Meet with Arduino PIC 32

What do you think of using the good old pic in a 32 Ardino ? This would boost their projects, leaving the Arduino 5 times faster, increasing...

Simple Music Generator Schematic Using UM66

UM66 is a pleasing music generator IC which works on a supply voltage of 3V. the required 3V supply is given through a zener regulator. its...

Phono Preamplifier Circuit Diagram

Simple circuitry, Passive high-frequency equalization n recent years, following CDs introduction, vinyl recordings are almost disappeared. N...

Mini Power Inverter

Even robot systems occasionally need a negative supply voltage for some purpose or other, and in this kind of application in particular...

build a Simple 12v to 9v converter

This little circuit uses a LM317 variable voltage regulator to adjust the input voltage down to +9 volt, or whatever else you need. Just a s...

Advanced Linear NiMH NiCd Fast Battery Charger

This is a simple Batteries charger for NiMH/NiCd.It Requires No Microcontroller or any Firmware .Linear Technology Corporation introduces th...

LED Workbench Lighting

Here is a very useful workbench lighting unit for electronics hobbyists. The portable inspection lamp circuit consists of an on-board volta...