Variable voltage DC power supply with ammeter.
thingiverse
As I already had some extra parts from other projects and I was always in need of a variable power supply, I decided to join a DC DC converter with an voltmeter, both bought from Amazon, to also reuse one of my many stored fixed DC power supplies to join all in this variable DC power supply. Not many more things to say... Below are the Amazon links. DC-CD Converter: https://www.amazon.es/dp/B0823P6PW6/ref=cm_sw_em_r_mt_dp_U_W.l.EbZ98EGP5 Voltmeter: https://www.amazon.es/dp/B07GFCVSYH/ref=cm_sw_r_other_apa_i_m8l.EbYSC44QP
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