module, we have identified onboard an EEPROM chip, a 32k AT24C32 one. It is independent from the RTC circuit and conected on the I2C bus, a perfect companion for a WIFI Data Logger System. The AT24C32 provides 32,...
By: TrackerJ

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Tue, 14 Apr 2015 02:43:58 PDT
Arduino Tutorials (part two - 17 Tutorial Pack) http://www.instructables.com/id/Arduino-Tutorials-part-two-17-Tutorial-Pack/
Arduino Tutorials (part two - 17 Tutorial Pack) - More DIY How To Projects]]> http://cdn.instructables.com/FGK/QE2M/I7MY5EVQ/FGKQE2MI7MY5EVQ.SQUARE2.jpg http://cdn.instructables.com/FGK/QE2M/I7MY5EVQ/FGKQE2MI7MY5EVQ.SQUARE.jpg http://cdn.instructables.com/FGK/QE2M/I7MY5EVQ/FGKQE2MI7MY5EVQ.SMALL.jpg hypnotistas This is Arduino Tutorial Pack Part 2. The 1st part is available here: http://www.instructables.com/id/Arduino-Tutorials-...The 3rd part is available here: http://www.instructables.com/id/Arduino-Tutorials-...Unlike other tutorials here I won't give any background in theory how it works. It is orient...
By: hypnotistas

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Sun, 29 Mar 2015 12:38:20 PDT
12 Hr Binary Clock, hours and minutes only, DS1307 RTC, i2C, Arduino-Nano http://www.instructables.com/id/12-Hr-Binary-Clock-hours-and-minutes-only-DS1307-R/
12 Hr Binary Clock, hours and minutes only, DS1307 RTC, i2C, Arduino-Nano - More DIY How To Projects]]> http://cdn.instructables.com/FGX/H08L/I735WVMX/FGXH08LI735WVMX.SQUARE2.jpg http://cdn.instructables.com/FGX/H08L/I735WVMX/FGXH08LI735WVMX.SQUARE.jpg http://cdn.instructables.com/FGX/H08L/I735WVMX/FGXH08LI735WVMX.SMALL.jpg martin.fiddy For a while now I have wanted to make a binary clock, but after looking around I decided I wanted something just a bit different. So I decided to only display the hours and minutes and only display a 12 hours clock, this means you only need 3 columns and the pattern of LED’s looks neater. Also with ...
By: martin.fiddy

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Tue, 10 Mar 2015 13:26:08 PDT
How to share i2C connection on Due http://www.instructables.com/id/How-to-share-i2C-connection-on-Due/
How to share i2C connection on Due - More DIY How To Projects]]> http://cdn.instructables.com/FU4/BFP5/I5ZZZYYG/FU4BFP5I5ZZZYYG.SQUARE2.jpg http://cdn.instructables.com/FU4/BFP5/I5ZZZYYG/FU4BFP5I5ZZZYYG.SQUARE.jpg http://cdn.instructables.com/FU4/BFP5/I5ZZZYYG/FU4BFP5I5ZZZYYG.SMALL.jpg AdiM3 Hello,I just want to share that I am able to share SCL1,SDA1 pin between RTC clock using Adafruit RTClib.h library with their RGBLCDShield. I did have to do modification as everyone mention in the other posts. What I think is lacking is for someone to actually clearly setup an entire code for someon...
By: AdiM3

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Tue, 10 Feb 2015 21:13:51 PST
8 Channel Programmable Timer http://www.instructables.com/id/8-Channel-Programmable-Timer/
8 Channel Programmable Timer - More DIY How To Projects]]> http://cdn.instructables.com/FV8/X7DR/I5S2ED0O/FV8X7DRI5S2ED0O.SQUARE2.jpg http://cdn.instructables.com/FV8/X7DR/I5S2ED0O/FV8X7DRI5S2ED0O.SQUARE.jpg http://cdn.instructables.com/FV8/X7DR/I5S2ED0O/FV8X7DRI5S2ED0O.SMALL.jpg Eric Brouwer IntroductionI have been using Microchip’s PIC range of microcontroller for my projects since 1993, and have done all my programming in assembler language, using the Microchip MPLab IDE. My projects ranged from simple traffic lights and flashing LEDs, to USB joystick interfaces for R/C models, and sw...
By: Eric Brouwer

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Thu, 5 Feb 2015 06:06:34 PST
Arduino Temperature and Humidity logger with DHT11 and I2C Display http://www.instructables.com/id/Arduino-Temperature-and-Humidity-logger-with-DHT11/
Arduino Temperature and Humidity logger with DHT11 and I2C Display - More DIY How To Projects]]> http://cdn.instructables.com/FXU/46LI/I50X1A5B/FXU46LII50X1A5B.SQUARE2.jpg http://cdn.instructables.com/FXU/46LI/I50X1A5B/FXU46LII50X1A5B.SQUARE.jpg http://cdn.instructables.com/FXU/46LI/I50X1A5B/FXU46LII50X1A5B.SMALL.jpg Timofte Andrei Some time ago I've found an interesting instructable about temperature data logging. As I had some of the parts laying around my desk and with the occasion of making the Universal Shield, I told to myself why not making an Arduino clock with date, temperature and humidity with data logging function?...
By: Timofte Andrei

