DIY Frequency Counter Without Microcontroller
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17:42
Toda casa precisa disso e ninguém precisa! Lamento não ter aprendido esse segredo aos 50 anos
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6:38
Awesome Little Frequency Counter Electronics Kit!
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24:09
HP 5342A Microwave Frequency Counter upgrade and we fire up the Cesium clock to calibrate it!
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15:29
Cheap Frequency Counter from eBay
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18:24
Frequency Counter And Crystal Tester / Meter - Assembly And Testing
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9:16
Latch Circuit - Wake up + 0 Power Consumption (useful circuit)
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26:39
PLJ-8LED (clone) frequency counter: useful - but has issues
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13:50