Search found 3 matches
- 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.
- 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...
- 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...