[Craig] cracked open a multimeter to unlock RS232 serial communications that can be used for data logging. There’s a couple of things that make this possible. First of all, the multimeter’s ...

These specifications are called the "Standard". The most famous such serial communication standard is the RS-232. In IT technology, Communication can be serial or parallel. Serial communication is ...

These specifications are called the "Standard". The most famous such serial communication standard is the RS-232. In IT technology, Communication can be serial or parallel. Serial communication is ...

My LG TV has an RS232 Service Port that can be used to control the TV (including Power On) via the serial protocol. I initially used a Raspberry Pi with a USB to Serial adapter and it worked great.

Even though he was dealing with RS-232 serial, nothing prevents us from using this scheme for logic level signaling. For example, consider the following 1×10 header pinout, where the original 8 ...