The Mini E-Paper S3 Kit combines an ESP32-S3 microcontroller, 1.02-inch E-Ink display, and LoRa wireless connectivity in a palm-sized package. Designed for portable IoT applications, this energy-efficient kit features a foldable antenna and 18350 battery support, making it ideal for remote sensors, asset trackers, and low-power handheld devices.
Features
📡 Long-Range Wireless
• Semtech SX1262 LoRa Chip
• Frequency Support: 868/915/923MHz
• Control Pins: , , , , , ,
🖥️ Sunlight-Readable Display
• 1.02-inch E-Paper Screen
• Interface Pins: , , , ,
• Grayscale Refresh: 0.3s typical
🔋 Portable Power Design
• 18350 Battery Holder (3.7V input)
• PCF85063ATL RTC for timekeeping during sleep
🔌 Expansion Interfaces
• QWIIC Connector: , , ,
• TF Card Slot: , , ,
Technical Specifications
| Parameter | Details |
|---|---|
| MCU | ESP32-S3 (16MB Flash + 8MB PSRAM) |
| Display | 1.02" E-Ink (Partial refresh supported) |
| LoRa Chip | Semtech SX1262 (Up to 10km range) |
| Battery | 3.7V 18350 Li-ion (Not included) |
| Interfaces | QWIIC, TF Card, GPIO Expansion |
| Dimensions | Ultra-compact |
What's Included
• Mini E-Paper S3 Main Board ×1
• (Optional) Foldable LoRa Antenna (typically bundled)