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Circuits designed by David Johnson, P.E.
Last Updated on: Friday, December 29, 2017 02:53 AM

List of Dave's Circuit Designs

Text & Graphics Copyright David A. Johnson, PE  --  ALL Rights Reserved.
LINKING to Dave's circuits is permitted but DO NOT COPY CONTENT to your WEB SITE server!




Multi-Vibrator Circuits
 
Circuits Designed by Dave Johnson, P.E. :

D-Flip/Flop One Shot Circuit

Honeybee Counter

Indicates when it is Time to Dust

Is it Time to Dust?

LED Flashing Badge #1

LED Flashing Badge #2

Low Power H Bridge Motor Controller

Low Power Oscillators

On/Off Flip/Flop Circuit with Automatic Timeout

One Shot (D-Flip/Flop) Circuit

Pulse Period to Voltage Converter

Pushbutton Oneshot & Latch

Touch Activated Switch

Two Transistor Oscillators

Ultra Low Power Astable Multivibrator

Very Low Power Astable Multivibrator

1.5V Touch Activated Switch

12v Touch Switch Exciter Circuit

2 Transistor Oscillators

Accurate One Shot Pulse Generator

Advertising Badge #1 with Flashing LED

Advertising Badge #2 with Flashing LED

Delayed Pulse Generator


 

Dave's Circuits

Hobby Circuits

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  David A. Johnson, P.E. about these circuits

 


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