Communication/Serial

Based on the MAX3238E with 5 drivers and 3 receivers, this board routes all the 8 serial lines. The module accept 3.3 or 5.0V power supply and is E...

The 'must have' IC for TTL/CMOS projects finally has its own breakout board! This is the RS232 converter IC that is capable of running at 3V and co...

The SparkFun OpenLog is an open source data logger that works over a simple serial connection and supports microSD cards up to 64GB. The OpenLog ca...

This board allows you to interface with your car's OBD-II bus. It provides you a serial interface using the ELM327 command set and supports all maj...

The Logomatic v2 takes everything we learned with multiple logging projects over the years and boils it down to an easy to use device, that is now ...

Multiplexer has a set of interfaces for a variety of multi-function adapter plates. It supports USB, TTL, RS232, RS485 interfaces between the syst...

Most of the MCUs use TTL levels, and the computer serial port generally uses 232 levels. If we want the computer to communicate with the MCU, we ne...