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Clap Acoustic Control Switch Suite Circuit Electronic PCB DIY Kits HPP, US $74 – Picture 0
Clap Acoustic Control Switch Suite Circuit Electronic PCB DIY Kits HPP, US $74 – Picture 0

Clap Acoustic Control Switch Suite Circuit Electronic Pcb Diy Kits Hpp

US $74

  • China, China
  • May 24th
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HOME DESCRIPTION SHIPPING PAYMENT Clap Acoustic Control Switch Suite Circuit Electronic PCB DIY Kits HPP Clap Acoustic Control Switch Suite Circuit Electronic PCB DIY Kits Working Principle   - Q1 and Q2 composed of two audio amplifier circuit, the audio signal is accepted by the MK1 C1 is coupled to the base of Q1 pole, amplified and fed directly from the collector to the base of Q2 to a negative square wave at the collector of Q2, with to trigger the bistable circuit.   - R1, C1 circuit frequency response is limited to about 3kHz to high sensitivity range.    - The power is turned on, the state of the bistable circuit Q4 off, Q3 saturated, D3 does not shine.      - When MK1 received control signal, and a negative square wave output after two enlarged, negative spikes through D1 add to the base of Q3, the circuit rapidly flip, D3 is lit after differential processing.    - When MK1 again connected to the control signal, the circuit and flipped, D3 is off.   - Circuit board reserved for the terminal J1 access outside the control equipment and other devices through the J1 connector relay voice. (Then relays required at both ends of the relay coil anti and a diode) Specifications   - Suite Name: Clap switch kit   - Kit Model: PSK-1   - Operating Voltage: 5V   - PCB Size: 28 x 49mm Pakage Includes   - 1x Clap Acoustic Control Switch Suite Circuit Electronic PCB DIY Kits SHIPPING PAYMENT RETURNS Your purchase will be shipped by airmail via China Post within 2 business days after your payment is cleared. International shipping takes time and your patience is highly appreciated. Please contact us if you have any question and we will reply to you within 1 business day. We will NOT be responsible for any delay during delivery including customs postage checking, strike, force majeure, etc. You should expect to pay duties & taxes, if there is any, charged by the government in your respective country.  We accept PayPal only. Refund or replacement request is available within 1 week after parcel is received. Please return the item as the same condition as received. Your feedback and DSRs are extremely important to us, so please kindly contact us if there is any problem, and let us know how we can earn your 5-star rating before submitting your scores!

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