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DFRobot Products (DFR) Index
DFR0748 Kitty Flower
DFR0677 ONPOWER UPS HAT for Raspberry Pi
DFR0646-G DFR0646-R 8-Digital LED Segment Display Module
DFR0645-G DFR0645-R 4-Digital LED Segment Display Module
DFR0627 IIC to dual UART module
DFR0626 MCP23017 IIC to 16 digital IO expansion module
DFR0605 Gravity: Digital RGB LED Module
DFR0604 I O Expansion HAT for Pi zero V1.0
DFR0597 7x71 Flexible RGB LED Matrix
DFR0592 DC Motor Driver HAT
DFR0591 raspberry pi e-ink display module V1.0
DFR0580 Solar Power Manager For 12V Lead-Acid Battery
DFR0578 Gravity I O Expansion Shield for OpenMV Cam M7
DFR0577 Gravity I O Expansion Shield for Pyboard
DFR0576 Gravity Digital 1-to-8 I2C Multiplexer
DFR0575 Beetle ESP32
DFR0564 USB Charger for 7.4V LiPo Battery
DFR0563 Gravity 3.7V Li Battery Fuel Gauge
DFR0566 IO Expansion HAT for Raspberry Pi
DFR0565 Gravity Digital Signal Isolator
DFR0559 Solar Power Manager 5V
DFR0558 Gravity Digital High Temperature Sensor K-type
DFR0555\DF0556\DFR0557 Gravity I2C LCD1602 Arduino LCD Display Module
DFR0553 Gravity I2C ADS1115 16-Bit ADC Module Arduino & Raspberry Pi Compatible
DFR0552 Gravity 12-Bit I2C DAC Module
DFR0550 5'' TFT-Display with Touchscreen V1.0
DFR0548 Micro bit Driver Expansion Board
DFR0536 Micro bit Gamepad Expansion Board
DFR0535 Solar Power Manager
DFR0534 Voice Module
DFR0531 FireBeetle Covers-ePaper Black&White&Red Display Module
DFR0529 2.2 inches TFT LCD Display V1.0 (SPI Interface)
DFR0528 UPS HAT for Raspberry Pi Zero
DFR0524 5.5 HDMI OLED-Display with Capacitive Touchscreen V2.0
DFR0523 Gravity Digital Peristaltic Pump
DFR0520 Dual Digital Pot 100K
DFR0518 Micro Mate- A Mini Expansion Board for micro bit
DFR0515 FireBeetle Covers-OSD Character Overlay Module
DFR0514 DFR0603 IIC 16X2 RGB LCD KeyPad HAT V1.0
DFR0513 PPM 2x3A DC Motor Driver
DFR0511 FireBeetle Covers-ePaper Black&White Display Module
DFR0508 FireBeetle Covers-DC Motor & Stepper Driver
DFR0507 FireBeetle Covers-OLED12864 Display
DFR0506 7'' HDMI Display with Capacitive Touchscreen
DFR0505 SIM7000C Arduino NB-IoT LTE GPRS Expansion Shield
DFR0504 Gravity Analog Signal Isolator
DFR0503 Embedded Thermal Printer - TTL Serial
DFR0502 Gravity IO Expansion & Motor Driver Shield V1.1
DFR0499 64x64 RGB LED Matrix - 3mm pitch
DFR0498 FireBeetle Covers-Camera&Audio Media Board
DFR0494 Raspberry Pi UPS HAT
DFR0492 FireBeetle Board-328P with BLE4.1
DFR0489 FireBeetle ESP8266 IOT Microcontroller
DFR0487 FireBeetle Covers-24×8 LED Matrix
DFR0483 FireBeetle Covers-Gravity I O Expansion Shield
DFR0478 FireBeetle ESP32 IOT Microcontroller(V3.0)
DFR0473 Digital Relay Module
DFR0472 32x32 RGB LED Matrix - 4mm pitch
