| Microcontroller |
Raspberry Pi Pico / Pico2 W |
ESP8266 (ESP-12F) |
| Number of relays |
2 |
2 |
| Number of digital inputs |
2 |
2 |
| 1-Wire sensor support |
✅ |
✅ |
| Communication |
Wi-Fi (built-in) |
Wi-Fi (built-in) |
| Home Assistant support |
MQTT (MicroPython-based firmware) |
MQTT (Tasmota or ESPHome) |
| Web interface |
Custom firmware only |
✅ (e.g. Tasmota WebUI) |
| OTA updates |
Custom implementation required |
✅ (Tasmota / ESPHome) |
| Programming options |
MicroPython, CircuitPython, C/C++ |
Arduino IDE, ESPHome, Tasmota, C/C++ |
| Example firmware |
✅ Demo code with MQTT support |
✅ Works with existing open-source tools |
| Who is it for? |
Developers, hobbyists, coders |
Home Assistant users, system integrators |