infinite-tree/auto-pump

runs a pump until it goes dry

auto-pump

runs a pump until it goes dry. Also sends info to influxdb

Hardware Assumptions

You're running an ESP32. We use this WROVER one

You have a powerful enough relay/contactor to flip on your "pump". We use these:

• 380V 25A relay

Other Electronics

• ACS712 Current sensor
• TM1637 4 segment LCD
• Encoder knob

Python Modules

• https://github.com/mcauser/micropython-tm1637
• https://github.com/infinite-tree/micropython-encoder-knob

Building & Installing

MicroPython Environment Installation

Download micropython (spiram-idf4) here

sudo apt get install esptool
esptool.py --port /dev/ttyUSB0 erase_flash
esptool.py --port /dev/ttyUSB0 --baud 460800 write_flash --flash_size=detect 0x1000 ./micro-python/esp32spiram-idf4-20191220-v1.12.bin

Installing the Python code

pip3 install adafruit-ampy --upgrade
ampy --port /dev/ttyUSB0 put config.py /config.py
ampy --port /dev/ttyUSB0 put tm1637 /tm1637.py
ampy --port /dev/ttyUSB0 put encoder.py /encoder.py
ampy --port /dev/ttyUSB0 put main.py /main.py