Docklight
Monitors, tests and adjusts serial device connections
To maximise their performance, test, examine, and simulate port activity on connections between serial devices. The utility works with Bluetooth and Arduino interfaces and is compatible with RS232, RS485/422, and other standards. Data in binary, decimal, HEX, and ASCII formats are available. Docklight 1.9 free download Docklight scripting 1.9.21
