Just a small heads up with these red ones, I got them and the resistor near USB is fixed, but unlike with black ones I got before, these red ones come with some arduino blinking example preflashed on top of uf2 bootloader so the double tap reset is needed to get to the bootloader.People reported the pair from https://www.aliexpress.com/item/1005007738886550.html is good (it is probably targeted for building splitted two part keyboard) Most older boards from other sellers may have wrong pull up resistor causing leakage but it can be easily scratched off/crushed (or desoldered) as it is not really needed. These newer ones should be OK and should work out of box wit no leakage.
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This SuperMIni already have uf2 bootloader and comes empty so you just drop uf2 file on the drive when you plug it in like with Pico
Also one of the two red boards was bad, so I got first bad one. Well, you get what you pay for. I already have another pair ordered so if it happens again I will return the bad pair (the 'Choice' shipping actually allows free returns for no reason). The bad board works fine except that it constantly draws 40mA from the battery so something is wrong there, I measured 117 ohms between VDD and GND pads on the back - very different from the good one - possibly some bad capacitor between VDD/GND. BTW here is schematics from one seller.
Statistics: Posted by fanoush — Tue Nov 05, 2024 9:49 am