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Description
Size
- 72 x 57 x 12 mm (L x W x H)
Main Chip
- Core Processor: ARM Cortex-M4F
- Maximum Speed: 200 MHz
- External Flash: 4 MBytes
- Operating Temperature: -40 ~ 85 °C (TA)
LCD Screen
- Resolution: 320 x 240
- Display Size: 2.4 inch
- Drive IC: ILI9341
Wireless Connectivity
- KM4 CPU: ARM Cortex-M4F @ 200 MHz
- KM0 CPU: ARM Cortex-M0
- Wi-Fi: 802.11 a/b/g/n 1x1, 2.4 GHz & 5 GHz
- Bluetooth: Support BLE5.0
Built-in Modules
- Accelerometer: LIS3DHTR
- Microphone: 1.0 - 10 V -42 dB
- Speaker: ≥78 dB @10 cm 4000 Hz
- Light Sensor: 400-1050 nm
- Infrared Emitter: 940 nm
Interface
- MicroSD Card Slot: Maximum 16 GB
- GPIO: 40-PIN (Raspberry Pi Compatible)
- Grove: 2 (Multifunction)
- FPC: 20-Pins
- USB Type-C: Power & USB-OTG
Operation Interface
- 5-Way Switch
- Power/Reset Switch
- User-defined button *3
- Materials: ABS+PC