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Dave Williams | DitroniX | G8PUO
2026-06-18 15:50:23 +01:00
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YAML Examples/WREN C5/README.md
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This is a working development code for WREN, within Home Assistant. This is a working development code for WREN, within Home Assistant.
![WREN C5 in ESPHome](https://github.com/DitroniX/Home-Assistant-Dev/blob/main/YAML%20Examples/WREN%20C5/wren-c5-esphome.png)
### **Code Development** ### **Code Development**
Being primarily a hardware engineer and not understanding YAML, I have enlisted some help. Being primarily a hardware engineer and not understanding YAML, I have enlisted some help.
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### Purpose ### Purpose
This firmware runs on the ESP32-C5 and provides control and monitoring for a dual-motor actuator system using a TCA6408A I²C GPIO expander and motor driver circuitry. This firmware runs on the ESP32-C5 and provides control and monitoring for a dual-motor actuator system using a TCA6408A I²C GPIO expander and motor driver circuitry.
The firmware performs: The firmware performs:
@@ -78,13 +80,13 @@ The ESP32-C5 is the main controller and performs:
- Fault detection - Fault detection
- I²C communications - I²C communications
- Sensor monitoring - Sensor monitoring
- ESPHome integration - ESPHome integration
### TCA6408A I/O Expander (I²C Address 0x21) ### TCA6408A I/O Expander (I²C Address 0x21)
The TCA6408A provides eight output signals. The TCA6408A provides eight output signals.
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### TMP102 Temperature Sensor ### TMP102 Temperature Sensor
I²C Address: 0x4A I²C Address: 0x4A
Provides: Provides:
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- ESPHome integration - ESPHome integration
- I²C-based output expansion - I²C-based output expansion
The design prioritizes safe motor shutdown and automatic recovery while maintaining simple integration with Home Assistant and ESPHome. The design prioritizes safe motor shutdown and automatic recovery while maintaining simple integration with Home Assistant and ESPHome.