For the challenge, I wanted to send data from my computer's real serial port (RS232 9-pin connector). For that, I created an adaptor circuit because the voltages on a computer serial port are ...

An RS232 interface circuit for Arduinos. . Contribute to reprappro/Arduino-RS232 development by creating an account on GitHub.

Figure 2. The RS232 or DB9 serial cable, no stranger to manufacturers using the Modbus protocol to communicate between PLCs. (Source: cooking hacks) TTL – RS232 Signals. An Arduino is not able to ...

Spread the loveSchematic drawing software for Arduino, Raspberry Pi, and other Single Board Computers (SBCs) is essential to developing electronics projects. When it comes to creating circuits on a ...