please help me to find a circuit for my traker, i need a keychain type receiver with alarm and a triggering transmitter. i think the rc car concept will help but i cant find some ckt to deal with , 6-10m distance is needed to trigger the receiver
it is a sound tracker mates my keychain type receiver will be attach to any valuable things then wen it is missed place i just press a button of my transmitter to triiger out the alarm system of the receiver