77 lines
2.1 KiB
Markdown
77 lines
2.1 KiB
Markdown
# IoT Platform
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## Docker
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First install DockerDesktop and `docker-compose`:
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- https://www.docker.com/products/docker-desktop/
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- https://docs.docker.com/compose/install/
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Then you can export a path to mount as a volume and spin up the containers:
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```sh
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export DATA_DIR = /some/path/to/mount
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docker-compose --file software/container/docker-compose.yml up
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```
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### Mosquitto
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```sh
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mosquitto_sub -h localhost -t '#' -p 1883
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mosquitto_pub -h localhost -p 1883 -t '/' -m $(date --utc +%s)
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```
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### Grafana
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You can login to Grafana: http://localhost:3000/login (admin:admin)
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### NodeRed
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NodeRed is running here: http://localhost:1880/
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## Hardware
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### USB-C
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Our HelTec Automation Wirelsess Sticks ESP32 Dev-Boards already have USB-C. But they do not support Power Deliver (PD). If your computer tries to do PD, just plug a cheap USB hub between the board and your computer.
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### Arduino IDE
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We are using HelTec Automation Wirelsess Sticks ESP32 Dev-Boards. Their GitHub repo can be found here: https://github.com/HelTecAutomation/Heltec_ESP32
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I had to install VCP Drivers, first: https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers?tab=downloads
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You can add their Board Manager to the boards managers URLs: https://github.com/HelTecAutomation/Heltec_ESP32/blob/master/library.json and find their libraries in the IDE (Sketch -> Include Library -> Manage Libraries... Search for "heltec esp32").
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> These boards are already *V3* boards, so be careful selecting the right board and port (VCP).
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### Install esptool
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Esptool is a Pyhton program to flash ESP32. As it's a Pyhton tool you can install it using `pip`:
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```sh
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pip install esptool
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```
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### Find the port
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Usually you can find the used port using `esptool.py`:
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```sh
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esptool.py write_flash_status --non-volatile 0
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```
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#### Using MicroPython
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Download the firmware: https://micropython.org/download/
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Flash it using `esptool`: https://micropython.org/download/GENERIC_S3/
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```sh
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esptool.py --chip esp32s3 write_flash -z 0 ~/Desktop/GENERIC_S3-20220117-v1.18.bin
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```
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