요청 내용
“Draw a 12 V car alarm circuit with an arming switch, shock sensor switch, transistor, resistor-capacitor timing network, siren and flyback diode.”
그렇다면Add an LED that shows the alarm is armed.Change the siren to a relay output.
이 도면에 담긴 내용
그 이면의 의사결정을 읽어 보세요.
01
Use of transistor switch to drive siren
02
RC network for timed siren activation
03
Freewheeling diode for protection
Suitable for basic vehicle security systems, can be adapted with relay for higher current sirens.