Projects Projects

+/-18V Isolated DC-DC Converter Dual Supply Output from USB 5V Power Input

+/-18V Isolated DC-DC Converter Dual Supply Output from USB 5V Power Input

This is a mini DC-DC converter with dual output from single 5V DC supply or USB power source (e.g., +/-18V from 5V/USB).


4 comments Tested
60W LED Dimmer for 12V LEDs using 555 Timer

60W LED Dimmer for 12V LEDs using 555 Timer

The project shown here is a cheap 60W LED dimmer for 12V LEDs/12V LED strips.


0 comments Tested
High Accuracy Current Sensor with 400Khz Bandwidth using ACS37002

High Accuracy Current Sensor with 400Khz Bandwidth using ACS37002

This is a high accuracy current sensor project build using ACS37002 IC from Allegro, which is a fully integrated Hall-effect current sensor with 0.85mOhms integrated conductor.


0 comments Tested
Headphone Amplifier For DAC Converter

Headphone Amplifier For DAC Converter

This is a headphone amplifier project for audio digital-to-analog converters (DACs) with differential voltage outputs.


0 comments Tested
Isolated, Single-Channel RS232 transceiver (Isolated RS232 to UART)

Isolated, Single-Channel RS232 transceiver (Isolated RS232 to UART)

The project presented here provides an isolated interface between the RS-232 cable network and the connected UART systems to protect against voltage spikes and ground loops within the noisy environment and improve system reliability.


1 comment Tested
24 LEDs Bargraph Display using 74HC595 Shift Register

24 LEDs Bargraph Display using 74HC595 Shift Register

This project is built for fun loving users to create a 24 LED bar-graph for light effects that can be driven using Arduino or another microcontroller.


1 comment Tested
High voltage Half-Bridge with Current Feedback using L6390

High voltage Half-Bridge with Current Feedback using L6390

The project presented here is a versatile high voltage Half-Bridge with current feedback.


0 comments Tested
ThermoDuino – OLED Display Thermometer and Tiny Arduino Board

ThermoDuino – OLED Display Thermometer and Tiny Arduino Board

ThermoDuino is a mini Arduino compatible board that consists of LM35 temperature sensor, ATMEGA328 chip, and 0.96″ OLED display.


0 comments Tested
Digital Pressure Gauge 0 to 10kPa (0 to 1.75 psi) with OLED display

Digital Pressure Gauge 0 to 10kPa (0 to 1.75 psi) with OLED display

The project presented here is a Digital Pressure Gauge using an OLED display.


2 comments Tested
Low Cost Room Thermometer Using 16×2 LCD and Atmega328

Low Cost Room Thermometer Using 16×2 LCD and Atmega328

This is an easy to build small size and low-cost room thermometer.


0 comments Tested
Smart RGB LED Light Stick – Arduino Compatible

Smart RGB LED Light Stick – Arduino Compatible

This is a Smart LED light stick that contains 20 x WS2812B single wire addressable full colors RGB LEDs and Atmega328 microcontroller.


3 comments Tested
RGB LED Controller using Atmega328

RGB LED Controller using Atmega328

This is a 3-channel, PWM based current-adjustable LED driver designed for RGB LED control.


2 comments Tested