How to implement MQTT protocol in Rapberry Pi 3, ESP8266 and Particle Photon. Find this and other hardware projects on Hackster.io.
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This project was inspired by IKEA LED candles. I was thinking how would you do one at home, and why would it be better than original, apart for being handmade obviously. A had a fistful of ATtiny13 chips that will do the job together with addressable LEDs. Clearly always better to have few LEDs instead of just one. And clearly it would be nice to power it from any power bank, which is practical in few ways - it kind of looks like candle if you use cylindrical 18650 based ones, also it saves you charging circuit, every power bank has one. Nest step I re-did the same board with ATtiny85 power house and USB-connectivity, so it will work with micronucleos bootloader and will be flashable with no tools necessary (like Digispark boards).
Sample code GPIO as output - https://www.gadgetronicx.com/attiny85-gpio-input/Sample code GPIO as input - https://www.gadgetronicx.com/attiny85-microcontroll...
A barometer is a scientific instrument that is used to measure atmospheric pressure. Pressure tendency can forecast short-term changes in the weather. This...
RPi MacroScope: The Raspberry Pi, combined with an adjustable focus camera, can be used to help us better observe the world between microscopic and the un-aided eye. I primarily use this for photographing electronic assembly (including all the pictures in this Inst…
