Tell us about yourself!
Just tested my LED matrix and works fine on the NodeMCU board when power is connected to Vin (5v USB) pin and the data pins are all coming from the ESP8266. No issues, works fine.
5V from the board works fine. I think It even works on 3.3V if II recall... I connect it to 5V and never had issues speaking with it from the ESP8266. Same with Neopixels too...
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I have my YouTube stats running on mine - a NodeMCU (ESP8266) board, the 8x32 matrix screen and a USB cable for power. Lovely stuff!
Quick, easy and cool! You don't need the Arduino Uno for this though - it can all be done with the ESP8266. Get a WeMos D1 Mini or one of the ESP8266 dev boards like the LUA boards and program/connect it all to the ESP8266.
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Isn't the ATTiny10 smaller...?! ;-)
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Great video - neat soldering and a quality project at the end! Top stuff!
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Cool cube, like the custom PCB. Almost sounded like you were claiming for the invention of the LED TV at the start.. love it!
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Great stuff! Another project to make!! :)
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Gorgeous DIY laser! Well worth the effort, and using "everyday" diy items like 2020 profile and printed parts is becoming more and more common these days. Really fancy making this, puts my 2.5W to shame!!
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A great project. Nothing new for me from what I have seen before, but your explanation into the different OLED screens and their drivers, the correct wiring of the bare ESP8266 board and the cool USB/3.3Regulator was really great - I learned a lot! Thanks!!
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Oh now that's cool! Initially I thought the magnets were completing the circuit with some HAL detector, but a mechanical switch being pulled, very clever! Maybe to make a silent switch you could "wire up" the upper cork with a HAL detector switch that would activate a relay/circuit when the lower is detected?Steve
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Your first link to the 12v on Itead's site is 404's. You have a typo in the URL :)Great 'able though!Ste
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Ahh - have you seen the Sparkfun wall version - video at the bottom.They have a keyboard hooked up to type as you go, but liked the end where the Ardunio checks twitter for a hashtag and spells it out... pretty cool stuff! I need to get this sorted and merge in some of the Sparkfun ideas too :)
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Yeah - Blynk would work. You could also have a WiFi interface using an ESP8266 and a basic web form to save a text field.I was thinking more manually though - you press the rotary encoder to access "a menu" to start recording. You then turn it clockwise/counter-clockwise and the bulbs light up one at a time till you get to a letter. Press the encoder to store... move to the next letter... etc etc... and then save somehow. like a long press. The Arduino would then loop through the custom string text... P...A...N...T..S... L...O....L.... or something?!!! :)
Ahh great idea, loved that series too!Like all the extra ideas from people too - motion detection, ESP WiFi controlled, flickering etc. That's what I like about reading the comments - you get more ideas to take the project to the next level. I would also maybe add in an LDR to control the neopixel brightness compared to the ambient lighting. Maybe swap the button for a rotary encoder and you could add in a "writing" mode where a user could loop through the bulbs to enter a custom string and save it to the program to go through?!Cool stuff!Steve
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What a brilliantly simple project, well written up and well designed! This has wet my appetite for producing my own custom circuit boards - yours looks great and AutoDesk Circuits looks simple enough to get started! Need to get some Tiny85's too, another excuse to get some!Thanks for the Instructable and the inspiration to investigate simple circuit design!Steve
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