Instructables: question - arduino http://www.instructables.com Thu, 27 Jul 2017 10:07:07 PDT BLOX v1.01 help with code for soldering station project? http://www.instructables.com/answers/help-with-code-for-soldering-station-project/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif spikepickstock Hey all I've been doing following this project https://www.instructables.com/id/DIY-Arduino-Soldering-Station/#C6PH4VQJ4OFNPGG with changes in the fact i'm using a UNO rather than a NANO (got the nano and forgot about the loader) and using a 30k pot instead of the 50k it calls for as a test bed   M...
By: spikepickstock

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Sat, 22 Jul 2017 00:47:50 PDT
Led stroboscope help http://www.instructables.com/answers/Led-stroboscope-help/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif hamada_bio i success to make a led stroboscope with an arduino uno and a 50watt high power led. but the problem was with the lumen of the led. the on time duration of the led is 500 microsecond and the led intensity is poor. i don't know how to make it and maintain the intensity of the led. note that i used a ...
By: hamada_bio

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Wed, 19 Jul 2017 06:33:35 PDT
Solar panel diode and battery ? http://www.instructables.com/answers/Solar-panel-diode-and-battery-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif muratm7 Hello, I have 5V solar panel which will charge my 18650 3400mah Panasonic 3.7V battery. I will use Voltage step up to 5V and I don't know which diode should I use between panel battery? I have all these diodes. IN4148 Diodes IN4007 Diodes  IN5819 Diodes IN5399 Diodes  FR107 Diodes  FR207 Diodes IN5...
By: muratm7

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Sat, 8 Jul 2017 06:58:45 PDT
4-DCMotor Driver? http://www.instructables.com/answers/4-DCMotor-Driver/ https://cdn.instructables.com/F92/XEEZ/J2GEVIEV/F92XEEZJ2GEVIEV.SQUARE2.jpg https://cdn.instructables.com/F92/XEEZ/J2GEVIEV/F92XEEZJ2GEVIEV.SQUARE.jpg https://cdn.instructables.com/F92/XEEZ/J2GEVIEV/F92XEEZJ2GEVIEV.SMALL.jpg alisoud please help me to connect 4-DC-Motor-Driver-Module to arduino thank you
By: alisoud

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Mon, 3 Jul 2017 14:52:57 PDT
Help using a Neptune FS-100 flow sensor with an Arduino/pi? http://www.instructables.com/answers/Help-using-a-Neptune-FS-100-flow-sensor-with-an-Ar/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif saltyrover Hey folks, I'm trying to detect a flow in a 1" pipe with a flow sensor. The best one i could find was made by this company called Neptune (FS-100) It looks like a basic hall effects flow meter but i am trying to get it to talk to an arduino and I seem to be failing. It has a TRRS 3.5mm plug on it...
By: saltyrover

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Fri, 9 Jun 2017 18:46:41 PDT
What could I do with 100 ne555p IC's? http://www.instructables.com/answers/What-could-I-do-with-100-ne555p-ICs/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif MakiY2 I ended up with 100 NE555P IC'S and don't know what to do with them besides try to sell them. I'm thinking about making a PWM power supply just to tinker with, so there's 2 down. Any ideas for something practical or neat? Here is the date sheet:NE555P http://www.componentschip.com/details/Texas-Ins...
By: MakiY2

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Fri, 9 Jun 2017 02:04:15 PDT
Newbe + Arduino Mega via codevision + AD9850 = Guidance needed? http://www.instructables.com/answers/Newbe-Arduino-Mega-via-codevision-AD9850-Guidance-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif DELETED_MakiY2 Hello,Im very new to 'C' and codevision and have set myself a task to get a AD9850 module working. But there are two things in my way and they are understanding datasheets and writing C code. So first question would anyone help guide me through writing the necessary drivers? or is anyone aware of a ...
By: DELETED_MakiY2

