555 timer based projects list

  1. Keypad Encoder IC with Serial Output Schematic Circuit Diagram
    The EDE1144 Keypad Encoder IC from E•Lab Digital Engineering (www.elabinc.com) is designed to interface a matrix-type 4 row × 4 column (16-key or less) keypad to a microcontroller or other…
  2. SW Converter for Digital AM Car Radio Schematic Circuit Diagram
    This circuit is purposely presented with many loose ends (not literally, of course) to stimulate experimenting with RF circuitry at a small outlay. Looking at the circuit diagram you may…
  3. Alternating Blinker Schematic Circuit Diagram
    The circuit represents a general-purpose astable multivibrator that alternatively energizes two heavy loads via a relay (in this case, the loads are 12-V incandescent lamps). In contrast to an ‘analogue’…
  4. Simple Remote Control Tester Schematic Circuit Diagram
    Nearly always when a remote control doesn’t work, the underlying problem is elementary: the unit does not emit light. The cause may be dry solder joints, defective LEDs etc., but…
  5. USB Charger using Pedal Power Schematic Circuit Diagram
    Keen cyclists will no doubt have sometimes thought that it would be nice to have some kind of on-board power supply to charge a mobile device such as a phone…
  6. FreePCB Free Electrical Schematic Diagram Software
    Introduction: FreePCB is a free, open-source PCB editor for Microsoft Windows, released under the GNU General Public License. It was designed to be easy to learn and easy to use,…
  7. KiCad Free Electrical Schematic Diagram Software
    Schematic Capture With the schematic editor, you can create your design without limit; there are no paywalls to unlock features. An official library for schematic symbols and a built-in schematic…
  8. WAV Doorbell Schematic Circuit Diagram
    This electronic doorbell is essentially a small WAV file player based around an ATmega328P. When a guest presses the bellpush the device is activated and plays out a short WAV…
  9. Simple Low Cost Square Wave Generator & Tester Schematic Circuit Diagram
    This square wave generator and tester is based on audio amplifier chip type TBA820M. It is presented as a design idea for further refinement and optimizing of component values by…
  10. PSPICE 9.1 Free Electrical Schematic Diagram Software
    PSPICE 9.1 Free Electrical Schematic Diagram Software have many types of software application provide you to work on. PSPICE 9.1 Free Electrical Schematic Diagram Software applications are mentioned below; LTpowerCAD…
  11. Dia Free Electrical Schematic Diagram Software
    Overview Dia Free Electrical Schematic Diagram Software is a program to draw structured diagrams. Screenshot More screenshots. Requirements The current Dia release has been tested successfully on Windows 8.1, 8, 7,…
  12. SmartDraw Free Electrical Schematic Diagram Software
    SmartDraw Free Electrical Schematic Diagram Software Best Online Wiring and Circuit Diagram Software SmartDraw Free Electrical Schematic Diagram Software is the easiest circuit diagram maker on the market today. Here's…
  13. Arc Welding Effect for Model Railway Layouts Schematic Circuit Diagram
    Now and again modelers looking to add something special and individual to their layout will want a miniature arc welding simulator. This project demonstrates that you need barely anything more…
  14. Current Source for Grounded Load Schematic Circuit Diagram
    Creating a current source (as opposed to current sink) for driving a grounded load can be a bit awkward. Admittedly the suggested circuit cheats a little in that the load…

 

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