DFR0471 32x16 RGB LED Matrix - 6mm pitch
DFR0469 Gravity I2C SD2405 RTC Module
DFR0464 Gravity I2C 16x2 Arduino LCD with RGB Backlight Display
DFR0463 Gravity Flexible 16x16 RGB LED Matrix
DFR0462 Gravity Flexible 8x32 RGB LED Matrix
DFR0461 Gravity Flexible 8x8 RGB LED Matrix
DFR0460 64x32 RGB LED Matrix - 4mm Pitch/64x32 Flexible RGB LED Matrix-4mm Pitch/64x32 Flexible RGB LED Matrix-5mm Pitch
DFR0459 8x8 RGB LED Matrix
DFR0457 Gravity MOSFET Power Controller
DFR0453 DFRobot CurieNano
DFR0448 LED String Lights Warm White
DFR0440 The Micro Vibration Module
DFR0439 LED String Lights Colorful
DFR0438 Bright LED Module
DFR0428 3.5 inches TFT Touchscreen for Raspberry Pi
DFR0423 Self-Locking Swicth
DFR0420 Audio Shield For DFRduino M0
DFR0416 Bluno M0 Mainboard
DFR0412 Gravity IO Expansion Shield For DFRduino M0
DFR0411 Gravity 130 DC Motor
DFR0399 DC Micro Metal Gear Motor 75 1 w Driver
DFR0398 Romeo BLE Quad Robot Controller
DFR0392 DFRduino M0 Mainboard
DFR0387 TELEMATICS 3.5 TFT Touch LCD Shield
DFR0382 LED Keypad Shield V1.0
DFR0375 Cookie I O Expansion Shield V2
DFR0374 DFR0396 LCD Keypad Shield V2.0
DFR0371 IO Expansion Shield for Bluno M3
DFR0370 CAN-BUS Shield V2
DFR0360 XSP - Arduino Programmer
DFR0356 Bluno Beetle Shield
DFR0355 SIM808 with Leonardo mainboard
DFR0351 Romeo BLE mini V2.0
DFR0348 3.5 TFT Touch Shield with 4MB Flash for Arduino and mbed
DFR0347 2.8 TFT Touch Shield with 4MB Flash for Arduino and mbed
DFR0343 UHex Low-power Controller
DFR0342 W5500 Ethernet with POE Mainboard
DFR0339 Bluno Beetle
DFR0334 GPIO Shield for Arduino V1.0
DFR0332 Fan Module
DFR0331 Romeo for Edison Controller
DFR0311 Raspberry Pi Meet Arduino Shield
DFR0329 Bluno M3
DFR0327 Arduino Shield for Raspberry Pi 2B and 3B
DFR0323 Bluno Mega 2560
DFR0321 Wido-WIFI IoT Node
DFR0316 MCP3424 18-Bit ADC-4 Channel with Programmable Gain Amplifier
DFR0312 Raspberry Pi GPIO Extension Board
DFR0306 Bluno Mega 1280
DFR0305 RoMeo BLE
DFR0304 BLE Wireless Gamepad V2
DFR0302 MiniQ 2WD Plus
DFR0300 Gravity Analog Electrical Conductivity Sensor Meter V2 K=1
DFR0299 DFPlayer Mini
DFR0300-H Gravity: Analog Electrical Conductivity Sensor(K=10)
DFR0296 Bluno Nano
DFR0290 RLY-8-RS485 8 Relay Controller
DFR0289 RLY-8-POE Relay Controller
DFR0287 LCD12864 Shield
DFR0283 Dreamer Maple V1.0
DFR0282 Beetle
DFR0273 Speech Synthesis Shield
DFR0271 GMR Board
DFR0270 Accessory Shield for Arduino
DFR0267 Bluno
DFR0265 IO Expansion Shield for Arduino V7
DFR0259 Arduino RS485 Shield
DFR0233 RS485 Sensor Node V1.0
DFR0231 NFC Module for Arduino
DFR0225 Romeo V2-All in one Controller R3
DFR0222 X-Board Relay
DFR0210 Bees Shield
DFR0205 Power Module
DFR0202 RGB LED Matrix
