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#+TITLE: firmware: network of CO2 sensors
* commands used to flash device
esptool.py --port /dev/ttyUSB0 erase_flash
esptool.py -p /dev/ttyUSB0 --baud 450800 --chip esp8266 write_flash 0x00000 esp8266-20191220-v1.12.bin
(use rshell to upload main.py, settings.py)
./flash.sh
* commands used to read from sensor
i2c=I2C(scl=Pin(4), sda={␛[␛[KPin(5), freq=10000)
i2c.writeto(104, "\x22\x00\x08\x2A".encode())
i2c.readfrom(104, 4)
* commands used to interact with device
conda activate micropython
rshell
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