Posts Tagged Circuit

Square Wave Generator with Adjustable Frequency 1Hz to 1Khz

Recently I needed a square wave to mess around with some filters, however I didn’t have one. So I decided to build one based on the ever so popular 555 timer chip! ┬áMy inspiration is from the Australia electronics magazine Talking Electronics, the project is in Issue 3. After a bit of research about the 555 and how it works, I created the final circuit ready to be used. The circuit is below (I still don’t have a proper circuit schematic drawer program, so please excuse the illustration):

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