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Fri, 9 Jun 2017 01:59:25 PDT
Do we know the battery life of the CR2032? http://www.instructables.com/answers/Do-we-know-the-battery-life-of-the-CR2032/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif MakiY2 According to this CR2032 data sheet at 3 volts left continuously on, the battery would last 1200 hours. (If I'm reading this right) Should we worry about having to change out the battery every couple of months?
By: MakiY2

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Fri, 9 Jun 2017 01:57:01 PDT
Different types of motors on the same arduino? http://www.instructables.com/answers/Different-types-of-motors-on-the-same-arduino/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Orange robot So I am still learning Arduino but I've already built quite a few robots. I'm stepping things up a notch by building a robot with several motors. I am using 9g servos, stepper motors, standard servos, and regular dc motors with l293d ic. I am also using 2 ultrasonic distance sensors. There will be 1...
By: Orange robot

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Wed, 7 Jun 2017 06:47:56 PDT
what is the long wire can i use with arduino uno and Relay http://www.instructables.com/answers/what-is-the-long-wire-can-i-use-with-arduino-uno-a/ https://cdn.instructables.com/FHZ/URL3/J3EPM5K2/FHZURL3J3EPM5K2.SQUARE2.jpg https://cdn.instructables.com/FHZ/URL3/J3EPM5K2/FHZURL3J3EPM5K2.SQUARE.jpg https://cdn.instructables.com/FHZ/URL3/J3EPM5K2/FHZURL3J3EPM5K2.SMALL.jpg Max Bayne hii every body i will use arduino uno as Microcontroller and i will use this controller to control my devices like (lights,tv,redio) etc i will put my arduino uno on my living room and will put many relays on other rooms of my house  my relay is 5 v DC input and control (250V/10A)  and i will ma...
By: Max Bayne

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Fri, 2 Jun 2017 19:27:27 PDT
Where can I find a digital potentiometer? http://www.instructables.com/answers/Where-can-I-find-a-digital-potentiometer/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif bravoechonovember1 I need a digital potentiometer for an upcoming arduino project. does anyone know where I could salvage one?
By: bravoechonovember1

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Tue, 30 May 2017 16:20:01 PDT
How To: Create an Android App With Android Studio to Control LED? http://www.instructables.com/answers/How-To-Create-an-Android-App-With-Android-Studio-t/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif dmenefee In this tutorial here: https://www.instructables.com/id/Android-Bluetooth-Control-LED-Part-2/#step1 it says to "Import the followings packages:" in the DeviceList class. My question is, HOW DO YOU IMPORT these packages? Does it mean to copy and paste somewhere the two code snippets: #1 import androi...
By: dmenefee

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Mon, 29 May 2017 17:22:50 PDT
WS2812b strip stopped working,what could be the possible cause? http://www.instructables.com/answers/WS2812b-strip-stopped-workingwhat-could-be-the-pos/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Sudoer-_-me Hi, I'm using a 1m ws2812b (30 led/m) strip for my ambilight setup with adrilight, using an arduino mega. I cut the 1m strip into 5 smaller strips  ['data direction as per this description':  (5+5 leds in bottom) - 5 leds at the left side - 10 leds at the top - 5 leds at the right side) ] and solder...
By: Sudoer-_-me

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Sun, 14 May 2017 00:11:46 PDT
What Code Should I Use to Create a Single Pulse Wave on my Arduino Uno? http://www.instructables.com/answers/What-Code-Should-I-Use-to-Create-a-Single-Pulse-Wa/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif rah187 Hello,  I am in need of some code for my Arduino Uno. I searched around online for code that can perform pulse width modulation, but nothing I have found completely suits my needs. What kind of code should I use to generate a short blip of voltage which will quickly subside? More details, including ...
By: rah187

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Sat, 13 May 2017 12:25:29 PDT
Arduino Clock: Getting The Time from Thin Air? http://www.instructables.com/answers/Arduino-Clock-Getting-The-Time-from-Thin-Air/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif rdlockrey hello, I have made a few arduino based clocks now & one thing I been considering making an generic version of an atomic clock that can program itself with the local time using local GSM Network. The idea came when I noticed  that an old tmobile phone I had from years ago synced time & date autom...
By: rdlockrey

