... and latch design are typical of JST PH connectors. To replace:Female Side (Cable): Search for “JST PH 2.0mm 2-Pin Female Connector with Wires” (pre-assembled).Male Side (PCB): Look for “JST PH 2.0mm 2-Pin Male Header” to solder onto the PCB. Alright, that mess on the board? Totally fixable. You can try this: Grab some isopropyl alcohol (the stronger, the better – like 90%+). Find a Soft toothbrush (or anything Soft-bristled). No need to get aggressive here; gentle scrubbing works best. Dip the brush in alcohol and start scrubbing off the gunk. For real ...

... They’re also cheaper and easier to find, which makes them great for most everyday electronics projects—like if you just WAnt to power an Arduino or some sensors and aren’t too fussy about space. In general, Li-ion is a nice, reliable option if you’re not pushing high current or cramming everything into a super tight space. Li-Po batteries, on the other hand, come in those thin, Soft pouches and can be shaped in all sorts of WAys, which is awesome if you’re building something with unusual dimensions or you need to save every millimeter of space. They can al ...