Powerful Metal Detector Circuit Diagram

The heart of the circuit is a single ic the cs209a made by cherry semiconductor.
Powerful metal detector circuit diagram. Block diagram of metal detector. The detector is a single 100uh choke. The metal detector is powered symmetrically by two 9 v batteries each of which is loaded with about 15 ma. Next lm339 comparator circuit.
As shown the circuit oscillates at around 230khz. Metal detector circuit diagram. Previous high current lead acid battery charger circuit. Ive recently been getting into metal detectors as a hobby for the past few months despite being for old retired men and nerds metal detecting is fun to do with a friend the family or by yourself.
555 timer metal detector project. Schematic diagram of beat frequency metal described in the text. There are three main parts in the metal detector circuit. How to make your own detector 93 the etched circuit board pc board approach is the.
The detection coil l1 forms part of a sine wave oscillator built around transistor t1. Assembling your own metal detector can be a great hobby or school project. Simple metal detector circuit is implemented by employing ic cs209a from cherry semiconductor now its on semiconductor the cs209a is a bipolar monolithic integrated circuit for use in metal detector applications and inductive proximity sensing applications. Getting started in treasure hunting black 0 black 0 1 brown red 2 red 2 orange 3 orange 3 yellow 4 yellow 4 green 5 green 5.
Scroll through our list below and check out the free blueprints. We ve collected a list of the 19 best diy metal detector plans from around the internet. One may also experiment with the frequency by changing the value of c1. If you want to build a metal detector we ve got you covered.
A faraday shield may be added to reduce ground effect and capacitive coupling and this is wired to 0v. The lc circuit the proximity sensor output led and the buzzer. It is the change in oscillation that is amplified and demodulated. Powerful metal detector circuit diagram find complete details about powerful metal detector circuit diagram metal detector circuit diagram powerful metal detector circuit diagram detector circuit diagram from other pcb pcba supplier or manufacturer dalian jinseo electronic technology co ltd.
The ic has an integral oscillatorm the choke forms part of an external lc circuit its inductance being altered by the proximity of metal objects. This post will show you how to build your own metal detector from the surf pi 1 2 pulse induction kit. The coil and the capacitor c1 which are connected in parallel will form the lc circuit. Quate for all purposes in this metal detector circuit.
Building your own metal detector is fun and. Schematic circuit diagram of metal detector project.