CloudCost Automation
ESP32 Master
NRF24L01 RF
Triac Load Control
Google Apps Script
Google Sheets
Bluetooth Fallback
Triac Phase Control
Offline Sync
Automated Logging
Start: February 1, 2025
Complete: April 15, 2025
Duration: 2.5 Months
Overview
CloudCost Automation is an IoT smart load control solution featuring a master-slave ESP32 design with RF communication, cloud-free storage on Google Drive via Apps Script, and offline fallback via Bluetooth. Ideal for cost-effective, scalable home and industrial automation.
Technical Architecture
- 🔸Master Module: ESP32 handles Wi-Fi sync, Bluetooth fallback, and RF to slaves.
- 🔸Slave Module: NRF24L01 receives commands, controls loads through TRIACs for phase-angle control.
- 🔸Cloud Integration: Google Sheets backend managed by Apps Script—no hosting fees.
Key Features
| Feature | Description |
|---|---|
| Low-Cost | Utilizes ESP32, NRF24L01, TRIAC for affordable deployment. |
| Cloud Storage | Free, real-time sync to Google Sheets. |
| Offline Control | Bluetooth fallback maintains local control. |
| Manual Sync | Physical switches update cloud instantly. |
| Phase Control | Triac-based fan speed and dimmer control. |
| Scalable | Add multiple slaves with unique RF IDs. |
Use Cases & Future
- 🔹 Home & industrial automation.
- 🔹 Energy usage analytics & predictive control.
- 🔹 Voice integration & OTA updates.