FR-4 circuit plate board using military grade A material sheet, plate, and some stability tolerance parameters, A material behaved very tough, which is in the interests of a number of...

Note: This is a DIY kit, you need to assemble it. No install instruction supply. Feature:    On the basis of the ordinary tesla, added a music playback function: A...

Description:   It is simple and practical, and the power consumption is small, and the circuit is driven by an integrated circuit. The parts are few, and the line is...

Feature: Power supply: 9V-12V (Recommended 9V laminated battery).  Antenna: 50 ohm, unbalanced.  Frequency range: transmitter local oscillator frequency: 7023kHz; receive local oscillator frequency: about 7023-7026KHz Headphones: low-impedance headphones.  Transmit power:...

Description: Working voltage: 3~12V.  For SMD Component Soldering Practice.  Package included: 5 x DIY SMD Component Soldering Practice Board

Description:   Working voltage: 3~12V.  Board size: 90 x 60 x 1.6mm.  This DIY SMD practice board suitable to improve soldering level and speed. Package included: 5 x SMD Components Soldering Skill...

Luxurious HIFI Amplifier Preamplifier Volume Control Tone Board1000UF/25V DIY Suit -2021.    Specifications:  Power Input: AC12 or AC15V, you can also input DC15V (any one of them);  PCB Size: 90*45MM; ...

Description:   Appearance size: 43 x 32mm.  PCB Material: double-sided 1.6mm FR-4 sheet.  Supply voltage: 3-5V.    Package Included: 5 x DIY Sound Light Infrared Sensor Anti-theft Alarm Switch Kit