DFR0188 Flymaple V1.1
DFR0182 Wirless GamePad V2.0
DFR0165 Mega IO Expansion Shield V2.3
DFR0162 X-Board V2
DFR0154 I2C TWI LCD2004 Module Arduino Gadgeteer Compatible
DFR0151 Gravity I2C DS1307 RTC Module
DFR0144 Relay Shield for Arduino V2.1
DFR0143 Triple Axis Accelerometer MMA7361
DFR0136 Flyduino-A 12 Servo Controller
DFR0133 X-Board
DFR0117 Gravity I2C EEPROM Data Storage Module
DFR0107 IR Kit
DFR0105 Power Shield
DFR0100 DFRduino Beginner Kit For Arduino V3
DFR0095 DIGITAL IR Transmitter Module
DFR0094 Digital IR Receiver Module
DFR0091 3-wire Serial LCD Module Arduino Compatible
DFR0090 3-Wire LED Module
DFR0076 Flame sensor
DFR0075 ADKeyboard Module
DFR0071 SD Module
DFR0067 DHT11 Temperature and Humidity Sensor
DFR0066 SHT1x Humidity and Temperature Sensor
DFR0064 386AMP audio amplifier Module
DFR0063 I2C TWI LCD1602 Module Gadgeteer Compatible
DFR0062 WiiChuck Adapter
DFR0061 Joystick Module For Arduino
DFR0058 Analog Rotation Sensor V2
DFR0057 Sensor Motor Drive Board - Version 2.2
DFR0054 Analog Rotation Sensor V1
DFR0053 Analog Slide Position Sensor
DFR0052 Analog Piezo Disk Vibration Sensor
DFR0051 Analog Voltage Divider
DFR0049 Analog Gas Sensor (QM-NG1)
DFR0034 Analog Sound Sensor
DFR0032 Digital Buzzer Module
DFR0033 Digital magnetic sensor
DFR0030 DFRobot Capacitive Touch Sensor
DFR0029 DFRobot Digital Push Button
DFR0028 DFRobot Tilt Sensor
DFR0027 DFRobot Digital Vibration Sensor V2
DFR0026 DFRobot Ambient Light Sensor
DFR0024 Gravity DS18B20 Temperature Sensor V2
DFR0023 DFRobot LM35 Linear Temperature Sensor
DFR0022 DFRobot Grayscale Sensor
DFR0019 Prototyping Shield For Arduino
DFR0017 Relay Module Arduino Compatible
DFR0015 Xbee Shield For Arduino no Xbee
DFR0013 IIC to GPIO Shield V2.0
DFR0010 Arduino Nano 328
DFR0009 LCD KeyPad Shield For Arduino
Sensor (SEN) Index
SEN0313 A01NYUB Waterproof Ultrasonic Sensor
SEN0312 ME007YS Waterproof Ultrasonic Sensor
SEN0311 A02YYUW Waterproof Ultrasonic Sensor
SEN0308 Waterproof Capacitive Soil Moisture Sensor
SEN0307 URM09 Ultrasonic Sensor Gravity Analog
SEN0305 HUSKYLENS AI Machine Vision Sensor
SEN0304 URM09 Ultrasonic Sensor (Gravity-I2C) (V1.0)
SEN0301 Water-proof Ultrasonic Sensor ULA
SEN0300 Water-proof Ultrasonic Sensor ULS
SEN0291 Gravity: I2C Digital Wattmeter
SEN0290 Gravity: Lightning Sensor
SEN0289 Gravity: Digital Shake Sensor
SEN0264 TS01 IR Thermal Sensor (4-20mA)
SEN0262 Gravity Analog Current to Voltage Converter (4~20mA)
SEN0259 TF Mini LiDAR ToF Laser Range Sensor
SEN0257 Gravity Water Pressure Sensor
SEN0253 Gravity BNO055 + BMP280 intelligent 10DOF AHRS
SEN0251 Gravity BMP280 Barometric Pressure Sensors
SEN0250 Gravity BMI160 6-Axis Inertial Motion Sensor
