Projects Projects
USB to RS485 Adapter
This is a simple USB to RS485 bus adapter.
Toggle ON / OFF Switch with a single push-button
This project describes how to build a “soft touch” switch.
Solar Mailbox project
The purpose of this project is to develop a self sufficient Mailbox (real one) that will be powered only by the sun and that will display the number of the house, but only in accordance with the battery level.
MAX6953 Development board
The MAX6953 from Dallas Maxim is a compact cathode-row display driver that interfaces a microprocessor (like PIC or AVR) to four 5×7 dot matrix LED display trough an I2C compatible serial interface.
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.