555 simple cave detector circuit
Source: InternetPublisher:公子李 Updated: 2016/09/25
![](http://www.eeworld.com.cn/circuit/upload/538a1bc8a409ff500dc8e0cb6c6d7ecb/80c55cf6-3c63-11ec-8b20-086126841eb8.gif)
![](http://www.eeworld.com.cn/circuit/upload/538a1bc8a409ff500dc8e0cb6c6d7ecb/80c5d228-3c63-11ec-9b3f-086126841eb8.gif)
Latest 555 Circuits Circuits
- Using NE555 to delay the output of high level circuit
- NE555 touch timer switch
- Water level automatic control system circuit based on NE555
- A doorbell circuit with a blinking LED
- 555 rock lantern controller circuit
- 555 speed low limit alarm circuit
- 555 infrared sound and light alarm circuit
- 555 automatic timing controller circuit
- 555 automatic heater circuit for lower limit temperature reporting
- 555 calculator/stopwatch converter circuit
Popular Circuits
- NE555 time base integrated circuit diagram
- 50% duty cycle 555 circuit
- Self-stopping hypnotic device circuit diagram
- Double-key touch switch circuit diagram using 555 time base circuit
- Pulse width modulation circuit diagram based on 555 base time
- Electric bell sound delayer schematic diagram
- Integrated circuit timer 555 internal structure circuit diagram
- Circuit diagram based on 555 base time astable working mode
- 555 long learning time reminder circuit
- 555 Electronic disinfection circuit using ozone tube