[RC232] We’d like one of the LED outputs to blink on radio transmission, and the other LED output to blink on radio receive. It appears they are currently unused? LED control is possible to include in a costumer specific variant. Last Update: August 8, 2017 December 13, 2016 2287 RC232 Q&A Related Knowledge Base Posts -[RC232] Which RC232 module is recommend for India?[RC232] What should I check to confirmt that my module is correct connected[RC232] 2. If the module is powered down when not required for RX/TX, what is the power up time before it can be used to transmit? – is there failsafe way which indicates WHEN the module is ready to transmit, or determine this by checking something?