Review on HiLetgo DC DC Module Charger Arduino by Troy Coskillas
Handy power supply
I have a pack of 5 and I only use 1. I use this to power a Raspberry Pi 4 with a Pi Camera on a 24V power supply for 3D printers Power the USB wall charger with Octopi but I can't get them with this one. The voltage is less than 5 volts when the pi 4 is connected via USB power meter. The Pi doesn't take the full 3 amps. I expect the voltage to be even lower when drawing 3 amps. The polarity of the inputs is not marked but not difficult to determine. The negative input has continuity to the output ground.
- Good product for the price
- Nothing
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