China Wholesale Voltmeter Pricelist – LEEM-15 Sound Activated Switch Experiment – Labor

Main technical parameters
1. It can complete the control of the sound activated light on the small bulb, and it will be extinguished after a certain delay;
2. Use a safe and isolated low-voltage DC power supply; use a complete machine with a metal chassis for easy management;
3. Using integrated circuit design, good consistency and high accuracy;
4. Discrete design, independent connection, long service life and low loss;
5. Main components: metal film resistor 22k, metal film resistor 2.2M, metal film resistor 33k, metal film resistor 100k, metal film resistor 1M, metal film resistor 3K, metal film resistor 1K, 8 porcelain Dielectric capacitor 10uF, electrolytic capacitor 100uF, switching diode IN4148, light-emitting diode, photoresistor MG45, transistor S9013, integrated block NAND gate CD4011, electret condenser microphone, etc.;
6. Equipped with high-quality 2mm connecting line.