So hello again! :D I just wondered if the Powerboost by Adafruit or the banggood psu has a built in battery protection because I've found some really cheap 4ah li-ion cells on Amazon that look like AA batteries. And if one of those boards doesn't have a protection, could you please suggest me a prot...

Ok! Thx for the fast reply!

Hello Guys! I recently started to work on a mintyPi and collected the Parts for it so far. But then i recognized , that Helder didn't have the mintyPi board available so I decided to do the pcb myself. And then came the question: Should I use a teensy or not? PS.: I'm new in the electronic section a...