Heiko2u

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Heiko2u's instructable Bluetoth Headset Battery Upgrade's weekly stats:
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Heiko2u posted an instructable Upgrade Your Bluetoth Headset Battery Capacity
- Upgrade Your Bluetoth Headset Battery Capacity View Instructable »
Heiko2u's instructable Calibrate a Mechanical Watch Using Sound Waves's weekly stats:
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Heiko2u commented on Heiko2u's instructable Calibrate a Mechanical Watch Using Sound Waves
Yes, that correct. Twice the frequency is used to calculate the vibrations per hour. I used the frequency because it was easy to do the math.
I am planning to get an oscilloscope. I will try to calibrate with it too, for sure!
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Heiko2u posted an instructable Calibrate a Mechanical Watch Using Sound Waves
- Calibrate a Mechanical Watch Using Sound Waves View Instructable »
Heiko2u's instructable DIY Wattmeter using Arduino Uno's weekly stats:
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Heiko2u posted an instructable DIY Wattmeter using Arduino Uno
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Heiko2u followed 3D-Printing, electronics, leds and photography channel