Specification v1.9
Technical Specification
Production-ready specification for HomeFlowHub smart control panel.
Hardware
Core Components
Processor
- • ESP32-S3 (Dual-core Xtensa LX7)
- • Up to 240 MHz
- • 512KB SRAM, 8MB Flash
Display
- • 1.75" AMOLED
- • 320x385 resolution
- • Capacitive touch
Wireless
- • Wi-Fi 802.11 b/g/n (2.4GHz)
- • Bluetooth 5.0 LE
- • Integrated antenna
Power
- • AXP2101 PMIC
- • Li-Po battery support
- • USB-C charging
Physical Specifications
Dimensions
65mm × 85mm × 12mm
Weight
~45g (with battery)
Operating Temp
0°C to 40°C
Mounting
Desk stand / Wall bracket
Firmware
Platform & Framework
- • ESP-IDF v5.1+
- • FreeRTOS for task management
- • LVGL 8.x for UI rendering
- • Secure Boot v2 enabled
- • Flash encryption supported
Core Features
Connectivity
- • Wi-Fi provisioning via BLE
- • Automatic reconnection with exponential backoff
- • mDNS for local device discovery
Integrations
- • Philips Hue API v1.x (local bridge)
- • IFTTT Webhooks v1
- • OTA updates via HTTPS
Security
- • NVS encryption for sensitive data
- • TLS 1.2+ for all network requests
- • Certificate pinning for OTA
Power Management
Adaptive Power Modes
Dynamic frequency scaling and sleep modes optimize battery life
Active Mode
~150mAFull brightness, 80MHz CPU, Wi-Fi active
Dim Mode
~80mAReduced brightness, 40MHz CPU, Wi-Fi maintained
Light Sleep
~5mAScreen off, CPU paused, wake on touch or timer
Integrations
Philips Hue
Local bridge control via REST API
- • Automatic bridge discovery (UPnP/mDNS)
- • Light and group control
- • Scene activation
- • Real-time state updates
IFTTT Webhooks
Trigger applets with custom events
- • Configurable webhook URLs
- • Encrypted token storage
- • Up to 3 custom values per event
- • Visual feedback on trigger
Compliance & Certifications
Radio
- • FCC Part 15 (pending)
- • CE RED (pending)
- • IC RSS-247 (pending)
Safety
- • RoHS compliant
- • REACH compliant
- • UL/IEC 62368-1 (pending)