Metal Detector Kit Electronic Kit DC 3V-5V Non-contact Sensor Board Module DIY

Features: *Brand new and high quality. *This is a DIY kit that you will need to assemble yourself. *Made of high quality metal materials durable long service life. *A perfect DIY metal detector electronics kit for beginners to practice welding. *Easy to install and uninstall. Specifications: Kit Name: Simple Metal detector Kit model: MDS-60 Standby current: ≤5mA Detection depth: ≤60 mm Welding difficulty: Easy Working voltage: DC3-5V Working current: ≤40mA Detection and alarm mode: sound light Board size: 86*61mm Material: PVC+ metal Package Content: 1 x Metal Detector Kit Installation steps: Step 1: Install metal film resistor R1=200K; R2=2K; R3=470ohm. Step 2: Install capacitors: C1 C4=104pF; C2 C3=222pf:C5=100uF. Step 3: Install two S9012s on Q2 and Q3; Install 1 on Q1 S9018:; Install a potentiometer on VR1. Step 4: Install the LED with the long foot as the positive pole corresponding to the square pad mounted on the board. Step 5: Install the buzzer and power outlet. Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.