JJY repeater for raspi3

In order to caliblate the radio wave clock in a building, make the transmitter to simulate clock calibration wave from ntp of nict. The boad designs as an extention GPIO board for raspi (3,4,5, zero w). The PCB made by PCBWay works very fine as I expected.


May 08,2024
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PCB
HDI PCB
Assembly
FPC/
Rigid-Flex
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2 Layers
1.6mm
CNC
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Sheet Metal
3D Printing
Injection
Molding
Aluminum
Aluminum
Resin
ABS
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