YAML is from: https://community.home-assistant.io/t/mmwave-wars-one-sensor-module-to-rule-them-all/453260/2 Thanks to crlogic for the post, it was really helpful The ...

This ESP-01 Firmware from AI-Thinker support AT Command on ESP-01 and ESP-01S Module. STEP 1: Connect ESP-01 or ESP-01S Module to Laptop in Programming Mode (Short G0 Pin and GND Pin) STEP 2: Use ...