Electronics Projects Archive

Electronic plans news for electronic hobbyist or engineers. Free electronic schematics (circuits) electronic blog site. Electronic content post and more..

Car Battery Charge Status Indicator for Monitoring Water Oil Temperatures

A device used to monitor water oil temperatures and battery charge voltage for automotive. The heart of the circuit is PIC16F628 microcontroller car temperature measurement is provided by 2 DS18B20..

Using Inkscape for Sprint Layout Sprint Font Plugin

Sprint Layout 6 KiCad Footprint, EasyEDA Library SVG, Orkod, Font Plugin I mentioned in the article SprintFont plugin, adding logos, symbols, etc. to PCB drawings has become much easier. However,..

12V 10A Automatic Protected Battery Charger with UPS Transformer

A superior design than the battery chargers sold in the market for 2..3k as 12V 1XX amp industrial chargers. Automatic battery charger is a versatile circuit for charging 12V lead..

18650 Battery Tester Modified

I was thinking of making a 18650 battery tester. Until I made a li-ion battery tester, the variety of affordable devices had increased a lot. Especially the 18650 lithium battery..

Simple Electronic Piano

Simple Electronic Piano made with NE555 Timer IC produces 8 tones (do, re, mi, fa, sol, la, si, do) and the frequency of the notes can be changed with 10k..

Multifunction Shield Arduino Uno Pin Layout

Multifunctional Expansion Board Shield kit Based Learning for Arduino UNO R3 with good price, This is an open-source code base and Simple i / o platform, and with the use..

Simple LED Audio Spectrum Analyzer

LED Spectrum Analyzer The low-pass filter is usually placed on the left and the high-pass filter is placed on the right on the display panel. You can experiment with filter..

Whistling Key Finder

Whistle key finder device. Its operation is basically a keychain that responds with a beep-beep sound when we whistle at the right frequency. A miniature electret microphone captures the whistle..

USB Bluetooth Module Amplifier Project

A quality complete 2N3055 amplifier project with bass, treble tone control at 2x10W (4-Ohm) or 2x20W (4-Ohm) power that can be used with USB mp3 module. 2N3055 transistors are used..

AT-ATX Transformer TL494 IGBT IR2110 13.8V 200W Power Supply

In the power supply device, TL494 integrated circuit is used for PWM control, power transistors are IGBT (or mosfet), IR2110 integrated circuit is used instead of transformer for driver. Power..