In this tutorial, I am going to talk about the PCF8574 8-bit GPIO port extender.
The software library to calculate moon age, sunrise and sunset time.
Tutorial of Shift Register 74HC595, drivers like ULN2803, UDN2981, transistor BC327, making your designs more robust and reliable!
Measure rotation speed (RPM) with Optocoupler and Encoder disk and Arduino - Quick and Easy!
by Boian Mitov
Build a treasure chest or use an existing storage box, attach a push-button quadrature rotary encoder (endless spinning dial) and lets go!
In this project, I am going to make a LAN cable tester with just a few basic electronics components. It cost me just a bit over $3.
I built the right and left mouse buttons with wall switches.
Easily connect Arduino boards at a great distance over RS485 with Visuino.
ESP8266 Arduino Programming Tutorial - Easy to learn, step by step.
Using the built-in Arduino EEPROM to save and restore values - Quick and Easy.
This is my 4th tutorial on how to drive a RELAY (not a relay module) with an Arduino.
Embedis is a library for creating simple embedded key-value servers using non-volatile storage like NVSRAM, FRAM, FLASH, or EEPROM.
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