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Thu, 15 Jan 2015 12:00:51 PST
Arduino Universal Shield http://www.instructables.com/id/Arduino-Universal-Shield/
Arduino Universal Shield - More DIY How To Projects]]> http://cdn.instructables.com/FO1/ALWX/I4PHK9BQ/FO1ALWXI4PHK9BQ.SQUARE2.jpg http://cdn.instructables.com/FO1/ALWX/I4PHK9BQ/FO1ALWXI4PHK9BQ.SQUARE.jpg http://cdn.instructables.com/FO1/ALWX/I4PHK9BQ/FO1ALWXI4PHK9BQ.SMALL.jpg Timofte Andrei Hi! Today I'm gonna show you my latest thing I've done in Eagle. It's not something hard or very impresive, but it's useful and it can help you to spare some wires and you can avoid the breadboard for small projects.As you can see I'm not a pro in using CADSoft Eagle, but if you're not happy with my...
By: Timofte Andrei

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Thu, 8 Jan 2015 10:58:08 PST
Intel IoT Edison web controlled LED http://www.instructables.com/id/Intel-IoT-Edison-web-controlled-LED/
Intel IoT Edison web controlled LED - More DIY How To Projects]]> http://cdn.instructables.com/FCM/1Z0D/I3TIDX4X/FCM1Z0DI3TIDX4X.SQUARE2.jpg http://cdn.instructables.com/FCM/1Z0D/I3TIDX4X/FCM1Z0DI3TIDX4X.SQUARE.jpg http://cdn.instructables.com/FCM/1Z0D/I3TIDX4X/FCM1Z0DI3TIDX4X.SMALL.jpg techprolet This instructable demonstrates how to combine the Arduino IDE with node.js, available by default on Edison's Yocto linux, in order to control Arduino elements remotely, through a web interface. To put it simply, you can press a button from any browser to switch a LED on/off on your Intel® Edison Ard...
By: techprolet

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Sat, 27 Dec 2014 15:26:35 PST
Dual-Arduino I2C Temperature Display http://www.instructables.com/id/Dual-Arduino-I2C-Temperature-Display/
Dual-Arduino I2C Temperature Display - More DIY How To Projects]]> http://cdn.instructables.com/FKO/1GHA/I3WWOW9L/FKO1GHAI3WWOW9L.SQUARE2.jpg http://cdn.instructables.com/FKO/1GHA/I3WWOW9L/FKO1GHAI3WWOW9L.SQUARE.jpg http://cdn.instructables.com/FKO/1GHA/I3WWOW9L/FKO1GHAI3WWOW9L.SMALL.jpg Frowney001 Using Arduinos is great and all, but what happens when you run out of pins? Sure, you could buy a Mega, but what if you already have a few Unos, or maybe some Micros? There is a nifty protocol in electronics nowadays, and it's called Serial. Oh, you've heard of it? Well, Serial communication can...
By: Frowney001

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Sat, 20 Dec 2014 11:43:38 PST
Arduino Finite State Machine and multitasks http://www.instructables.com/id/Arduino-Finite-State-Machine/
Arduino Finite State Machine and multitasks - More DIY How To Projects]]> http://cdn.instructables.com/FOW/2EPL/I3S5LOJ7/FOW2EPLI3S5LOJ7.SQUARE2.jpg http://cdn.instructables.com/FOW/2EPL/I3S5LOJ7/FOW2EPLI3S5LOJ7.SQUARE.jpg http://cdn.instructables.com/FOW/2EPL/I3S5LOJ7/FOW2EPLI3S5LOJ7.SMALL.jpg manu4371 A finite state machine is diagram used to organise tasks to control several insdustrial systems (production, heater, pump, conveyors...). All these sytems include states (associated with an "action", ie: start, run, stop) some of them are "wanted" or said "stable" others are "unwanted" or unstable. ...
By: manu4371

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Wed, 17 Dec 2014 09:24:02 PST
Reading I2C Inputs in Raspberry Pi using C http://www.instructables.com/id/Reading-I2C-Inputs-in-Raspberry-Pi-using-C/
Reading I2C Inputs in Raspberry Pi using C - More DIY How To Projects]]> http://cdn.instructables.com/FDJ/VDVH/I21RK857/FDJVDVHI21RK857.SQUARE2.jpg http://cdn.instructables.com/FDJ/VDVH/I21RK857/FDJVDVHI21RK857.SQUARE.jpg http://cdn.instructables.com/FDJ/VDVH/I21RK857/FDJVDVHI21RK857.SMALL.jpg nahidalam Originally posted in http://lilyhack.wordpress.com/2014/07/25/raspberry...Accessing Raspberry Pi GPIO pins with Python libraries is popular among hackers & makers. How about programming languages like C? C gives you flexibility to port code in embedded firmware/driver layer if necessary. That is why...
By: nahidalam