SEN0249 Gravity Analog Spear Tip pH Sensor Meter Kit For Soil And Food Applications
SEN0248 Gravity I2C BME680 Environmental Sensor VOC, Temperature, Humidity, Barometer
SEN0246 URM08-RS485 Waterproof Sonar Range Finder
SEN0245 Gravity VL53L0X ToF Laser Range Finder
SEN0244 Gravity Analog TDS Sensor Meter For Arduino
SEN0240 Analog EMG Sensor by OYMotion
SEN0237 Gravity Analog Dissolved Oxygen Sensor
SEN0235 EC11 Rotary Encoder Module
SEN0236 Gravity I2C BME280 Environmental Sensor Temperature, Humidity, Barometer
SEN0233 Air Quality Monitor PM 2.5, Temperature & Humidity Sensor
SEN0232 Gravity Analog Sound Level Meter
SEN0231 Gravity HCHO Sensor
SEN0230 Incremental Photoelectric Rotary Encoder - 400P R
SEN0228 Gravity I2C VEML7700 Ambient Light Sensor
SEN0227 SHT20 I2C Temperature & Humidity Sensor Waterproof Probe
SEN0226 Gravity I2C BMP280 Barometer Sensor
SEN0224 Gravity I2C Triple Axis Accelerometer - LIS2DH
SEN0223 Conductivity Switch Sensor
SEN0221 Gravity Hall Angle Sensor
SEN0220 Infrared CO2 Sensor 0-50000ppm
SEN0219 Gravity Infrared CO2 Sensor For Arduino
SEN0214 20A Current Sensor
SEN0213 Heart Rate Monitor Sensor
SEN0212 TCS34725 I2C Color Sensor For Arduino
SEN0206 IR Thermometer Sensor MLX90614
SEN0205 Liquid Level Sensor-FS-IR02
SEN0204 Non-contact Liquid Level Sensor XKC-Y25-T12V
SEN0203 Heart Rate Sensor
SEN0197 Voice Recorder-ISD1820
SEN0192 MicroWave Sensor
SEN0187 RGB and Gesture Sensor
SEN0186 Weather Station with Anemometer Wind vane Rain bucket
SEN0185 Hall sensor
SEN0178 Triple Axis Accelerometer FXLN83XX Series
SEN0177 PM2.5 laser dust sensor
SEN0175 UV Sensor v1.0-ML8511
SEN0172 LX1972 ambient light sensor
SEN0170 Wind Speed Sensor Voltage Type 0-5V
SEN0169 Analog pH Meter Pro
SEN0165 Analog ORP Meter
SEN0161-V2 Gravity Analog pH Sensor Meter Kit V2
SEN0161 PH meter
SEN0160 Weight Sensor Module
SEN0159 CO2 Sensor
SEN0153 URM07-UART Ultrasonic Sensor
SEN0152 URM06-ANALOG Ultrasonic
SEN0151 URM06-PULSE Ultrasonic
SEN0150 URM06-UART Ultrasonic
SEN0149 URM06-RS485 Ultrasonic
SEN0147 Smart Grayscale sensor
SEN0143 SHARP GP2Y0A41SK0F IR ranger sensor 4-30cm
SEN0140 10 DOF Mems IMU Sensor V2.0
SEN0137 DHT22 Temperature and humidity module
SEN0132 Carbon Monoxide Gas Sensor MQ7
SEN0121 Steam Sensor
SEN0114 Moisture Sensor
SEN0101 TCS3200 Color Sensor
SEN0097 Light Sensor
SEN0085 Sharp GP2Y0A710K Distance Sensor 100-550cm
SEN0073 9 Degrees of Freedom - Razor IMU
SEN0072 CMPS09 - Tilt Compensated Magnetic Compass
SEN0043 TEMT6000 ambient light sensor
SEN0042 DFRobot Infrared sensor breakout
SEN0038 Wheel Encoders for DFRobot 3PA and 4WD Rovers
SEN0032 Triple Axis Accelerometer Breakout - ADXL345
SEN0019 Adjustable Infrared Sensor Switch
