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Simple Sensitive 3 Transistors BFO Metal Detector
Pavleski Aug 04,2023
  In this project I will present you a Very Simple "Beat Frequency Oscillator" type of Metal Detector. BFO metal detectors are relatively simple and inexpensive compared to other types of metal detectors. It is one of the simplest and most common types of metal detectors.   The principle of operation is as follows:When a metallic object is in close proximity to the search coil, the beat frequency produced will be different compared to when there is no metal present. This...
DIY USB Arduino
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CATCUBE Internet clock
Arnov sharma Aug 04,2023
Hey everyone, and welcome back.This is CATCUBE, a miniature cube-shaped desk clock with a cat theme that is created entirely of scratch and has an ESP8266 module for a brain.A desk clock like this one which pulls time readings from the internet and displays them on the 0.96-inch SSD1306 OLED; its front is made of a custom PCB, and its back is covered with a hollow 3D-printed holder that can accommodate a small Li-Po battery.This project was built around a custom PCB that houses all the electroni...
3D printing SLA Arduino
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pico2040-zeankundev-rev1.2
Isnomo Aug 02,2023
A small RP2040 board I designed myself out of boredom. Features:No detection, but failsafe step down converterExtra 1 switch (2 switches) for RUN hooked to GND for reset32MB flashYou can use it as a portable thumb drive, hence the flash and BOOTSELDIY PCWIP footprint for embedding the board (KiCad)I don't know what to put here
Arduino Raspberry pi USB
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I2C OLED Display with Arduino For Beginner
Poudel Jul 30,2023
OverviewThis article I2C OLED Display with Arduino demonstrates how to use the Arduino and the SSD1306 0.96-inch I2C OLED display. We’ll show you some features of the OLED display, how to connect it to the Arduino board, and how to write text, draw shapes and display bitmap images.IntroductionIn the realm of DIY electronics, one of the most fascinating combinations is the Arduino microcontroller and OLED displays. In this beginner’s guide, we will delve into the world of I2C OLED displ...
Arduino
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Sim800 Control Board
Astoraque Duran Jul 28,2023
Sim800 Control Board with 4 outputsWith this project you can control many devices using the GSM network, which enables you to control the Relays from very far distance.
Arduino DIY Atmega
2352
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How to make Simplest Colloidal Silver Generator
Pavleski Jul 28,2023
  Colloidal silver is a suspension of tiny silver particles in a liquid medium, usually water. It has been used for various medicinal and health purposes for centuries, dating back to ancient civilizations. Its antimicrobial properties make it a popular alternative remedy for a wide range of ailments. Some claimed benefits and uses of colloidal silver include: - Antibacterial, Antiviral, and Antifungal properties - Immune system support - Skin conditions like acne, eczem...
DIY USB Arduino
3006
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Bluetooth Controlled car using Arduino
Poudel Jul 28,2023
OverviewA Bluetooth Controlled Car Using Arduino is a fascinating DIY project that involves building a remote-controlled car using an Arduino board and enabling wireless control through Bluetooth technology. This project merges electronics, programming, and wireless communication, making it an excellent educational and hobbyist endeavorIntroductionWelcome to the fascinating world of robotics and DIY electronics! In this exciting project, we’ll take you on a thrilling journey of building your ver...
Arduino DIY PCB
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Custom-made self-contained DC power meter
Curious Scientist Jul 28,2023
This project realizes a tiny "self-sufficient" power meter that can be inserted into any DC power line thanks to its small footprint.The PCB utilizes the INA238 high-precision power meter chip and the circuit is managed by an ATtiny85 microcontroller.The circuit can be powered either by an external 5 V source or it can be powered directly from the monitored power line (never both at the same time!). Between 3.8-32 V, the device is "self-sufficient", so it can be powered from the monitored line. ...
Arduino DIY power meter
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Raspberry Pi Pico Expansion Board
🙂 Jul 28,2023
Hello everyone!UPDATE!!!I made some changes, routing in particular, and freed up the board of a few more parts.This is my new PCB design. I wanted to share it with you on this platform.This is an expansion board compatible with Raspberry Pi Pico, practically with this board you get access to the pins on the Pico more easily, they are also multiplied, they are also labeled so you don't have to turn the board over to see what each pin means.Through the pin strips you can access the GPIOs, the comm...
raspberry pico board
3994
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Multi Purpose IO Card
MakerIoT2020 Jul 27,2023
Multi-Purpose IO CardWhen we are working on a prototype, we always need access to pushbuttons, encoders and even displays to test our ideas in the real world. This Multi-Purpose IO Card was designed to help me do just that…What is on the PCB?This PCB was designed with my particular work style in mind. I use a lot of I2C devices, IO Expanders, Displays and sensors. It would thus make sense to have I2C on the PCB, to control an OLED display, as well as a PCF8574 IO expander, that is used to drive ...
Board DIY Arduino
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DIY Active FFB Pedal PCBA
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