Biosignalsplux Digital-Synchronisationskabel bio-sensor flashes when the RS232 port

flashes when the RS232 port is receiving data

but you will have to build it yourselfm

Arduino compatible

Reliable performance in demanding applications: Liquid flow naturally cleans the flat pH measurement surface

Biosignalsplux Digital-Synchronisationskabel bio-sensor flashes when the RS232 portA cable used to synchronize multiple biosignalsplux hubs when recording simultaneously. Features: Ready to use (with plugs on both ends) The digital input and output lines are short circuited to create a common signal during a trigger action in the connected devices Specifications: Cable length: 100 cm 0. 5 cm Compatible with: Biosignalsplux 4 Channel Kit Biosignalsplux 8 Channel Kit