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Mon, 3 Nov 2014 08:22:58 PST
Arduino basics part 2 http://www.instructables.com/id/Arduino-basics-part-2/
Arduino basics part 2 - More DIY How To Projects]]> http://cdn.instructables.com/FJ6/0EGF/I20HMPMN/FJ60EGFI20HMPMN.SQUARE2.jpg http://cdn.instructables.com/FJ6/0EGF/I20HMPMN/FJ60EGFI20HMPMN.SQUARE.jpg http://cdn.instructables.com/FJ6/0EGF/I20HMPMN/FJ60EGFI20HMPMN.SMALL.jpg Arman5592 Hi , this is the second part of the previous guide . In this guide I'll introduce some other 'basic' codes and general uses . The fact that some sensors are 'basic' doesn't certainly mean that they don't get complicated . Even a basic component - like a photo-transistor (IR receiver) can become qui...
By: Arman5592

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Sat, 1 Nov 2014 09:12:32 PDT
Learning Morse!! http://www.instructables.com/id/Learning-Morse/
Learning Morse!! - More DIY How To Projects]]> http://cdn.instructables.com/FQB/NDGX/I13EBQJD/FQBNDGXI13EBQJD.SQUARE2.jpg http://cdn.instructables.com/FQB/NDGX/I13EBQJD/FQBNDGXI13EBQJD.SQUARE.jpg http://cdn.instructables.com/FQB/NDGX/I13EBQJD/FQBNDGXI13EBQJD.SMALL.jpg JuanToƱo Hi!! I made this instructable for those persons who want to learn Morse code. I thought that only write and store code in our minds was boring, and I decided to make this learning more interactive and fun using an arduino board. Have Fun :D!!! What is Morse code? Morse code has been in use for mo...
By: JuanToño

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Fri, 10 Oct 2014 20:11:25 PDT
Bit Banging with Raspberry pi for I2C control with perl http://www.instructables.com/id/Bit-Banging-with-Raspberry-pi-for-I2C-control-with/
Bit Banging with Raspberry pi for I2C control with perl - More DIY How To Projects]]> http://cdn.instructables.com/FZZ/6AQ5/HYNYMLGM/FZZ6AQ5HYNYMLGM.SQUARE2.jpg http://cdn.instructables.com/FZZ/6AQ5/HYNYMLGM/FZZ6AQ5HYNYMLGM.SQUARE.jpg http://cdn.instructables.com/FZZ/6AQ5/HYNYMLGM/FZZ6AQ5HYNYMLGM.SMALL.gif designdan77 First a little general backgroundTo use many of the I2C to parallel port IC's with the Raspberry pi you need to be able to manipulate the data bit wise. Usually this is done in a micro controller, but with the pi there is much more power to do other things so once you master the bit wise manipulati...
By: designdan77

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Sun, 10 Aug 2014 09:45:54 PDT
1602 2004 LCD Adapter Addressing ! http://www.instructables.com/id/1602-2004-LCD-Adapter-Addressing/
1602 2004 LCD Adapter Addressing ! - More DIY How To Projects]]> http://cdn.instructables.com/FZ2/3J95/HYJY4U64/FZ23J95HYJY4U64.SQUARE2.jpg http://cdn.instructables.com/FZ2/3J95/HYJY4U64/FZ23J95HYJY4U64.SQUARE.jpg http://cdn.instructables.com/FZ2/3J95/HYJY4U64/FZ23J95HYJY4U64.SMALL.jpg PiotrS This wil be a simple instructable on how to change the I2C addres of 1602 2004 lcd adapter.Iv decid it to make it after a frustrating attempt to find the address table on the net Step 1 Locating the 3 address jumpers If your adapter look eny thing like mine, thous 3 jumpers should be exactly as s...
By: PiotrS

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Thu, 7 Aug 2014 14:08:17 PDT
Arduino for Greenhouse, Garden or Growbox http://www.instructables.com/id/Arduino-for-Greenhouse-Garden-or-Growbox/
Arduino for Greenhouse, Garden or Growbox - More DIY How To Projects]]> http://cdn.instructables.com/F2X/K4RN/HY7T5UB6/F2XK4RNHY7T5UB6.SQUARE2.jpg http://cdn.instructables.com/F2X/K4RN/HY7T5UB6/F2XK4RNHY7T5UB6.SQUARE.jpg http://cdn.instructables.com/F2X/K4RN/HY7T5UB6/F2XK4RNHY7T5UB6.SMALL.jpg diy_bloke I have been using Attiny chips for irrigation tasks in my garden, but having plans to build a greenhouse, an Arduino seemed to be the way to go as it has more ports. I know, there are many 'Garduino' type projects already, including ones that twitter the state of your plants, but I just wanted somet...
By: diy_bloke

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Wed, 30 Jul 2014 05:08:27 PDT
Home automation system using Arduino and SIM900 GSM module http://www.instructables.com/id/Home-automation-system-using-Arduino-and-SIM900-GS/
Home automation system using Arduino and SIM900 GSM module - More DIY How To Projects]]> http://cdn.instructables.com/FJN/OZUB/HY3ZCQNK/FJNOZUBHY3ZCQNK.SQUARE2.jpg http://cdn.instructables.com/FJN/OZUB/HY3ZCQNK/FJNOZUBHY3ZCQNK.SQUARE.jpg http://cdn.instructables.com/FJN/OZUB/HY3ZCQNK/FJNOZUBHY3ZCQNK.SMALL.jpg Timofte Andrei Hi there! As I've almost finished my studies at Faculty of Engineering, I had to make a graduation project and my thought was to make a jaw-dropping thing (I know that's hilarious :D ) to show everybody that I'm a good prototype maker and I can turn ideas into real and useful things. I know GSM cont...
By: Timofte Andrei

