Review on π UCTRONICS DC Buck Converter Module - Step Down to USB 5V Transformer, 6V 9V 12V 24V to 5V 5A Dual Output Voltage Regulator Board [2 Pack] by Ken Beasom
Suitable for powering Raspberry Pi 4B
RPi reported low voltage. Tried several configurations, all reported low voltage. review written. Tried a few more configurations. Finally tried USB to Micro USB charging cables with 22ga power lines. IS WORKING! The problem is not with the converter, but with the Type-C charging cable circuitry, which relies on a higher voltage to increase performance. Poorly. Rest assured that these small boards can deliver the performance your RPi4 needs, but only with a strong enough cable.
- Constant test results
- Could have chosen a newer model
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