nostr:npub1k6p5wzec7lf6nd256gdajvx8clh5xm3hs44u4cdt5plw0740tq5s38ftn8 The "SparkFun MOSFET Power Control Kit" was perfect. I probably used dozens of them over the years.
Do you have a guide on doing a DIY version? It may be slightly beyond my skills to slap one together.