Miniature Frequency Probe measures 1Hz to 5MHz

Miniature Frequency Probe measures 1Hz to 5MHz

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David Johnson-Davies shared another great and mini project on his blog. He writes:

The Frequency Probe is a handheld tool designed to help you debug your circuits by giving a visual indication of the frequency or voltage at the probe. For a periodic waveform it gives a digital readout of the frequency, with a range of about 1Hz to 5MHz and an accuracy of better than 0.3%. For a voltage level it gives a readout of the voltage. It is based on an ATtiny84A, and is powered from a small Lipo cell.

Miniature Frequency Probe measures 1Hz to 5MHz – [Link]

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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