DiscoverCircuits.com, has 28,000+ electronic circuits, cross-referenced
into 500+ categories.    We have searched the web to help you find quick design ideas.
We make every effort to link to material posted by the designer. 
Please let us if you would like us to link to your design.

2 Tone Train Horn:  (schematic / circuit added 11/06)

2 Watt Switching Power Supply:  from 6V to14V (added 6/06)

A "maxi" speed control with brake:  A "maxi" speed control with brake (circuit added 11/06)

A digital speed control with BEC :  A digital speed control with BEC (electronic design added (11/06)

A miniature high-rate speed control:  A miniature high-rate speed control published in  newsletter published by Electric Model Flyers' of Southwestern Ontario (diagram add

A miniature low-rate speed control:  A miniature low-rate speed control published in  newsletter published by Electric Model Flyers' of Southwestern Ontario (diagram added 11/06)

A simple miniature speed control with brake:  A simple miniature speed control with brake (circuit added 11/06)

AN-673: 2-Way Multiplexed LCD Drive and Low Cost A/D-Converter using V/F Techniques with COP8 Microcontrollers:  National Semiconductor Application Note   (app note added 6/06)

AN847: RC Model Aircraft Motor Control:  Microchip Application Note Published 18-Jul-02   (app note added 2/06)

Analog Bargraph Expanded Scale Voltmeter:  (electronic design added 11/06)

Capacitor Discharge  Switch Machine Power Supplies (E+F):  (electronic circuit added 4/05)

Computer Controlled Model Train Set:  (electronic circuit added 4/05)

DC Motor Pulse Width Modulation Speed Control:  This is a circuit for controlling the speed of small DC motors, it works nicely as a speed controller for an HO or N gauge model railroad. (electronic diagram added 11/06)

Digital Speed Control for RC Car:  DC motor PWM controller that takes the1ms to2ms pulse from the RC receiver and converts it into a PWM train at1Khz (added 6/06)

Digital speed control with BEC :  A digital speed control with BEC (electronic design added (11/06)

Electronic NiCad Glow Plug Driver:  (circuit / schematic design added 6/06)

Electronic Speed Controler for R/C Models:  Here's how you can make an electronic speed controler (ESC) for your remote control car, boat or even an airplane using an old servo and some MOSFETS…. (electronic design added 11/06)

Glowplug Driver (a):  (circuit / schematic design added 6/06)

Glowplug Panel (b):  (circuit / schematic design added 6/06)