Clap Acoustic Control Switch Suite Electronic Circuit PCB DIY Kits, US $3.80 – Picture 0

Clap Acoustic Control Switch Suite Electronic Circuit PCB DIY Kits, US $3.80 – Picture 1

Clap Acoustic Control Switch Suite Electronic Circuit PCB DIY Kits, US $3.80 – Picture 2

Clap Acoustic Control Switch Suite Electronic Circuit PCB DIY Kits, US $3.80 – Picture 3

Clap Acoustic Control Switch Suite Electronic Circuit Pcb Diy Kits

US $3.80

Hong Kong, Hong Kong
Jan 29th

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Welcome to my ebay store! You will find your favorite products. Pass by do not miss.thank you! Product Detail Description: 100% Brand New and High Quality Specification: 1. Suite Name: Clap switch kit. 2. Operating Voltage: 5V. 3. PCB Size: 28 * 49mm. 4. 2MM thick FR-4 military grade A Plate 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) Package Included: 1x Clap Acoustic Control Switch Suite Circuit Electronic PCB DIY Kits. Feedback > We maintain hightest buyer ratings > Positive Feedback will be much appreciated from you. > Any dissatisfaction, please contact us immediately! > Please do not leave neutral or negative feedback before we help you out. Payment > We accept PayPal only. > All major credit cards are accepted through secure payment processor PayPal. > Payment must be received within 7 days of auction closing. Shipping > We Ship to Worldwide, except Hong Kong, Italy, Nigeria..... > Items will be shipped within one business day on payment received. > Items are shipped from China using Airmail, delivery time depends on destination and other factors,reach most of the countries within 10 to 35 business days. Country Shipping Way Shipping Time Tracking Number United States USPS(ePacket) 7-12 Yes Russian China Post 15-35 Yes Other Country HK /Swiss Post Air Mail 15-45 No Brazil / Africa HK /Swiss Post Air Mail 25-55 No Returns > Defect: We will fully refund or send you a new replacement,please contact and return within 14 days. > Dissatisfaction: Please contact within 3 days, we will fully refund, after got your returned goods. > Missing parts/Q'ty: Please contact us immediately,for a new package arranged,or a partial refund issued. Contact us > If have any question, Please contact us by ebay message before leaving neutral, negative feedback or open any dispute, we will reply within 24hours, ensure that help you solve the problem, make you satisfied. > Our Working-time From 8:30 AM to 21:30 PM(GMT+08). Engineered for professional eBay sellers!

Condition:	New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...	Voltage	5V
Type	Clap Acoustic Control Switch Suite