EleksCava Hardware Specifications
Core Components
- Main Controller:ESP32-WROOM-32
- Display:2.9-inch black-and-white E-Ink screen
- LED:WS2812B RGB LED ×5
- Buttons:3 touch-sensitive keys
- Buzzer:Passive buzzer
- Interface:USB-C (serial communication supported)
- Power Management:TP4056 charging controller
Power Interface
- Charging IC:TP4056
- Power source:USB or battery
- Battery:3.7V 1200mAh (PH2.0)
- Note:Battery not included by default. If purchased separately, use 3.7V 1200mAh (PH2.0 positive) specification.
- Charge current:1A
- Protection:Overcharge, overdischarge, short circuit
USB Interface
- Type:USB-C
- Function:Serial communication
- Baud rate:115200
- Use:Firmware upload, debugging
Display Interface
- Type:2.9-inch E-Ink display (electronic paper)
- Resolution:296 × 128 pixels
- Colors:Black and white (1-bit)
- Viewing angle:Nearly 180°
- Protocol:SPI
- Refresh:Partial/full, 1–2s per cycle
- Power consumption:Ultra-low (only consumes power when refreshing)
LED Interface
- Type:WS2812B RGB LEDs
- Features:Programmable brightness and effects
Touch Button Interface
- Type:Capacitive input
- Features:Supports combination input with debounce
Buzzer Interface
- Type:Passive buzzer for alert tones