Most 555 prank timer related news are at:
Time Lapse photography 14 Jun 2013 | 04:19 am
So, I found an old camera I don’t use anymore and was wondering what shall I do with it. The camera has manual mode – good! One microcontroller later I had a working prototype of time-lapse photograph...
Portable Ammo Box Power Supply Unit PAB-PSU 2 Feb 2013 | 08:54 pm
When you’re in need of a power supply,the obvious solution is to use a computer’s PSU. When you’re short of a proper casing,why not use what’s on hand and yesterday,what was on hand was a 50 cal Ammo...
More 555 prank timer related news:
Time Delayed Door Alarm homebrewtechnology.org 31 Jan 2010 | 12:23 pm
My cat likes to open the front door if we don't latch it properly, which is often. Waking up to a cold house sucks! I designed a time delayed alarm with a couple of 555 timers, if the door is open for...
Laser Controlled Switch sngtech.co.cc 23 Aug 2011 | 12:26 am
This circuit is built around a 555 timer using very few components. Since the circuit is very simple, even a novice can easily build it and use it as a controlling device. A laser pointer, now e...
Growl and Scream Altoids Prank fightcube.hackhut.com 1 Apr 2011 | 08:27 pm
I had this idea for a growling and screaming altoids tin based on the 555 timer running in astable mode several days ago, and just today while reading Hackaday I see that Dino from Dinofab.com and Hac...
555 Timer Police Siren Circuit amplifierlab.com 11 Jun 2010 | 07:00 pm
Circuit Description Police siren circuit given here is a circuit based on NE 555 timer IC. This circuit uses two NE 555 ICs (IC1 and IC2) and which are the core working parts of this circuit. Here tw...
Voltage Doubler Circuit amplifierlab.com 10 Jun 2010 | 07:26 pm
Circuit Description The circuit diagram given here is a simple voltage doubler circuit. In this circuit the central part is the timer IC NE 555. This circuit also includes two transistors Q1 (BC 107)...
Stepper Motor Pulse Generator with 555 skemarangkaian.com 20 Feb 2013 | 06:15 am
The 555 Stepper Motor Pulse Generator kit will support you together with the pulse needed to drive your favorite DC Servo Motor application. This kit uses the well-known 555 timer IC for creating the ...
Code Practice Oscillator Using 555 Timer electronics-project-design.com 6 Mar 2013 | 12:32 pm
This simple code practice oscillator project for beginners to Continuous Wave Morse Code uses a 555 timer to generate a dit or dah sound when the key is pressed.
EEVblog T-Shirts eevblog.com 9 Aug 2013 | 03:46 pm
T-Shirts: 555 Timer Negative Feedback Fluxgate Condenser
7 Segment Counting drumcoder.co.uk 13 Aug 2013 | 12:30 am
http://drumcoder.co.uk/blog/2013/aug/06/555-timer-astable/ shows how to set up a 555 timer so that it outputs pulses that have the same length. We can use a 4026 decade counter to count these pulses a...
A DIY Vacuum Fluorescent Display Driver kerrywong.com 14 Jun 2013 | 05:31 am
In my previous post, I showed a simple vacuum fluorescent display filament driver built using a 555 timer and a custom hand-wound, center-tapped toroidal pulse transformer. And as promised in my earli...
