that tends to be my issue with a lot of cheap chinese stuff. if you can replace the firmware it's great, if you can't it's a worthless brick. I hear it's an iss

that tends to be my issue with a lot of cheap chinese stuff. if you can replace the firmware it's great, if you can't it's a worthless brick. I hear it's an issue with vending machines you can buy off ali express and such, but I do wonder how hard they'd be to wire up an esp32 or something