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Sun, 7 May 2017 16:37:03 PDT
Asking a servo to sweep on an obstacle avoidance car? http://www.instructables.com/answers/Asking-a-servo-to-sweep-on-an-obstacle-avoidance-c/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif KevinM560 I am just a few weeks into learning how these things work, and as such, have primarily been looking at coding from examples and getting them to fit with what I am doing.  Here's the setup.  We (my students and I) have built an elegoo 4 wheeled arduino platform car.  Primarily, we are using it to aut...
By: KevinM560

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Mon, 1 May 2017 13:56:00 PDT
Please help me that how to control a robot coding http://www.instructables.com/answers/Please-help-me-that-how-to-control-a-robot-coding/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif David_Lin please help me ~ ! please help me about my arduno robot plat form that (a nano) it's can't reset itself by interrupt or reset itself per 200 ms automatically. in order to RUN(move) and LISTEN(receive command) at the same time!
By: David_Lin

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Fri, 21 Apr 2017 23:31:38 PDT
Need a little help with Arduino code http://www.instructables.com/answers/Need-a-little-help-with-Arduino-code/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Orange robot Hello, I'm in need of a little help with my Arduino code. I'm still an amateur with Arduino so I'm still learning. I know there is some function that makes the loop only happen for a certain amount of times,  but I forgot what it was. If someone knows what I'm talking about, thanks a lot for your as...
By: Orange robot

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Thu, 20 Apr 2017 17:59:12 PDT
Arduino Game Coding - FSR (Pressure Sensor) Based Shooting Game http://www.instructables.com/answers/Arduino-Game-Coding-FSR-Pressure-Sensor-Based-Shoo/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif rixter1818 I'm making a shooting style arcade game in which you shoot a projectile at four different force sensitive resistors trying to rack up as many points as possible before the timer runs out. When a ball hits one of the fsr I want to have the arduino keep score and show it on a 16x2 lcd. Each one of th...
By: rixter1818

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Sun, 16 Apr 2017 21:54:33 PDT
1 Arduino + 3 or 4 LM35s? http://www.instructables.com/answers/1-Arduino-3-or-4-LM35s/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif FargingIcehole I am a total beginner, having logged about one hour here (the last hour). Does this sound OK for a first Arduino project? I want to sample and log the temperature outside at the surface and at depth for a total of 4 readings to a depth of around 50cm (20"). The reason is to consider if I should p...
By: FargingIcehole

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Tue, 11 Apr 2017 12:56:29 PDT
Arduino stuck in dfu mode http://www.instructables.com/answers/Arduino-stuck-in-dfu-mode/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jbaker22 Hello, I recently updated the firmware on my areduino uno. It is this model, "               Product ID: 0x2ff7               Vendor ID: 0x03eb  (Atmel Corporation)               Version: 0.00               Speed: Up to 12 Mb/sec               Location ID: 0xfd140000 / 4               Current Avail...
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Fri, 7 Apr 2017 11:07:49 PDT
what is the value that obtained from serial monitor in arduino?? ? http://www.instructables.com/answers/what-is-the-value-that-obtained-from-serial-monito/ https://cdn.instructables.com/FE5/4837/J140DELK/FE54837J140DELK.SQUARE2.jpg https://cdn.instructables.com/FE5/4837/J140DELK/FE54837J140DELK.SQUARE.jpg https://cdn.instructables.com/FE5/4837/J140DELK/FE54837J140DELK.SMALL.jpg OngE2 I working with my DIY sensor ( colour sensor) and i have no idea what the reading i obtained from the serial monitor in arduino software ? Anyone know? and how to change the value to voltage value? as i need to write down the voltage reading for my result part.
By: OngE2

