Metal Detector Circuit Metal detectors can be classified based on their operating principle into these three categories: BFO, TR/IB, and …
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Metal Detector BT1e
Metal Detector BT1e The pulse detector BT1e is a completely revised version of the BT1 in which all previous improvements …
Read More »Pulse detector Minipuls-3
Pulsdetektor Minipuls-3 Minipuls-3 is the highlight of the Minipuls series. This detector is analog/digital hermaphrodite. However, it can be expanded …
Read More »Pulse metal detector Tiny
Pulsdetektor Tiny Tiny was built into a small plastic case. The batteries can be found in the cover. There is …
Read More »DIY Metal Detector based Arduino
DIY Metal Detector based Arduino Nano Metal detector, sounds a bit high-end, below we just use an Arduino, 10 meters …
Read More »JTAG Basics
JTAG Basics What is JTAG ? JTAG (Joint Test Action Group, Joint Test Action Group) is an international standard test …
Read More »Programing a new ATmega328p with Arduino
Programing a new ATmega328p with Arduino This article describes how to program the brand new ATmega328P chip with an Arduino …
Read More »Arduino Nano Metal Detector
Arduino Metal Detector A metal detector is a safety device that detects potentially harmful metals. Previously we have made very simple metal …
Read More »Metal detector on Arduino Pro Mini
Metal detector on Arduino Pro Mini Reworking of the Kolokolov-Shchedrin deep-well scheme. Differences from the original circuit: 1. There is NO …
Read More »Sample Pinpointer
HAND-HELD METAL DETECTOR Those who used metal detectors know how convenient a pinpointer is – a small hand-held metal detector …
Read More »SIMPLE METAL DETECTOR WITH DISCRIMINATION
SIMPLE METAL DETECTOR WITH DISCRIMINATION The Pirate and other similar impulses are good for everyone – high repeatability, simplicity of the circuit, …
Read More »Radar prototype using ultrasonic sensors and Arduino
In this article, we use the Arduino development board and ultrasonic sensor to design a radar model for detection and …
Read More »Pirate PI Pulse metal detector
Pirat – stands for: PI – means a pulse metal detector, and RAT – author’s site: “radioscot” . This metal …
Read More »Pulse metal detector “Pirate”
Pulse metal detector “Pirate” Recently, such an activity as the search for various old coins, household items, and …
Read More »Arduino Digital Multimeter
Arduino Digital Multimeter Premium version 2.0.0 added The new version 2.0.0 supports USB connection with OTG cable. For more information …
Read More »Simple metal detector for beginners needs only TL074
Simple metal detector for beginners Earlier we looked at various schemes of metal detectors. They can be viewed in the …
Read More »simple metal detector with 2 NE555
simple metal detector with 2 NE555 Many radio amateurs dream of assembling a simple metal detector with their own hands …
Read More »Generalities about DIY metal detector
DIY metal detector A metal detector or metal locator is a device that locates metal containing objects in a dielectric …
Read More »Tesoro Lobo metal detector
Tesoro Lobo metal detector is an amusing device. I will not touch on its operating frequency, this is a separate topic. But …
Read More »Pulse PI-AR metal detector based on STM32f1
Pulse PI-AR metal detector based on stm32f103c8t6 microcontroller. The name is taken from the words PI – pulse principle of operation, AR – abbreviated from ARM …
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Pinpointer FM-2 v2
Pinpointer FM-2 v2 In present post we show the method for building the most simple metal detector Pinpointer FM-2 V2. …
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Pinpointer KB_V3_VCO
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Pinpointer Based PIC12F675 Microcontroller
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Sample Pinpointer
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Pinpointer MINIMAX-PP-II
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Pinpointer Velleman k7102
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Pinpointer G-NOME
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AVR-910 programmer
This USB programmer is built on the Atmega8 microcontroller, it is easy to manufacture, it can be assembled with your …
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Programmers
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AVR serial programmer
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LM2596 regulated power supply
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AVR Parallel Programming 2
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AVR Parallel Programming 1
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USBasp TQFP32 Version
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Programmers utilities
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USBTiny-MkII Slim AVR
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AVR Serial programmer 2
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LP2951 Charger
Stabilizer LP2951 is manufactured by National Semiconductors (datasheet). It provides the implementation of the built-in current limiting function and allows …
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TP4056 Charger
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Universal Charger PIC16F877A
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MAX1551 Charger
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Batteries and Chargers
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Concentric coil for IDX Pro/TGSL
This document is intended to demonstrate one method of constructing Concentric Co-planer coils. While it is targeted toward the home …
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Pulse Induction coil 2
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Search coils
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Coil calculation
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Simple PI coil for pulsed metal detector
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Basket Coil for Pulse Induction
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Spider coil
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Coil DD for induction balance metal detectors
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Pulse Induction coil 1
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FelezJoo Discrimination Fix
After a few months of research for the problems of discrimination and “Coil Error” in the Felezjoo PI, I finally …
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FelezJoo PI Download files
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FelezJoo PI Ground Test
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FelezJoo PI Air Test
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FelezJoo PI Programming
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FelezJoo PI System settings
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FelezJoo PI assembly
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FelezJoo Partlist
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FelezJoo PCB
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FelezJoo Schematic
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Oscilloscope from a smartphone
A good oscilloscope is too expensive equipment for an ordinary electronic amateur, for whom soldering microcircuits and repairing electronics (Ex: …
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Toner Transfer PCB method