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Mon, 28 Jul 2014 06:25:21 PDT
Make Seedstudio's I2C LCD monitor work with an old Arduino http://www.instructables.com/id/Make-seedstudio-I2C-LCD-monitor-work-with-an-old-A/
Make Seedstudio's I2C LCD monitor work with an old Arduino - More DIY How To Projects]]> http://cdn.instructables.com/FAP/VNV0/HWLD8A40/FAPVNV0HWLD8A40.SQUARE2.jpg http://cdn.instructables.com/FAP/VNV0/HWLD8A40/FAPVNV0HWLD8A40.SQUARE.jpg http://cdn.instructables.com/FAP/VNV0/HWLD8A40/FAPVNV0HWLD8A40.SMALL.jpg thedod I've got a Grove started kit by Seedstudio, and I had problems using its LCD display with an old Arduino model (I'm using a Freediuno. IDE recognizes it as a "Duomilanove w/ ATmega328", but I believe many old boards would have a similar problem).I've found out way around this and started to document...
By: thedod

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Fri, 20 Jun 2014 04:36:50 PDT
LCD display I2C adapter for Arduino with PCF8574A http://www.instructables.com/id/LCD-display-I2C-adapter-for-Arduino-with-PCF8574A/
LCD display I2C adapter for Arduino with PCF8574A - More DIY How To Projects]]> http://cdn.instructables.com/F5Y/XRU3/HSTP2XUG/F5YXRU3HSTP2XUG.SQUARE2.jpg http://cdn.instructables.com/F5Y/XRU3/HSTP2XUG/F5YXRU3HSTP2XUG.SQUARE.jpg http://cdn.instructables.com/F5Y/XRU3/HSTP2XUG/F5YXRU3HSTP2XUG.SMALL.jpg uge02 Using LCD display with arduino needs many I/O lines of your microcontroller. Never again with the I2C adapter !!! In this tutorial I've used a PCF8574A shift register I2C interfaced. The advantages are: it's cheap and on the web is available a library written for our purposes. What will you n...
By: uge02

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Sun, 16 Mar 2014 16:06:32 PDT
Raspberry Pi - Revision 2 DIY Add-On Board http://www.instructables.com/id/Raspberry-Pi-Revision-2-DIY-Add-On-Board/
Raspberry Pi - Revision 2 DIY Add-On Board - More DIY How To Projects]]> http://cdn.instructables.com/F0Z/KXFK/HP81XFHN/F0ZKXFKHP81XFHN.SQUARE2.jpg http://cdn.instructables.com/F0Z/KXFK/HP81XFHN/F0ZKXFKHP81XFHN.SQUARE.jpg http://cdn.instructables.com/F0Z/KXFK/HP81XFHN/F0ZKXFKHP81XFHN.SMALL.jpg Jestin_Cubetech On the Raspberry Pi, there are several connections which can be used for expansion:     1,  The Rpi GPIO (General Purpose Input/Output) pins are exposed, that means that expansion           boards are able to talk directly to the CPU.      2, The DSI connector will allow low-level interfacing with...
By: Jestin_Cubetech

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Mon, 20 Jan 2014 23:41:19 PST
Clock with thermometer using Arduino, i2c 16x2 lcd, DS1307 RTC and DHT11 sensor. http://www.instructables.com/id/Clock-with-termometer-using-Arduino-i2c-16x2-lcd-D/ http://cdn.instructables.com/FMJ/5WZY/HQHHWGR4/FMJ5WZYHQHHWGR4.SQUARE2.jpg http://cdn.instructables.com/FMJ/5WZY/HQHHWGR4/FMJ5WZYHQHHWGR4.SQUARE.jpg http://cdn.instructables.com/FMJ/5WZY/HQHHWGR4/FMJ5WZYHQHHWGR4.SMALL.jpg Timofte Andrei Hello! It's been a while I've didn't posted anything on Instructables, but now I made a simple project that I've seen on internet in various forms. I managed to build a code using other codes I've found on internet and I got to say it's working good. For this project you need: - Arduino Uno - 16x2 L...
By: Timofte Andrei

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Thu, 16 Jan 2014 00:51:57 PST
Arduino Thermostat with 2x DS18b20 i2c 4x16 Display, 2 RGB LED's and 3 Relay's http://www.instructables.com/id/Arduino-Thermostat-with-2x-DS18b20-i2c-4x16-Displa/
Arduino Thermostat with 2x DS18b20 i2c 4x16 Display, 2 RGB LED's and 3 Relay's - More DIY How To Projects]]> http://cdn.instructables.com/FX8/3CVE/HM8DKBIV/FX83CVEHM8DKBIV.SQUARE2.jpg http://cdn.instructables.com/FX8/3CVE/HM8DKBIV/FX83CVEHM8DKBIV.SQUARE.jpg http://cdn.instructables.com/FX8/3CVE/HM8DKBIV/FX83CVEHM8DKBIV.SMALL.jpg Guxtdu The Goal of the Project is a Thermostat for my 2 Fish Tank's with LCD Display RGB LED an Relay to control the Heater in the Tank an a Cooling Fan for the Big Fishtank Parts: Arduino Nano or equal 2x RGB LED's or RGB SMD LED or Single Color LED's 1x 2 Channel 5v Relay Modul - for the Heater's 1x 1 C...
By: Guxtdu

