In this tutorial, I am going to talk about the PCF8574 8-bit GPIO port extender.
In this tutorial, I will be showing you how to get started with the small 0.91 and 0.96 I2C OLED displays using Arduino and NodeMCU.
Basic setup and control of WS2812 led pixels for Hardware Hack Night Santa Monica.
by Elijah Scheele
ESP8266 Arduino Programming Tutorial - Easy to learn, step by step.
The bracelet can help you know where there is an obstacle.
Connect multiple OneWire Maxim DS1820/DS18S20/DS18B20 thermometers to Arduino, and program it to measure the temperatures - Quick and Easy!
by Boian Mitov
Make receiver for Oregon thermo-hygro sensor.
This is my 4th tutorial on how to drive a RELAY (not a relay module) with an Arduino.
Connect Rotary Encoder to Arduino, and program it - quick and easy!
I built the right and left mouse buttons with wall switches.
Working with RFID is so much fun, you can do alot with these tags like controlling relay, turing lights on off, access control, door lock.
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