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Accurate, Adjustable SCR Crowbar Circuit For Overvoltage Protection Using TL431 ReferenceTL431 provides accurate, adjustable voltage crowbar function for circuit overvoltage protection
- crutschow
- Updated:
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NiZn Battery Charger With Auto Cutoff Using LM317Charger performs recommended charging function for rechargeable NiZn batteries
- crutschow
- Updated:
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Getting Started with Android Programming: Creating Your First AppA tutorial to help you write a simple Hello World! Android application
- DerStrom8
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Simple & Inexpensive Ideal-Diode MOSFET CircuitsGood for low-drop diode applications, such as blocking battery back-charging or brownout protection
- crutschow
- Updated:
Audio Perimeter Monitor
2010-07-06
Using a single cable such as speaker wire or doorbell cable, this circuit can be remotely positione
Audio Notch Filter
2010-07-06
At first glance this circuit looks fairly complex, but when broken down,can be divided into high pa
This circuit is a simple two transistor (2N2222) FM transmitter. No license is required for this tr
FM Transmitter (#1)
2010-07-06
This circuit is a simple two transistor (2N2222) FM transmitter. No license is required for this tr
Night Buzzer
2010-07-06
If you want revenge that won’t kill someone, just make them go insane, have I got the thing for y
1.5 Volt Tracking Transmitter
2010-07-06
The current draw for this tracker is 3.7mA, so the 1.5V button cell will last awhile. What the heck
AM Radio Receiver
2010-07-06
Here's a very simple AM Radio circuit I've designed couple of years ago. Don't know whether anybody
Strobe Light
2010-07-06
Strobe lights are widely used by disco lovers to create wonderful visual effects in disco halls and
5 Zone Alarm System
2010-07-06
Each zone uses a normally closed contact. These can be micro switches or standard alarm contacts (u
My original project is [URL="http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1247631566/all"]here[/
This cct uses 4026B ICs to drive 1.5" 7 Segment LED Displays. Even at 5volts these are quite bright
Simple RS232-to-TTL Adapter
2010-07-05
For those who may be interested. A simple circuit/method/scheme for adding a serial port to that o
K8LH Novelty Single Chip Clock
2010-07-05
Hi Guys,After designing this single chip Charlieplexed 24 hour [U]Clock[/U]/[U]Calendar[/U]/[U]
Here is a project I worked on a while ago that I’ve finally got around to documenting.
It inte
Simple Coil Gun
2010-07-05
What is an coil gun? Its an prety fancy way of shoting projectiles out of an tube.It uses magnetic
Miniature Loop Alarm
2010-07-05
A few months ago, I decided to build a compact, yet effective alarm. My demands were:- simple const
240 Volts 100 Hertz 29 LED lamp
2010-07-05
This is the improved version of the LED lamp posted about 1 year ago which ran on half wave rectifi
Vehicle Loop Detector
2010-07-05
I Just Updated my Car Detector project, Should anyone here need one.
Flashing a LED with Mouse
2010-07-05
Don’t throw your old mouse do a fun project with it. This is the simplest project I have ever mad
Triac light bulb flasher
2010-07-05
This 800 W light bulb flasher operates directly off the line and needs no transformer. Power for th
Latest threads
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spark tester circuit diagram
- Started by john potgieter
- Replies: 4
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