ESP 8266 AWS IoT Temperature Sensor

This is a companion codebase to this medium article.

This project creates an IoT Temperature sensor sending data to AWS for processing. In the end it produces a graph like this:

Prerequisites

Hardware

All hardware components necessary for this project add up to around $30.

• ESP8266 NodeMCU or ESP32 board ~$6 example

• 10k Ohm Thermistor ~$7/20pcs example

• 10k Ohm Resistor ~$6/100pcs example

• Breadboard ~$6/6pcs example

• 1 x M-M jumper wire. ~$7 They only sell packs, like this one.

• (optional) USB Battery Pack ~$11 example

Software

• Python 3.x
• terraform
• jq
• AWS account

Set up

Create a Python virtual environment: python -m venv .venv

Activate it: source .venv/bin/activate

Upgrade pip: pip install --upgrade pip

Install all dependencies: pip install -r requirements.txt