alarm

• Touch-activated Alarm circuits

  

  Touch-activated Alarm circuits，电路图,消费类电子电路图,Touch-activated Alarm circuits Touch，Touch-acTIvated Alarm,Attach trigger wire to the latch nut/bolt Isolate this Latch from any other metal parts...

  2023-09-18 22:28:00电路图电路图 消费类 activated

• 门铃电路设计 Gate alarm circuit

  

  门铃电路设计 Gate alarm circuit，电路图,消费类电子电路图,门铃电路设计 Gate alarm circuit 门铃，门铃电路设计门铃电路Figure 1 represents a cheap and simple Gate Alarm, that is intended to run off a small universal AC-DC power supply. IC1a is a fast oscillator, and IC1b a s...

  2023-09-18 22:14:00电路图电路图 电路设计 消费类