Projects Projects
4 channel infrared remote relays
Description 4 Channel Infrared (IR) Remote controller is using HT12A and HT12D encoder / decoder chips from Holtek.
Dual Relay Driver Board
Description Dual Channel Relay Board is a simple and convenient way to interface 2 relays for switching application in your project.
Solid state relay switch
Description Solid State Relay Switch is a simple kit which will help you control (ON / OFF) a single high power circuit from a low power drive.
IR Remote Volume Controller
Schematic Parts List
Audio VU meter 9 leds
Description 5 LED VU Meter kit is based on LB1409 IC from SANYO, which will indicates the volume level of the audio signal it senses SUPPLY 12V DC @...
Flyback Transformer Driver
General Description and circuit operation This is an efficient flyback driver for modern cylindrical rectified television flybacks.
Tiny DDS – Open source DDS generator
This project is an open source (hardware & software) DDS generator, based on: smart TFT module, AD9834, LM7171 fast amplifier.
NiCad-NiMh Battery Monitor
This project is a NiCad-NiMh Battery Monitor based on LM3914 IC Description The simple project can be used as test gear.
Advanced LC meter
This project is an advanced LCR meter based on PIC16F690 microcontroller.
Simple LC meter
This project is a simple LC meter based on PIC16F682A mcu.
Thermocouple Type-K amplifier
This project is a simple Thermocouple K-type amplifier based on AD595 IC.
Simple SMD LED tester
This project is a simple LED tester and LED polarity checker.