DIY Metal Detector Electronic Production Kit Adjustable Sensitivity Monitoring Range 5cm -2021. Features: Can detect metals in the range of 5cm. Adjustable sensitivity. Connectors are safer. With power switch. Parameter: Size: 61*86mm/61*65mm; Circuit board material: FR-4 sheet with a thickness of 1.6mm on both sides; Package Included: 1 x DIY Metal Detector...
Features: Premium one side prototype PCB printed circuit board, universal strip breadboard. All holes are plated through, smooth and clear. Sturdy and easy to use, the plated holes are very...
Features: The infrared sensor switch detects whether the infrared signal is reflected and emitted to determine whether there is an object in front, so as to control the switching operation...
5V-12V AT89C2051 Multi Function Six Digital LED DIY Electronic Clock Kit. Description: Circuit board is made of FR - 4 glass fiber, tough and durable plate. Reasonable circuit layout...
Feature: Power consumption: display full bright 42ma, single lamp display 4ma (the digital tube has a word on one side of the pin is positive); Measuring range: General battery within...
Feature: The ICL8038 is a precision oscillating integrated circuit with multiple waveform outputs. The frequency and duty cycle of the output waveform can also be controlled by current or resistance....