Hello ,
Recently I design a system and i use ASK 315 Mhz module with Pt2262 ,i use the circuit that i attached and i use 5V relay instead of 4 tact switchs and control them with MCU,the module voltage is 5v. the problem is: the module is always HOT! and when i send nothing the module draws 110ma @5v and when it transmite something it draws 110ma @5v too!
1-how can i turn off module when it not transmite anything?
2-Does the system warm up affect on module shorten range of transmition in long time(appr. 12 month and 8hours turn on every day)?