Components used in Examples ​

Adafruit 2791

Adapter Connector Stereo, 3.5mm TRS/TRRS breakout.

Adafruit LSM9DS1

Accelerometer with 3 acceleration channels, 3 angular rate channels, and 3 magnetic field channels. Supports I2C and SPI.

Adafruit PDM MEMS Microphone Breakout

PDM MEMS Microphone

Adafruit Ultimate GPS Breakout

High-quality GPS positioning module with -165 dBm sensitivity, 10 Hz updates, 66 channels.

AS606 Fingerprint Module

Fingerprint Scanner working by 5V power.

Arducam Mini 2MP Plus - OV2640 SPI Camera Module

A high definition 2MP SPI camer. Suppports I2C and SPI.


1-Wire Digital Temperature Sensor.

Dragino LoRa SX127x Shield

Long range transceiver.

Grove - Infrared Emitter

The Infrared Emitter is used to transmit infrared signals through an infrared LED.

Grove - Infrared Receiver

The Infrared Receiver is used to receive infrared signals and also used for remote control detection.

Ultrasonic Distance Sensor - HC-SR04

Ultrasonic distance sensor module.


6-Axis (Gyro + Accelerometer) MotionTracking Devices. Support I2C.

Adafruit 2.8” TFT LCD Touch Shield

ILI9341 TFT LCD display, touch screen with built in microSD card connection. Support SPI.


ILI9341 TFT LCD display, with built in microSD card connection. Support SPI.

PlanTower PMS3003 / PMS5003

Air quality sensor that detects concentration of micro particulate matters.

Realtek ALC5680 Audio Shield

Audio Codec Shield working by I2S


RFID reader/writer IC for contactless communication.

Sparkfun 11570

TRS/TRRS 3.5mm Jack Breakout.

Sparkfun HTU21D

Temperature & Humidity Sensor.

SparkFun SX1509 I/O Expander

16-channel GPIO expander with an I2C interface.

Tower Pro SG90

Tiny and lightweight servo with high output power.

Adafruit TXB0108

8-channel Bi-directional logic level converter.

USB to TTL Adapter

The USB TTL Serial cables are a range of USB to serial converter cables which provide connectivity between USB and serial UART interfaces.

WS2812 LED (4*4)

Intelligent control LED integrated light source.

Waveshare E-Ink display module (296x128, 2.9inch)

E-Ink display module, 2.9inch, 296x128 resolution, with embedded controller, communicating via SPI interface, supports partial refresh.

Please confirm that QQ communication software is installed