Search found 3 matches

by Dogostyle
Sun Aug 02, 2020 4:18 pm
Forum: General Discussion and Questions
Topic: check lipo battery level?
Replies: 8
Views: 4162

Re: check lipo battery level?

I think you would need a estabilized reference voltage for ADC measurements, a simple way would be to use a zener diode as a voltage regulator in the range of battery level and use it as a reference. It will draw a bit of current if you're thinking about power saving though.
by Dogostyle
Sun Aug 02, 2020 4:33 am
Forum: General Discussion and Questions
Topic: machine.SDCard doesn't work in my setup
Replies: 0
Views: 1936

machine.SDCard doesn't work in my setup

Hi people of micropython, I hope you're doing well. I'm currently working on a project on the Heltec Wifi LoRa 32 https://heltec.org/project/wifi-lora-32/ . I'm using an microSD card for logging purposes and I'm trying to migrate from the sdcard.py library at https://github.com/micropython/micropyth...
by Dogostyle
Fri Feb 08, 2019 4:58 pm
Forum: ESP32 boards
Topic: i2s compatibility
Replies: 29
Views: 24305

Re: i2s compatibility

update: PR for I2S support is submitted: https://github.com/micropython/micropython/pull/4471 usage guide and examples describing how to use this new I2S class: https://github.com/miketeachman/micropython-esp32-i2s-examples It would be great if a few enthusiasts could try out this PR and report bac...