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Sat, 5 Oct 2013 12:57:24 PDT
*duino Keg Temp Monitor, or the Quest for the Perfect Pint http://www.instructables.com/id/duino-Keg-Temp-Monitor-or-the-Quest-for-the-Perfec/
*duino Keg Temp Monitor, or the Quest for the Perfect Pint - More DIY How To Projects]]> http://cdn.instructables.com/FF0/1EJT/HM8D4XF7/FF01EJTHM8D4XF7.SQUARE2.jpg http://cdn.instructables.com/FF0/1EJT/HM8D4XF7/FF01EJTHM8D4XF7.SQUARE.jpg http://cdn.instructables.com/FF0/1EJT/HM8D4XF7/FF01EJTHM8D4XF7.SMALL.jpg spikec I was looking for a project that combined my three favorite things - working in my shop, building cool stuff for my bar and of course, drinking beer. After a couple of weeks in the old country drinking "the Guinness", I decided my I'd put a keg of "Moothers' milk" in my kegerator and prolong my vaca...
By: spikec

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Fri, 4 Oct 2013 17:42:32 PDT
Raspberry Pi Temperature Logger http://www.instructables.com/id/Raspberry-Pi-Temperature-Logger/
Raspberry Pi Temperature Logger - More DIY How To Projects]]> http://cdn.instructables.com/FX4/N8TL/HIPIX7LQ/FX4N8TLHIPIX7LQ.SQUARE2.jpg http://cdn.instructables.com/FX4/N8TL/HIPIX7LQ/FX4N8TLHIPIX7LQ.SQUARE.jpg http://cdn.instructables.com/FX4/N8TL/HIPIX7LQ/FX4N8TLHIPIX7LQ.SMALL.jpg ZRob314 Here are the instructions to build a simple termperature logger using a $5.00 I2C temperature sensor.  The data is stored to the SD card and can be easily imported into excel.  Simply by changing or adding other sensors other types of data can also be collected. The following components are used fo...
By: ZRob314

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Wed, 10 Jul 2013 20:52:21 PDT
Build Your FM transmission Station with Arduino http://www.instructables.com/id/Build-Your-FM-transmission-Station-with-Arduino/
Build Your FM transmission Station with Arduino - More DIY How To Projects]]> http://cdn.instructables.com/FEA/8IUI/HHJOCX1H/FEA8IUIHHJOCX1H.SQUARE2.jpg http://cdn.instructables.com/FEA/8IUI/HHJOCX1H/FEA8IUIHHJOCX1H.SQUARE.jpg http://cdn.instructables.com/FEA/8IUI/HHJOCX1H/FEA8IUIHHJOCX1H.SMALL.jpg Mohannad Rawashdeh Hi every body . Before  A  3 months Ago , one of my friend ask me to build  a Simple FM transmitter , he Would to transmit An Audio File from computer and PLAY it on any radio channel , By adjust the frequency of receiver  as same as transmitter  frequency   I searched on the internet on for this ...
By: Mohannad Rawashdeh

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Thu, 13 Jun 2013 07:01:47 PDT
Environmental Monitoring with BeagleBone or RaspberryPI and Ardunio http://www.instructables.com/id/Environmental-Monitoring-with-BeagleBone-or-Raspbe/
Environmental Monitoring with BeagleBone or RaspberryPI and Ardunio - More DIY How To Projects]]> http://cdn.instructables.com/FGX/STVV/HHOFPFBR/FGXSTVVHHOFPFBR.SQUARE2.jpg http://cdn.instructables.com/FGX/STVV/HHOFPFBR/FGXSTVVHHOFPFBR.SQUARE.jpg http://cdn.instructables.com/FGX/STVV/HHOFPFBR/FGXSTVVHHOFPFBR.SMALL.jpg chrwei This is a project I've been working on for a while, and still have ways to go, but I have enough success right now that I can I share what I've got.  This covers connecting a Beaglebone and an Arduino via TTL serial and I2C, using a parallel LCD with an Arduino, using a DHT-22 with Arduino, and usin...
By: chrwei

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Mon, 10 Jun 2013 04:30:52 PDT
I2C LCD Controller Part II http://www.instructables.com/id/I2C-LCD-Controller-Part-II/
I2C LCD Controller Part II - More DIY How To Projects]]> http://cdn.instructables.com/FLE/B1Q8/HFSHTO7B/FLEB1Q8HFSHTO7B.SQUARE2.jpg http://cdn.instructables.com/FLE/B1Q8/HFSHTO7B/FLEB1Q8HFSHTO7B.SQUARE.jpg http://cdn.instructables.com/FLE/B1Q8/HFSHTO7B/FLEB1Q8HFSHTO7B.SMALL.jpg verdelj Now that we have install and assemble the controller here is a little project. we are going to build a thermometer. Parts list 1. Arduino 1. I2C LCD 1. DHT11 Temp Sensor 1. 1k Resistor 7. Jumper wires        Connecting the LCD is very simple LCD                 Arduino 5VCD   ...
By: verdelj

