In a recent post we interfaced a small DMX RGB LED Par Light with an Arduino Uno through a MAX485 module. In this post we will learn how to work with a compact USB to RS-485 Converter Module. This ...

Wanting to control a split flap display that was not near a computer [Tom] looked to a common solution for communicating over distances not practical for I2C or SPI. He developed his own hardware and ...

Nuvoton Technology has announced an Arduino-like development board for its own Arm Cortex-M4 based M467 “Ethernet – crypto microcontroller series”, it calls them. The board, ‘NuMaker-UNO-M4’ has the ...

I recently received a request from a social media friend to clear some confusion about a RS-422 communication project. I quickly brushed up my knowledge on the subject and resumed some basic ...

Arduino has created a Renesas RA4M1 microcontroller board in its Nano form-factor. Called Nano R4, it follows the Uno R4, the first Arduino to use the RA4M1. “Whether you’re working on a connected ...

The module can be used without a gateway to provide information. With integrated digital input and RS-485 in the same module, it provides a flexible combination of I/O to acquire digital signal and ...