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You must solder some components on the top surface and some components on the bottom side of the board
2×12-bit D/A converters
60 pulses per turn = motor tail Hall encoder (2CPR) * 30 (reduction ratio)
Built-in TTL COM PC-PL2303HX Standard USB Type A male chip and TTL 4-pin connector Simple and easy way to give USB support to your available designs for Linux
installation and commissioning of complete specification (including schematics
Metal Detector Kit Soldering Iron You must solder some componentsMetal Detector is a high performance metal detector designed for security. Specifications NO. Parameter Value 1 Name Metal Detector 2 Operating Voltage DC 3 5V 3 Operating Current 40mA 4 Standby Current 5mA 5 Detection Distance 60mm 6 Alarm mode Sound Light 7 Difficulty Easy 8 PCB Size 86*61mm NO. Component Name PCB Marker Parameter QTY 1 Metal Film Resistor R3 470ohm 1 2 Metal Film Resistor R2 2K 1 3 Metal Film Resistor R1 200K 1 4 Potentiometer VR1
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