catalyst/flipflop
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2025-10-16 17:32:49 +00:00
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README.md
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@@ -11,6 +11,7 @@ View the attached images or open in Fritzing SW from https://fritzing.org/ to vi
Parts required to make the flip-flop circuit are: 2x LEDs; 2x 10 μF capacitors; 2x 470 Ohm resitors; 2x 100 kOhm resistors; 2x BC547 transistors; Parts required to make the flip-flop circuit are: 2x LEDs; 2x 10 μF capacitors; 2x 470 Ohm resitors; 2x 100 kOhm resistors; 2x BC547 transistors;
you will also need print yourself or have the circuit board printed for you for a fee, for example by uploading the .fzz file to https://aisler.net/ you will also need print yourself or have the circuit board printed for you for a fee, for example by uploading the .fzz file to https://aisler.net/
Gerber Files are available.
Q1 and Q2 are the BC547 transitor. Alternatilvy the equivalent 2N2222A can be used, it has slightly more gain than the BC547. However, the 2N2222A will have to be mounted rotated 180 degrees as it's pin out is the other way round than that of the BC547. Q1 and Q2 are the BC547 transitor. Alternatilvy the equivalent 2N2222A can be used, it has slightly more gain than the BC547. However, the 2N2222A will have to be mounted rotated 180 degrees as it's pin out is the other way round than that of the BC547.
@@ -22,7 +23,7 @@ you can choose LEDs of any color.
J1, J2, J3 are optional. Use to pick up the square waves and display on a oscilloscope. J3 is ground. J1, J2, J3 are optional. Use to pick up the square waves and display on a oscilloscope. J3 is ground.
Fritzing has a breadoard view: the project can be made without a PCB. Gerber Files are available. Fritzing has a breadoard view: the project can be made without a PCB.
This work is dedicated to the public domain. This work is dedicated to the public domain.