The metal detector is built on an ATmega8 microcontroller , paired with an MCP3201 AD converter . Judging by the reviews on the Internet, this chip is a deficit for many, and it is recommended to start assembling the device after its acquisition the necessary componnets.
In order to collect this metal detectors , we need the following components:
Ceramic capacitors
- Electrolytic capacitors
- 10 mkf x 16v – 1 pc
- 100 mkf x 16v – 3 pieces
- 220 mkf x 16v – 2 pieces
- 1000 mkf x 16v – 1 pc
- 2200 mkf x 16v – 1 pc
The circuit also has a voltage regulator ICL7660S (-5V). Please pay attention to the fact that in nature there are two chips, one with the letter “S” as I have, the other without it. The microcircuit with the letter “S” is operated with voltage up to 12v, the other works only with a voltage up to 10v.
