Reverse alarm, ultrasonic sensor at basic oscilloscope frequency measurement

6:46 Testing of reverse alarm
10:51 Disassemble
12:47 Checking waveform and frequency using an oscilloscope
15:18 Manual reading of frequency using an oscilloscope


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Disclaimer:
This video is not sponsored.
I'm simply documenting my projects for informational purposes, this video is not an instruction. I assume no responsibility or liability for such damage or injury. Mains voltage is dangerous, any action you take upon the information on this channel is strictly at your own risk and responsibility.





#reverse
#alarm
#oscilloscope