- #1
Harmony
- 203
- 0
How can I use radio wave to turn on/off a siren? I think it is possible for me to design a radio signal through this schematic:
http://www.aaroncake.net/circuits/fmtrans.htm
The problem is, how do I design a receiver that can switch on a siren by receiving the radio signal?
http://www.aaroncake.net/circuits/fmtrans.htm
The problem is, how do I design a receiver that can switch on a siren by receiving the radio signal?