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Sun, 28 Apr 2013 15:40:44 PDT
I2C LCD Controller (the easy way) http://www.instructables.com/id/I2C-LCD-Controller-the-easy-way/
I2C LCD Controller (the easy way) - More DIY How To Projects]]> http://cdn.instructables.com/F10/WNFG/HFWSTI48/F10WNFGHFWSTI48.SQUARE2.jpg http://cdn.instructables.com/F10/WNFG/HFWSTI48/F10WNFGHFWSTI48.SQUARE.jpg http://cdn.instructables.com/F10/WNFG/HFWSTI48/F10WNFGHFWSTI48.SMALL.jpg verdelj I am working on an alarm/weather station project and I wanted to use an LCD but dint want to have a lot of wires so I order a controller. This is just a very basic tutorial on how to hook it up, for the beginners like my self. Parts Parts list:       1. LCD in this case a 16x02   1....
By: verdelj

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Sat, 27 Apr 2013 09:11:35 PDT
0-5V Analog input from Raspberry Pi graphed on Web http://www.instructables.com/id/Raspberry-Pi-I2C-Master-communicating-with-a-PIC-s/
0-5V Analog input from Raspberry Pi graphed on Web - More DIY How To Projects]]> http://cdn.instructables.com/FG3/BTN4/HE7D9Y8L/FG3BTN4HE7D9Y8L.SQUARE2.jpg http://cdn.instructables.com/FG3/BTN4/HE7D9Y8L/FG3BTN4HE7D9Y8L.SQUARE.jpg http://cdn.instructables.com/FG3/BTN4/HE7D9Y8L/FG3BTN4HE7D9Y8L.SMALL.jpg electronicshouse Using the PIC PI expansion board combined with your Raspberry Pi i will show you how you can Graph analog Voltages to Cosm  Hardware needed for this project  1 x Raspberry Pi 1 x PIC PI development board ( you will be able to purchase this soon ) 1 x Microchip Programmer 1 x 10k Ohm Trimpot 1 x Sol...
By: electronicshouse

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Mon, 11 Mar 2013 23:14:58 PDT
Using NXT Components with a Micro Controller http://www.instructables.com/id/How-to-use-LEGO-NXT-sensors-and-motors-with-a-non-/
Using NXT Components with a Micro Controller - More DIY How To Projects]]> http://cdn.instructables.com/FM3/MYL4/HE081IQ9/FM3MYL4HE081IQ9.SQUARE2.jpg http://cdn.instructables.com/FM3/MYL4/HE081IQ9/FM3MYL4HE081IQ9.SQUARE.jpg http://cdn.instructables.com/FM3/MYL4/HE081IQ9/FM3MYL4HE081IQ9.SMALL.jpg carrick149 This is a guide to using the motors and sensors from the LEGO NXT set with a Parallax Basic Stamp II or BS2.  However, rather than just providing schematics and sample code for the BS2, I'll be providing some theory on how the sensors work as well.  This way, someone using an arduino or other microc...
By: carrick149

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Thu, 7 Mar 2013 11:39:12 PST
Add I2C EEPROM to Arduino http://www.instructables.com/id/Add-I2C-EEPROM-to-Arduino/ http://cdn.instructables.com/F0Q/XSX9/HA4LFY2V/F0QXSX9HA4LFY2V.SQUARE2.jpg http://cdn.instructables.com/F0Q/XSX9/HA4LFY2V/F0QXSX9HA4LFY2V.SQUARE.jpg http://cdn.instructables.com/F0Q/XSX9/HA4LFY2V/F0QXSX9HA4LFY2V.SMALL.jpg diy_bloke Attaching an EEPROM to the Arduino is quite simple and the easiest way to do that is via the I2C bus. EEPROMs come in many forms but the 24 LS256 or 24LC256 is a good choice as it is easy to use and pretty cheap (85 euro cents at my supplier). The 24LC256 holds 256 kilobits of data (that is 32 kilob...
By: diy_bloke

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Sat, 1 Dec 2012 08:30:31 PST
Using The PCF8575 i2c i/o Expander To Read Inputs With Arduino http://www.instructables.com/id/Using-The-PCF8575-i2c-io-Expander-To-Read-Inputs-/
Using The PCF8575 i2c i/o Expander To Read Inputs With Arduino - More DIY How To Projects]]> http://cdn.instructables.com/FIC/ALTO/H9QPOOWB/FICALTOH9QPOOWB.SQUARE2.jpg http://cdn.instructables.com/FIC/ALTO/H9QPOOWB/FICALTOH9QPOOWB.SQUARE.jpg http://cdn.instructables.com/FIC/ALTO/H9QPOOWB/FICALTOH9QPOOWB.SMALL.jpg Fuzzy-Wobble This Instructable will show you just how easy it is to add extra inputs to your Arduino. You can use this technique to add hundreds of extra inputs to your Arduino with only two wires by using a fancy communication protocol called i2c (eye-squared-see). What I have used... PCF8575 SMD to ...
By: Fuzzy-Wobble

