Isolated, Single-Channel RS232 transceiver (Isolated RS232 to UART)
https://www.electronics-lab.com/isolated-single-channel-rs232-transceiver-isolated-rs232-to-uart/
The project presented here provides an isolated interface between the RS-232 cable network and the connected UART systems to protect against voltage spikes and ground loops within the noisy environment and improve system reliability. The project achieves a robust data communication link in harsh industrial environment. ADM3251E chip from Analog Devices is the heart of […]
Butchered USB TTL Serial Adaptor
https://www.electronics-lab.com/butchered-usb-ttl-serial-adaptor/
Aaron Brady writes: We popped open the case, and there were two main ICs, a Prolific 2303 (the USB to Serial IC) and a ADM3251E (the RS232 line level convertor). I tried to desolder this with no success, but Bas stepped in, cut the leads with a craft knife and ran the iron over the […]