555 Short High Pulse Astable
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This circuit can be used with different component values to generate > 10 microsecond pulses and 40 millisecond spaces for the SRF05 ultrasound range finder. Finding the correct resistor and capacitor values is interesting and pushes the circuit to the limits of the available component values.
For the Falstad Circuit Simulation, CTRL+Click Short Pulse Generator
In options, check European Resistors and uncheck Conventional Current.
Alternatively view 555_Short_Pulse.txt.
Save or copy the text on the web page. Import the saved or copied text into the Falstad simulator.
Here is the new HTML5 Simulator Site.
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