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Tue, 4 Apr 2017 20:10:58 PDT
How to make Visual Basic shown the detected colour from arduino (colour sensor)? http://www.instructables.com/answers/How-to-make-Visual-Basic-shown-the-detected-colour/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif OngE2 I want to display the detected colour on Visual Basic software... the object color is sensed using the color sensor that diy by arduino... so how i interface the visual basic with arduino ?? can someone help me with the coding?? the example is as below picture...
By: OngE2

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Tue, 4 Apr 2017 08:16:47 PDT
small serial high resolution display? http://www.instructables.com/answers/small-serial-high-resolution-display/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif CalebO2 Is there a 720p or 1080p display that is about  .75" -1.5" diagonally, this would be used for an Arduino project so if it has pins rather than a type of ribbon cable connector that would be helpful.
By: CalebO2

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Sun, 2 Apr 2017 21:19:40 PDT
how can i power three servo and an arduino UNO using a single 12 volt battery? http://www.instructables.com/answers/how-can-i-power-three-servo-and-an-arduino-UNO-usi/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif JeevsJ I have a 12 volt rechargeable battery, and I am in need to provide power supply to my project, that contains 3 servo motors ( 2-MG995 and 1- DXW90) and also my arduino UNO . I am getting issues like when i use all these through arduino the arduino stops working. so how can i solve this issue. I have...
By: JeevsJ

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Sun, 2 Apr 2017 07:11:25 PDT
While compiling I get this error message from Arduino, does anyone know how to fix it? http://www.instructables.com/answers/While-compiling-I-get-this-error-message-from-Ardu/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif mo.nicholas Arduino: 1.8.2 (Windows 10), Board: "NodeMCU 0.9 (ESP-12 Module), 80 MHz, Serial, 115200, 4M (3M SPIFFS)" C:\Users\super\AppData\Local\Temp\Temp1_Wifi-Jammer-master (1).zip\Wifi-Jammer-master\WIFI Jammer\wifi jammer\esp8266_deauther-master\esp8266_deauther\esp8266_deauther.ino:11:18: fatal error: d...
By: mo.nicholas

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Mon, 27 Mar 2017 15:58:14 PDT
Arduino Current Sourcing for Common Anode RGB http://www.instructables.com/answers/Arduino-Current-Sourcing-for-Common-Anode-RGB/ https://cdn.instructables.com/F7W/G4GO/J0MOM90U/F7WG4GOJ0MOM90U.SQUARE2.jpg https://cdn.instructables.com/F7W/G4GO/J0MOM90U/F7WG4GOJ0MOM90U.SQUARE.jpg https://cdn.instructables.com/F7W/G4GO/J0MOM90U/F7WG4GOJ0MOM90U.SMALL.jpg rdlockrey Question: Is it safe for the arduino to sink more current then the arduino is sourcing? (see diagram below) My project requires 12 of large 10mm RGB leds,  broken down this is 36 leds in total, which exceeds maximum draw,  the design calls for the LED's to share a 5v+ from a seperate 5v regulator,...
By: rdlockrey

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Thu, 23 Mar 2017 15:28:37 PDT
Hi I want to programm an arduino help? http://www.instructables.com/answers/Hi-I-want-to-programm-an-arduino-help/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif sharkmagic Hi I want to program the Arduino in order that when the motion trigger activates the dc motor stops is there a way to do it please help I couldn't find any code please help.
By: sharkmagic

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Wed, 22 Mar 2017 12:10:46 PDT
I need help with my arduino code, the error code is "stray #" . located at #define DO_NEXT 4 http://www.instructables.com/answers/I-need-help-with-my-arduino-code-the-error-code-is/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif JacLir00179 1.//iOS switch control example 2.//Simple version 3.#define MY_DEBUG 1 4.#include "BluefruitRoutines.h" 5. 6.//Pin numbers for switches 7.#define PREVIOUS_SWITCH A0 8.#define SELECT_SWITCH A1 9.#define NEXT_SWITCH A2 10. 11.//Actions 12.#define DO_PREVIOUS 1 13.#define DO_SELECT   2 1...
By: JacLir00179