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Tue, 20 Nov 2012 19:16:40 PST
RGB LED Sculpture http://www.instructables.com/id/RGB-LED-Sculpture/
RGB LED Sculpture - More DIY How To Projects]]> http://cdn.instructables.com/FJS/DWH7/H9G0WAVL/FJSDWH7H9G0WAVL.SQUARE2.jpg http://cdn.instructables.com/FJS/DWH7/H9G0WAVL/FJSDWH7H9G0WAVL.SQUARE.jpg http://cdn.instructables.com/FJS/DWH7/H9G0WAVL/FJSDWH7H9G0WAVL.SMALL.jpg amartinez39 I decided to post this project to enter the Instructable Design Competition and the Make It Glow Contest. This is a logo that my friend designed for his band (Rhyme & Reason). He gave me the opportunity to bring his band logo to life. The logo is made out of plywood covered with black vinyl, 380 RGB...
By: amartinez39

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Tue, 20 Nov 2012 00:26:30 PST
PICAXE Raspberry Pi ADC http://www.instructables.com/id/PICAXE-Raspberry-Pi-ADC/
PICAXE Raspberry Pi ADC - More DIY How To Projects]]> http://cdn.instructables.com/F1M/YFZP/H8I45NOD/F1MYFZPH8I45NOD.SQUARE2.jpg http://cdn.instructables.com/F1M/YFZP/H8I45NOD/F1MYFZPH8I45NOD.SQUARE.jpg http://cdn.instructables.com/F1M/YFZP/H8I45NOD/F1MYFZPH8I45NOD.SMALL.jpg AntMan232 In this instructable I will show you how to use a cheap PICAXE micro-controller as a multiple channel analogue to digital converter. We will be using I2C to access the PICAXE, which will be writing the adc values into the memory registers.  The Raspberry Pi does not have a built in ADC, which is un...
By: AntMan232

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Fri, 26 Oct 2012 00:43:55 PDT
Raspberry Pi I2C (Python) http://www.instructables.com/id/Raspberry-Pi-I2C-Python/
Raspberry Pi I2C (Python) - More DIY How To Projects]]> http://cdn.instructables.com/F1M/YFZP/H8I45NOD/F1MYFZPH8I45NOD.SQUARE2.jpg http://cdn.instructables.com/F1M/YFZP/H8I45NOD/F1MYFZPH8I45NOD.SQUARE.jpg http://cdn.instructables.com/F1M/YFZP/H8I45NOD/F1MYFZPH8I45NOD.SMALL.jpg AntMan232 In this instructable, I will explain how to use I2C on the Pi, with the examples of the CMPS03 compass module and SRF08 Ultrasonic range, using python. I will explain right through installing the OS, to ensure that the dependencies and everything is installed. I2C is a communication bus designed by...
By: AntMan232

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Tue, 23 Oct 2012 06:09:32 PDT
How to use i2c communication between MSP430 and Arduino http://www.instructables.com/id/i2c-communication-between-MSP430-and-Arduino/ http://cdn.instructables.com/FIG/5GME/H8LVWOU6/FIG5GMEH8LVWOU6.SQUARE2.jpg http://cdn.instructables.com/FIG/5GME/H8LVWOU6/FIG5GMEH8LVWOU6.SQUARE.jpg http://cdn.instructables.com/FIG/5GME/H8LVWOU6/FIG5GMEH8LVWOU6.SMALL.jpg meanpc This video shows how an MSP430 can communicate with an Arduino using the I2C protocol.  In this video I use the Energia programming environment. Read more at my blog:  MeanPC
By: meanpc

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Tue, 23 Oct 2012 01:23:03 PDT
How to use i2c for Arduino to Arduino communication http://www.instructables.com/id/How-to-use-i2c-for-Arduino-to-Arduino-communicatio/ http://cdn.instructables.com/FF0/D82W/H8I45AHK/FF0D82WH8I45AHK.SQUARE2.jpg http://cdn.instructables.com/FF0/D82W/H8I45AHK/FF0D82WH8I45AHK.SQUARE.jpg http://cdn.instructables.com/FF0/D82W/H8I45AHK/FF0D82WH8I45AHK.SMALL.jpg meanpc Learn how to use i2c for basic communication between two arduinos.   Link to i2c communication between an Arduino Uno and an Arduino Mega 2560 at my blog.  Includes code used in this video instructable. Link to MeanPC, my electronics blog.
By: meanpc

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Sun, 21 Oct 2012 17:18:49 PDT
ATTiny USI I2C Introduction - A powerful, fast, and convenient communication interface for your ATTiny projects! http://www.instructables.com/id/ATTiny-USI-I2C-The-detailed-in-depth-and-infor/
ATTiny USI I2C Introduction - A powerful, fast, and convenient communication interface for your ATTiny projects! - More DIY How To Projects]]> http://cdn.instructables.com/FF5/8TR4/H54067BM/FF58TR4H54067BM.SQUARE2.jpg http://cdn.instructables.com/FF5/8TR4/H54067BM/FF58TR4H54067BM.SQUARE.jpg http://cdn.instructables.com/FF5/8TR4/H54067BM/FF58TR4H54067BM.SMALL.jpg CalcProgrammer1 I2C, it's a standard that's been around for around 20 years and has found uses in nearly every corner of the electronics universe.  It's an incredibly useful technology for us microcontroller hobbyists but can seem daunting for new users.  This tutorial will solve that problem, first by reviewing wh...
By: CalcProgrammer1

