CPU QN9021 ARM Cortex-M0 Up to 32MHz
Memory64KB SRAM
Storage 128KB Flash
ROM 96KB Protocol stack
Bluetooth

BT4.0 Low Energy (BLE) Single Mode

Support Android/iOS

Central and Peripheral role

Up to 8 simultaneous links in Central role

Sensor

Battery monitor and temperature sensor

MPU6050 - 6-axis gravity acceleration sensor.

KEYReset Key x 1 、Joystick Key x 1
LEDProgramable LED x 3
DebuggingJTAG - Support SWD online simulation Onboard USB to serial
Reserved InterfaceOLED Display and 3V Battery Interface
Expand(22Pin)UART、SPI、I2C、PWM、GPIO
Power DDC5V - 1A