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Tue, 21 Mar 2017 10:59:56 PDT
Is it possible to record incoming calls with arduino uno and GSM module? http://www.instructables.com/answers/Is-it-possible-to-record-incoming-calls-with-ardui/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif jampaiah2470 I am doing a project to record incoming calls which are going to arduino(GSM module) as a text  file or audio file. Am new to embedded, Please anyone can explain how can i record calls automatically with arduino...!! thanks in advance.....!!
By: jampaiah2470

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Mon, 20 Mar 2017 23:05:57 PDT
Help regard ESP 8266 or HC 05? http://www.instructables.com/answers/Help-regard-ESP-8266-or-HC-05/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif shahryar.adil.3 Hi guys! :3 So I'm in need of some help regarding this project https://www.instructables.com/id/Make-A-Simple-Bidepal-Humanoid-Robot/ According to the project, you need to reprogram the robot for every function but it would be very tedious and time consuming to program it again and again. So, I th...
By: shahryar.adil.3

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Fri, 17 Mar 2017 22:39:34 PDT
Can someone help with my anti auto theft arduino device? I am trying to use a reed switch and a relay. http://www.instructables.com/answers/Can-someone-help-with-my-anti-auto-theft-arduino-d/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif LuccaL1      I am trying to build a device for my engineering project which is a anti theft device for cargo trucks in third world countries. Since cargo stealing is very common truckers already use satellite tracking. The device works in the following way, in an attempt to steal the truck a thieve tries to...
By: LuccaL1

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Mon, 13 Mar 2017 22:59:08 PDT
arduino program to sweep servo when hall sensor high http://www.instructables.com/answers/arduino-program-to-sweep-servo-when-hall-sensor-hi/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif vipulg i want the program to control the servo such that when the hall sensor senses the magnet the servo should sweep and when hall sensor again senses the servo should come to its original place so guys please tell me how to do it and also tell me connections
By: vipulg

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Sat, 11 Mar 2017 09:16:29 PST
Is Arduino can do FM modulation? http://www.instructables.com/answers/Is-Arduino-can-do-FM-modulation-1/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif Rajkumar2506 Is Arduino can do FM modulation without any additional peripherals.Simply an Higher AC frequency signal with antenna can propagate in air. My question is,can we do FM modulation in Arduino only by coding it,without using any additional peripherals.Generating the carrier frequency in Arduino by codin...
By: Rajkumar2506

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Fri, 10 Mar 2017 05:38:26 PST
Arduino to arduino wireless communication while one is running a stepper motor? http://www.instructables.com/answers/Arduino-to-arduino-wireless-communication-while-on/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif AndrewS522
By: AndrewS522

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Thu, 9 Mar 2017 03:55:28 PST
Can I power an Arduino to control a relay to control a load with 1 source like this? http://www.instructables.com/answers/Can-I-power-an-Arduino-to-control-a-relay-to-contr/ https://cdn.instructables.com/FD5/L00B/IZT6EECG/FD5L00BIZT6EECG.SQUARE2.jpg https://cdn.instructables.com/FD5/L00B/IZT6EECG/FD5L00BIZT6EECG.SQUARE.jpg https://cdn.instructables.com/FD5/L00B/IZT6EECG/FD5L00BIZT6EECG.SMALL.jpg Shizen I'm no sure if I can do this or not, I base the schematic of this article http://www.electroschematics.com/8975/arduino-control-relay/ Because I want to use only 1 source to control the whole thing, can I power everything like this? My source can provide 2A, my load uses 100mA If it's possible, is...
By: Shizen

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Thu, 2 Mar 2017 22:20:11 PST
Changes to getting users Comments with project download? http://www.instructables.com/answers/Changes-to-getting-users-Comments-with-project-dow/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif PaulH29 You did have a small box popup when you downloaded a instructable that asked if you wanted it to be a adobe file with another check box to include other peoples comments about the project.  I would love the .pdf to include the comments from other members as there great questions asked and solutions ...
By: PaulH29