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Mon, 30 Jul 2012 19:30:58 PDT
Vga breakout cable. http://www.instructables.com/id/Vga-breakout-cable/
Vga breakout cable. - More DIY How To Projects]]> http://cdn.instructables.com/FJE/UPZ6/H3HCL7BL/FJEUPZ6H3HCL7BL.SQUARE2.jpg http://cdn.instructables.com/FJE/UPZ6/H3HCL7BL/FJEUPZ6H3HCL7BL.SQUARE.jpg http://cdn.instructables.com/FJE/UPZ6/H3HCL7BL/FJEUPZ6H3HCL7BL.SMALL.jpg Computothought Actually you can interface quite a few pieces of equipment to the vga port. Vga analog monitors are pretty standard now, but that was not always the case. To save money, people would make their own adapter cables for connecting competing brands of monitors. In fact, quite a few companies did quite w...
By: Computothought

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Fri, 15 Jun 2012 14:50:03 PDT
Arduino Temperature Sensor http://www.instructables.com/id/Arduino-Temperature-Sensor/
Arduino Temperature Sensor - More DIY How To Projects]]> http://cdn.instructables.com/FQ4/8GVP/GTQZJ8XJ/FQ48GVPGTQZJ8XJ.SQUARE2.jpg http://cdn.instructables.com/FQ4/8GVP/GTQZJ8XJ/FQ48GVPGTQZJ8XJ.SQUARE.jpg http://cdn.instructables.com/FQ4/8GVP/GTQZJ8XJ/FQ48GVPGTQZJ8XJ.SMALL.jpg nadav Ever wanted to read the temperature with your arduino? Heres a great way how using only 4 wires! With the TC74!! The temperature is accurate to about ±2°C What you'll need... The things you need are: - An Arduino (Im using Duemilanove) - The TC47 (3.3V or 5V) - Four(4) bits of wire - A breadboard...
By: nadav

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Fri, 14 Oct 2011 22:56:13 PDT
JabberBot! The Arduino robot with an ATMega brain and bluetooth braun! :-) http://www.instructables.com/id/JabberBot-The-Arduino-robot-with-an-ATMega-brain-/ http://cdn.instructables.com/F6I/SMRB/GO14IBF1/F6ISMRBGO14IBF1.SQUARE2.jpg http://cdn.instructables.com/F6I/SMRB/GO14IBF1/F6ISMRBGO14IBF1.SQUARE.jpg http://cdn.instructables.com/F6I/SMRB/GO14IBF1/F6ISMRBGO14IBF1.SMALL.jpg declanshanaghy JabberBot is controlled via an Android application over a bluetooth serial connection. The guts of it are based on an I2C adaptation of the Adafruit WaveShield and MotorShield. The bluetooth module is a Bluetooth Mate Silver from Sparkfun. What does this thing do? The android app running on the pho...
By: declanshanaghy

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Tue, 24 May 2011 00:30:04 PDT
The amazing EGG-CLOCK http://www.instructables.com/id/The-amazing-EGG-CLOCK/
The amazing EGG-CLOCK - More DIY How To Projects]]> http://cdn.instructables.com/FUR/D5AG/GN4CZN79/FURD5AGGN4CZN79.SQUARE2.jpg http://cdn.instructables.com/FUR/D5AG/GN4CZN79/FURD5AGGN4CZN79.SQUARE.jpg http://cdn.instructables.com/FUR/D5AG/GN4CZN79/FURD5AGGN4CZN79.SMALL.jpg franspaco Hi everybody, Today I'm posting my newest creation: The EGG-CLOCK!!!! This little clock was made all by myself (lot of hard work :D), and the first thing you may notice is that it´s not too small, so i just want to say that's the smallest thing I could create, if you still think its cool, you like ...
By: franspaco

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Sun, 1 May 2011 16:02:17 PDT
FanBus Digital Fan and LED Interface for PC http://www.instructables.com/id/FanBus-Digital-Fan-and-LED-Interface-for-PC/
FanBus Digital Fan and LED Interface for PC - More DIY How To Projects]]> http://cdn.instructables.com/F0I/EJTW/GJ6F69AB/F0IEJTWGJ6F69AB.SQUARE2.jpg http://cdn.instructables.com/F0I/EJTW/GJ6F69AB/F0IEJTWGJ6F69AB.SQUARE.jpg http://cdn.instructables.com/F0I/EJTW/GJ6F69AB/F0IEJTWGJ6F69AB.SMALL.jpg CalcProgrammer1 Last year I modified a blue LED fan with RGB LED's to enhance the look of my server case.  Last summer I built a gaming computer and ever since I wanted to light it up with multiple controlled lights and fans.  I finally figured out an easy interface and designed a simple network (the "fan bus") to ...
By: CalcProgrammer1

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Sun, 1 May 2011 02:20:15 PDT