Continue to Site

Welcome to our site!

Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Register Log in
  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Electronic Projects

A collection of electronic circuits and projects you can build. Created by our very own members.

Categories

  1. Electronic Projects 74
    1. Alarms 1
    2. Audio 0
    3. Automotive 3
    4. Computers 0
    5. High Voltage 0
    6. Light/Laser 0
    7. Microcontrollers 9
    8. Power Supply 24
    9. Remote Control 4
    10. Robotic 2
    11. Test Equipment 6
    12. Timers 1
    13. Other 22
  2. Electronic Theory 2
    1. Laws 0
    2. Guides 0
    3. Other 2
  3. Software & Downloads 0
    1. Hello World! Examples 0
  4. Code Repository 0

Top resources

View all featured resources
Resource icon alec_t
Dual-Mode Microphone Pre-Amplifier 2011-12-17
This is a microphone pre-amp which I designed for use with a SoundBlaster(TM) AWE 64 Value sound c
0.00 star(s) 0 ratings
Updated
Resource icon alec_t
Auto Switch-Off Torch 2011-12-17
An elderly acquaintance who couldn't cope with battery recharging was getting through dry cells rap
0.00 star(s) 0 ratings
Updated
Resource icon alec_t
Mains-powered LED night-light 2012-11-09
I'm probably re-inventing the wheel, but here are a few variations of a mains-powered night-light f
0.00 star(s) 0 ratings
Updated
Resource icon S
Emergency Double Strobe Flip/Flop 2011-07-01
Double flash flip/flop with a PIC12
0.00 star(s) 0 ratings
Updated
Resource icon 3lectrix
Power Supply Failure Alarm 2011-12-29
Most of the power supply failure indicator circuits need a separate power supply for themselves. Bu
3.00 star(s) 2 ratings
Updated
Resource icon 3lectrix
Infrared Proximity Detector 2011-09-10
This proximity detector using an infrared detector (Fig. 1) can be used in various equipment like a
0.00 star(s) 0 ratings
Updated
Resource icon 3lectrix
Digital Stop Watch 2011-06-18
A digital stop watch built around timer IC LM555 and 4-digit counter IC MM74C926 with multiplexed 7
0.00 star(s) 0 ratings
Updated
Resource icon 3lectrix
Light Activated Switch 2011-09-04
The circuit is based on National Semiconductors comparator LM311 (IC1) and an LDR. The non invertin
3.00 star(s) 3 ratings
Updated
Resource icon 3lectrix
Dark Detector 2011-06-16
The dark detector circuit shown here can be used to produce an audible alarm when the light inside
0.00 star(s) 0 ratings
Updated
Resource icon 3lectrix
Digital Code Lock 2011-06-16
This is a simple but effective code lock circuit that has an automatic reset facility. The circuit
0.00 star(s) 0 ratings
Updated
Resource icon 3lectrix
Water Level Alarm 2011-12-29
This circuit will produce an audible alarm when the water level reaches a preset level.The circuit
5.00 star(s) 1 ratings
Updated
Resource icon 3lectrix
Police Siren (NE555) 2011-06-16
Here is the circuit diagram of a police siren based on NE55 timer IC. The circuit uses two NE555 ti
0.00 star(s) 0 ratings
Updated
Resource icon ElectroMaster
Computer Voltage Monitor 2011-06-16
This is an illustrated tutorial on building a voltage monitor for fan control circuits - rheostats,
0.00 star(s) 0 ratings
Updated
Resource icon ElectroMaster
Fan Control Circuit (LM317) 2013-05-19
This is an illustrated tutorial on building a variable voltage control for fans and other units, ba
5.00 star(s) 1 ratings
Updated
Resource icon C
Simple Audio Signal Injector 2011-07-05
Here's a signal injector for those of us like me who don't have a bench full of nice test equipment
4.00 star(s) 1 ratings
Updated
Resource icon jakeselectronics
Digital Temerature Sensor 2011-04-27
This circuit is a Digital Temerature Sensor using a Dallas '1-wire' DS18B20 Digital Thermometer
0.00 star(s) 0 ratings
Updated
Resource icon C
Real-Time 'Stopwatch' 2012-09-10
This is a simple electronic "stopwatch" you can use to time an event. I used it when developing a d
0.00 star(s) 0 ratings
Updated
Resource icon languer
Basic IR Communications 2011-02-07
Creating an infrared (IR) communications link can be very useful. Some examples of projects which
3.50 star(s) 2 ratings
Updated
Resource icon languer
Simple Serial LCD 2013-04-08
Creating a serial LCD can be very useful for quick debugging; as well as projects requiring LCD sup
4.00 star(s) 1 ratings
Updated
Resource icon Boncuk
LM555 for Air Cannon 2011-08-27
The idea is to have two monostables timers (LM555) for triggering the air cannon. Timer1 (IC1) i
5.00 star(s) 1 ratings
Updated

Latest threads

New Articles From Microcontroller Tips

Back
Top