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Thu, 2 Mar 2017 00:24:48 PST
Test a PIC16F819-I/P to see if it works? http://www.instructables.com/answers/Test-a-PIC16F819-IP-to-see-if-it-works/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif ThothLoki Hey everybody. I am normally an Arduino user but I have a nice pile of PIC16F819-I/P chips and would like to test them to see if they work. I don't want to get the ChipKit programmer quite yet and would like to upload a "blink" program to the PICs from an Arduino. Does anybody have a good 'ible tha...
By: ThothLoki

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Wed, 22 Feb 2017 08:31:16 PST
How do i key in a 4x4 matrix keypad input into arduino and control the brushless motor? http://www.instructables.com/answers/How-do-i-key-in-a-4x4-matrix-keypad-input-into-ard/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif AndrahyzertekosterA I need to use a 4x4 matrix keypad to key in the value ( or angle 0-180) using a servo library to spin a brushless motor.  i was thinking of typing each character and then put them in an array. After that, change it to interger using atoi. how do i do that?? taking the pressed numbers from the keypad...
By: AndrahyzertekosterA

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Tue, 21 Feb 2017 22:46:21 PST
Problem using ESP8266-01 wifi module. http://www.instructables.com/answers/Problem-using-ESP8266-01-wifi-module/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif AliR223 I want to make a home automation project using ESP8266-01, but the problem is that my module is not working correctly as I see the videos or articles, It's power light glowing very dim and also gives error while uploading the code(using Arduino IDE). Is that module is burned out or there is a proble...
By: AliR223

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Tue, 21 Feb 2017 06:59:38 PST
change the speed of the Servos ? http://www.instructables.com/answers/change-the-speed-of-the-Servos-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif mogy336 I new in arduino and i'm building a robot arm how do i change the speed of the Servos ?
By: mogy336

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Sun, 19 Feb 2017 04:37:38 PST
Making a Computer program to output serial data to an arduino? http://www.instructables.com/answers/Making-a-Computer-program-to-output-serial-data-to/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif ConnorFD       I am making an underwater ROV, like a remote controlled submarine, and I am looking for a way to control it.  All of the commands are set up to run off of serial commands going to the on board arduino.  This is what I would like to know: Is there an easy way to send custom serial data over a c...
By: ConnorFD

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Wed, 15 Feb 2017 16:05:19 PST
How to send information between 2 HC-05? http://www.instructables.com/answers/How-to-send-information-between-2-HC-05/ https://cdn.instructables.com/FF4/VIZ2/IYYTBYEF/FF4VIZ2IYYTBYEF.SQUARE2.jpg https://cdn.instructables.com/FF4/VIZ2/IYYTBYEF/FF4VIZ2IYYTBYEF.SQUARE.jpg https://cdn.instructables.com/FF4/VIZ2/IYYTBYEF/FF4VIZ2IYYTBYEF.SMALL.jpg Shizen I need to send a number from 1 Arduino to another using 2 HC-05. I have followed the AT setup and connection in this video https://www.youtube.com/watch?v=hyME1osgr7s. I have successfully connected 2 HC-05 module but I can't get the master to send a relatively large number to the slave. I uploaded m...
By: Shizen

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Sun, 12 Feb 2017 09:33:11 PST
Divoom MicroPixels RGB+W Matrix Board ... HELP!? http://www.instructables.com/answers/Divoom-MicroPixels-RGBW-Matrix-Board-HELP/ https://cdn.instructables.com/FRO/0PU9/IYYTEQQO/FRO0PU9IYYTEQQO.SQUARE2.jpg https://cdn.instructables.com/FRO/0PU9/IYYTEQQO/FRO0PU9IYYTEQQO.SQUARE.jpg https://cdn.instructables.com/FRO/0PU9/IYYTEQQO/FRO0PU9IYYTEQQO.SMALL.jpg rdlockrey Divoom MicroPixels RGB+W Matrix Board ... HELP! A while ago I ordered a 8x8 WS2812B RGB matrix, and to make a long story short the matrix I was sent was not what I ordered, but Is very nice, I kinda like it! It appears to be high quality, the soldering is flawless & the chip & led placement is pe...
By: rdlockrey

