CPU QN9021 ARM Cortex-M0 Up to 32MHz
Memory64KB SRAM
Storage128KB Flash
ROM96KB Protocol stack

BT4.0 Low Energy (BLE) Single Mode

Support Android/iOS

Central and Peripheral role

Up to 8 simultaneous links in Central role


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
Power DC5V - 1A