Review on XINGYHENG 2Pcs DC-DC Buck Voltage Converter Power Module Step-Down 4.5-40V 12V to 5V/2A + Power Supply Stabilizer Voltage Regulator with LED Voltmeter 5V USB Charger for Enhanced SEO by Darrell Kiley
Perfect for turning RC batteries into powerhouses!
I bought this to power my Pis without plugging it in. Pi shields usually cover your GPIO pins, so there's no easy way to install pi hat batteries. This little step-down circuit is generally handy to have on hand. Also, there is an empty 5v and ground pad on the sides of the USB if you want to solder the pins for extra power delivery. I did this to enable an extra fan for my Pi as screens with only one fan get hot.
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