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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Electronic Projects

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View all featured resources
How to operate an A7672S 4G modem with a computer Aimee Kalnoskas
  • Featured
How to operate an A7672S 4G modem with a computer
by Nikhil Angnihotri, EngineersGarage.com
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Updated
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DIP Switch Detection Using µP A/D Input
Circuit generates voltage output determined by DIP switch settings
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Updated
Resource icon hesam_m
85V-260VAC to 5VDC-2.5A Flyback Switching Power Supply
85V-260VAC to 5VDC-2.5A Flyback Switching Power Supply
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Updated
Resource icon hesam_m
Digital AC Energy Measurement Circuit: Voltage, Current, Power, PF, KWh
Digital AC Energy Measurement Circuit: Voltage, Current, Power, PF, KWh
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Updated
Resource icon hesam_m
8-100V to 5V-1A DC to DC Buck Converter using MP9486
8-100V to 5V-1A DC to DC Buck Converter using MP9486
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Updated
Resource icon hesam_m
DIY 433MHz 4-Channels Wireless Switcher Circuit
DIY 433MHz 4-Channels Wireless Switcher Circuit
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220VAC to 8VDC 24W Flyback Switching Power Supply
220VAC to 8VDC 24W Flyback Switching Power Supply
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Resource icon hesam_m
RP2040-Zero Powered Laser Range Finder with GUI and a 2.4" TFT Display
RP2040-Zero Powered Laser Range Finder with GUI and a 2.4" TFT Display
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Updated
Resource icon hesam_m
Adjustable Low EMI Switching Power Supply
Adjustable Low EMI Switching Power Supply
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Stereo Digital FM Transmitter Circuit
Stereo Digital FM Transmitter Circuit
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Low Noise AC to DC Rectifier Using Capacitance Multiplier
Low Noise AC to DC Rectifier Using Capacitance Multiplier
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5A-35V Adjustable Switching Power Supply
Adjustable Switching Power Supply, DC to DC Buck Converter
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Updated
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30A AC Soft Starter (Inrush Current Limiter) Circuit with Fail-Safe
30A AC Soft Starter (Inrush Current Limiter) Circuit with Fail-Safe
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Updated
Resource icon crutschow
Stepped Waveform Generation For Quasi-Sinewave Inverter
Simple circuit for generating the stepped waveform used in quasi-sinewave DC-AC inverters
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Updated
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Wireless Home Automation (Control and Monitoring)
Wireless Home Automation (Control and Monitoring)
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Updated
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Easy Bluetooth in Minutes
Block Programming for ESP32
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Updated
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220V-AC to 12V-DC 18W Switching Power Supply
220V-AC to 12V-DC 18W Switching Power Supply
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Updated
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A Standalone Full Bridge DC Motor Driver
A Standalone Full Bridge DC Motor Driver
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40V-30A Adjustable Switching Power Supply
40V-30A Adjustable Switching Power Supply
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Resource icon hesam_m
Graphical Temperature & Humidity Control Unit Using a Raspberry Pi Pico
Graphical Temperature & Humidity Control Unit Using a Raspberry Pi Pico
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