Tiny Proto Boards   no comments

Posted at 11:39 пп in avr
Tiny25 and Tiny2313 Proto Board Here are two brand new boards for faster prototyping. These are especially useful for these one-off projects that need to be more permanent than on a breadboard. And they save time as ...

Written by Alex on сентября 3, 2010

Variable DC Power Supply (1.25 – 18V) using LM350 IC   no comments

Posted at 8:04 пп in LM350, power supply
A variable DC power supply is one of the most important tools for an electronics hobbyist. In order to carry out an experiment you need a reliable DC power source that can be varied according to the need ...

Written by admin on сентября 1, 2010

A power source for simple LED projects   no comments

Posted at 7:26 пп in Led, Power
LED’s are great display tools. Their prices have decreased to a point where they are replacing more conventional light sources. In one sense their characteristic need for low voltages is an advantage e.g compatibility with I.C drives, ...

Written by admin on сентября 1, 2010

MCU controlled Bluetooth automation with infrared sensor   no comments

Posted at 7:21 пп in Bluetooth, IR, Infrared, Mcu, automation
The microcontroller used is 0822 zilog encore! 8k series (soic,28pin) as shown on the figure. Is a programmable microcontroller, the functions used are the GPIO and the UART of the chip. GPIO is used on led indicators, and ...

Written by admin on сентября 1, 2010

Centrifugal fish autofeeder   no comments

Posted at 7:17 пп in Centrifugal, Miscellaneous, autofeeder, fish
This easy as well as cheap but effective device is mainly intended for your ease to leave your fish autofed. You need no longer worry your fish would starve as this autofeeder would replace your job. This autofeeder ...

Written by admin on сентября 1, 2010

2500W Phase Control   no comments

Posted at 7:15 пп in Control, Phase, Phase Control, Power, TLE3103
This circuit controls resistive and inductive loads up to 2,500W. Its main functional device is an integrated phase control circuit – Siemens TLE3103. It contains its own power supply, a zero voltage crossing detector circuit and a logic ...

Written by admin on сентября 1, 2010

Pulse generator   no comments

Posted at 7:13 пп in LM555, Miscellaneous, Pulse Generator
Pulse Generator kit will generate a frequency in KHz which can form a good test gear project. This kit is based on the classic LM555 timer IC. Pulse generator - [Link]

Written by admin on сентября 1, 2010

Digital Volt and Amp Meter with Temperature Control   no comments

This project was designed and constructed as enhancement to the 0-30V Stabilized Power Supply Project with the DIY electronics hobbyist in mind. The circuit uses a single PIC Microchip to perform the Voltage, Current and ...

Written by admin on сентября 1, 2010

Dual Voltage Power Supply   no comments

Posted at 7:02 пп in 7812, 7912, Dual, power supply
The following circuit Diagram of (DUAL VOLTAGE POWER SUPPLY ) can be used for Misc.. application. It requires a few components to built. The most important components of this circuit are REGULATORS. 1 : ...

Written by admin on сентября 1, 2010

Cheap Audio Booster   no comments

Posted at 7:00 пп in Audio, Booster
Cheap Audio Booster - [Link]

Written by admin on сентября 1, 2010