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DIY Protected Lithium Battery Charger (TP4056)

DIY Protected Lithium Battery Charger (TP4056)

Step-by-Step guide on how Lithium Battery charger circuit works and full assitance for DIY protect charger through USB port.

January 31, 2023 by DIY GUY Chris

How to make Advanced Laboratory Power Supply with RD6006W module, and short Review

How to make Advanced Laboratory Power Supply with RD6006W module, and short Review

In this video I will try to briefly explain how to build a complete device, as well as some of the more important features.

January 28, 2023 by Mirko Pavleski

DIY Simple PCL82 Low Voltage (12V) Tube Amplifier

DIY Simple PCL82 Low Voltage (12V) Tube Amplifier

How to make a very simple single tube amplifier that also works at low voltage and is powered by 12V DC. Also, instead of an output audio transformer, a standard 220V/6V mains transformer is used.

December 24, 2022 by Mirko Pavleski

Trio JR-500S Ham Radio Receiver: a Review

Trio JR-500S Ham Radio Receiver: a Review

My "new" Trio JR-500S Receiver, and some general comparison with a modern SDR receiver.

December 10, 2022 by Mirko Pavleski

Serial Output Tips & Techniques

Serial Output Tips & Techniques

This project demonstrates various ways to output data serially from the GreenPAK devices.

August 03, 2022 by GreenPAK™ Family of Integrated Circuits

Low-Power Button Replacement with Force-Sensitive Resistor

Low-Power Button Replacement with Force-Sensitive Resistor

This project describes how to create a highly reliable, low-power, temperature-stable button function.

June 28, 2022 by GreenPAK™ Family of Integrated Circuits

DIY Induction Heater with Ferrite Core Coil

DIY Induction Heater with Ferrite Core Coil

An electric conductor such as iron container placed in the variable magnetic flux is heated rapidly by induced eddy current.

June 04, 2022 by Mirko Pavleski

DIY Super Simple Sensitive Metal Detector

DIY Super Simple Sensitive Metal Detector

Extremely simple Metal Detector whose making requires only one cheap integrated circuit TL084.

April 30, 2022 by Mirko Pavleski

Balancing Robot, With No Microcontroller

Balancing Robot, With No Microcontroller

A self-balancing robot normally needs a microcontroller. This shows what can be done with a motor and 2 switches.

February 18, 2022 by Tony K

DIY Simple Alpha Radiation Spark Detector (High Voltage)

DIY Simple Alpha Radiation Spark Detector (High Voltage)

A very simple device that can detect Alpha radiation and the presence of Alpha radiation is manifested by small sparks between electrodes

January 15, 2022 by Mirko Pavleski

How to make a simple and inexpensive laboratory power supply

How to make a simple and inexpensive laboratory power supply

I will show you how to make a power supply unit that will cost you less than $ 10 if you have an old power supply from a old laptop

October 20, 2021 by Mirko Pavleski

DIY Plasma Tweeter (speaker)

DIY Plasma Tweeter (speaker)

This project describes the making of an unusual tweeter speaker that is much appreciated in the high-end audio class.

May 15, 2021 by Mirko Pavleski

Basic knowledge of analog switches

Basic knowledge of analog switches

An analog switch is a switch that uses the characteristics of JFET or MOS to control the signal path.

October 19, 2020 by Alan Hathaway

DIY Powerful Bass Amplifier with LA4440 IC

DIY Powerful Bass Amplifier with LA4440 IC

DIY Powerful Bass Amplifier with LA4440 IC price and application 

July 15, 2020 by Utsource Parts

Analog Power Supply Unit

Analog Power Supply Unit

Analog Power Supply Unit designed using discrete electronic components with 10V / 100W output

August 11, 2019 by Gayangana Leelarathne

DIY Musical Doorbell

DIY Musical Doorbell

Learn how to make a simple musical bell using the UM66T melody generator IC.

May 01, 2019 by Electro Guruji

How to Make a Siren Generator

How to Make a Siren Generator

Learn how to make a simple electronic siren generator circuit with just a few parts!

April 23, 2019 by Electro Guruji

How to Make an LED Simulate an Incandescent Bulb 

How to Make an LED Simulate an Incandescent Bulb 

Use analog circuitry to give the LED the feel of an incandescent bulb.

March 20, 2018 by Robin Mitchell

How to Make an Analog Alarm System With a TI LM386 Power Amp

How to Make an Analog Alarm System With a TI LM386 Power Amp

This device will make a loud and annoying sound when somebody moves an object off of the pad.

May 19, 2017 by Ryan Jones