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Sun, 12 Feb 2017 05:41:36 PST
A advanced Arduino calculator? http://www.instructables.com/answers/A-advanced-Arduino-calculator/ https://cdn.instructables.com/FBM/N127/IYYT1KBX/FBMN127IYYT1KBX.SQUARE2.jpg https://cdn.instructables.com/FBM/N127/IYYT1KBX/FBMN127IYYT1KBX.SQUARE.jpg https://cdn.instructables.com/FBM/N127/IYYT1KBX/FBMN127IYYT1KBX.SMALL.jpg IlirD2 So I thought about a new project: make an "advanced" calculator since online there are plenty of tutorials of simple ones. I have done already the circuit and I have only some problems with the code since this is only my third project on Arduino and I don't  know programming in C. So basically: when...
By: IlirD2

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Fri, 10 Feb 2017 10:57:05 PST
Help... PCF8574T (Expanding "Nano's" Digital Outputs) http://www.instructables.com/answers/Help-PCF8574T-Expanding-Nanos-Digital-Outputs/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif rdlockrey - When I saw my RGB Chromatograph clock my teacher built from a kit  I was so impressed with it I  jumped the gun & ordered the parts so I could make one with an arduino version, I never thought much about it, thats so simple I could do in a few hours no problem except I overlooked one simple thing....
By: rdlockrey

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Tue, 7 Feb 2017 22:32:01 PST
while i was giving a supply of 1.3 A and 12v ,short circuit happened.so what is the maximum capacity of IC L239D ?? http://www.instructables.com/answers/while-i-was-giving-a-supply-of-13-A-and-12v-short-/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif manjusulagna154
By: manjusulagna154

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Wed, 1 Feb 2017 11:22:29 PST
Kaysan Stepper Motor ( Motor Shield or Easy Driver ) ? How to stop motor after rotation? http://www.instructables.com/answers/Kaysan-Stepper-Motor-Motor-Shield-or-Easy-Driver-H/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif james112343 Hello, I am Mechanical Engineering student working on my Intro to engineering class project. We are a group of two students ME and EE but unfortunately my EE partner dropped out of class and I have to finish the project myself. The project is about rotating some sort of pipes. I have not figured out...
By: james112343

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Tue, 31 Jan 2017 15:01:22 PST
Coin Acceptor Pulse to Android App via Bluetooth Module? http://www.instructables.com/answers/Coin-Accpetor-Pulse-to-Android-App-via-Bluetooth-M/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif DJGETZ Good Day, I'm new in Android and Arduino Programming. Does anyone here have an Idea how to send coinslot pulse to android app via bluetooth. The Coinslot is connected to an Arduino with Bluetooth module. and will send pulses to android app if coin is accepted. any help will be greatly appreciate...
By: DJGETZ

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Mon, 30 Jan 2017 23:15:43 PST
Arduino DS1302 & creating interupt for updating display http://www.instructables.com/answers/Arduino-DS1302-creating-interupt-for-updating-disp/ http://www.instructables.com/static/defaultIMG/default.SQUARE2.png http://www.instructables.com/static/defaultIMG/default.SQUARE.png http://www.instructables.com/static/defaultIMG/default.SMALL.gif rdlockrey I am building an clock with an arduino UNO & DS1302  RTC & some neopixels, got it working mostly but I cannot seem to implment a interupt that will update the time only when it has changed. I have tried a few methods but with no luck, but none of which address the flow, its impossible to keep chec...
By: rdlockrey

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Sat, 28 Jan 2017 01:25:13 PST