Control 256 relays! Seeing is believing!
The software library to calculate moon age, sunrise and sunset time.
Writing only Arduino code, it is easy to set up control over experiments and display results on the VirtualPanel Windows application.
Measure rotation speed (RPM) with Optocoupler and Encoder disk and Arduino - Quick and Easy!
by Boian Mitov
FreeRTOS, simple, easy, robust, and optimised for Arduino IDE. Using FreeRTOS Semaphores to share and protect physical resources.
by Phillip Stevens
Use FreeRTOS (simple, easy, robust, & optimised for the Arduino IDE) to reduce the power required for battery or low power applications.
How to make projects more robust and reliable using drivers ULN2803, UDN2981 and PNP transistors.
This is my 4th tutorial on how to drive a RELAY (not a relay module) with an Arduino.
Easily connect Arduino boards at a great distance over RS485 with Visuino.
Standalone PC software to use your Arduino as an oscilloscope, supports up to eight channels, at rates up to 100 kHz.
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.
Using the built-in Arduino EEPROM to save and restore values - Quick and Easy.
In this tutorial, I am going to talk about the PCF8574 8-bit GPIO port extender.
Build a treasure chest or use an existing storage box, attach a push-button quadrature rotary encoder (endless spinning dial) and lets go!
ESP8266 Arduino Programming Tutorial - Easy to learn, step by step.
Use the latest ATtiny processors in the Arduino Environment. These have the memory capacity of ATmega chips in smaller and cheaper packages.
by John Bradnam
Embedis is a library for creating simple embedded key-value servers using non-volatile storage like NVSRAM, FRAM, FLASH, or EEPROM.
I was looking for ways to teach students the basics of PLC and found the OpenPLC project. Opensource, free and uses the IEC 61131 standard.
This circuit allows for one thermistor input and will output up to four similar values using digital pots.
by Kevin Strain
It's an elevator with automatic doors. The code has two FSM, one for the motor that makes it go up and down and one for the automatic door.
Drop-in replacement for Arduino's serial monitor with variable watches.
by Mladen Ilic
I built the right and left mouse buttons with wall switches.
Generates a completely random number utilizing an unused pin and the in-built random number generator.
Program an AVR-IoT WG board externally instead of the onboard debugger. I had to workaround as I bricked my nEDBG debugger on my AVR-IoT WG.
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