SEN0018 Digital Infrared motion sensor
SEN0017 Line Tracking Sensor for Arduino V4
SEN0014 Sharp GP2Y0A21 Distance Sensor 10-80cm
SEN0013 Sharp GP2Y0A02YK IR ranger sensor 150cm
SEN0008 SRF10 Ultrasonic sensor
SEN0007 SRF08 Ultrasonic Sensor
SEN0006 SRF05 Ultrasonic sensor
SEN0005 SRF02 Ultrasonic sensor
SEN0004 SRF01 Ultrasonic sensor
SEN0002 URM04 V2.0
SEN0001 URM37 V5.0 Ultrasonic Sensor
Telecom Module (TEL) Index
TEL0125 FireBeetle Covers LoRa Radio 868MHz
TEL0124 SIM7600CE-T 4G(LTE) Shield V1.0
TEL0122 FireBeetle Covers-LoRa Radio 915MHz
TEL0121 FireBeetle Covers-LoRa Radio 433MHz
TEL0120 DFRobot BLE4.1 Module
TEL0118 Gravity UART OBLOQ IoT Module
TEL0113 Gravity UART A6 GSM & GPRS Module
TEL0112 Gravity 315MHZ RF Receiver Module
TEL0110 CurieCore intel® Curie Neuron Module
TEL0108 Bluetooth Audio Receiver Module
TEL0107 WiFiBee-MT7681 Arduino WiFi Wireless Programming
TEL0097 SIM808 GPS GPRS GSM Shield
TEL0094 GPS Module With Enclosure
TEL0092 WiFi Bee-ESP8266 Wirelss module
TEL0089 SIM800C GSM GPRS Shield V2.0
TEL0087 USBBLE-LINK Bluno Wireless Programming Adapter
TEL0086 DF-Beacon EVB
TEL0084 BLEmicro
TEL0083-A GPS Receiver for Arduino Model A
TEL0082 UHF RFID MODULE-UART
TEL0081 UHF RFID MODULE-RS485
TEL0080 UHF RFID MODULE-USB
TEL0079 WIFI Shield V3 RPSMA
TEL0078 WIFI Shield V3 PCB Antenna
TEL0075 RF Shield 315MHz
TEL0073 BLE-Link
TEL0070 Multi USB RS232 RS485 TTL Converter
TEL0067 WiFi Bee V1.0
TEL0051 GPS GPRS GSM Module V2.0
TEL0047 WiFi Shield V2.1 For Arduino
TEL0044 DFRduino GPS Shield-LEA-5H
TEL0037 Wireless Programming Module For Arduino
TEL0026 DF-BluetoothV3 Bluetooth module
TEL0023 BLUETOOH BEE
TEL0005 APC220 Radio Data Module
TEL0002 Bluetooth Adapter
Motor Driver (DRI) Index
DRI0044 2x1.2A DC Motor Driver TB6612FNG
DRI0040 Dual 1.5A Motor Driver - HR8833
DRI0039 Quad Motor Driver Shield for Arduino
DRI0035 TMC260 Stepper Motor Driver Shield
DRI0029 Veyron Servo Driver 24-Channel
DRI0027 Digital Servo Shield for Arduino
DRI0023 Stepper Motor Shield For Arduino DRV8825
DRI0021 Veyron 2x25A Brush DC Motor Driver
DRI0018 DC Motor Driver 2x15A Lite
DRI0017 2A Motor Shield For Arduino Twin
DRI0009 Arduino Motor Shield L298N
DRI0002 MD1.3 2A Dual Motor Controller
DRI0001 Arduino Motor Shield L293
Fitting (FIT) Index
FIT0458 Micro DC Motor with Encoder-SJ02
FIT0450 Micro DC Motor with Encoder-SJ01
FIT0449 DFRobot Speaker v1.0
FIT0352 Digital RGB LED Weatherproof Strip 60LED m*3m
FIT0045 DF05BB Tilt Pan Kit
FIT0328 2.7 OLED 12864 display module
Robot (ROB) Index
ROB0050 4WD MiniQ Complete Kit
ROB0150 Micro bit Circular RGB LED Expansion Board
ROB0148 micro: Maqueen for micro:bit
ROB0139 FlameWheel Robot
ROB0137 Explorer MAX Robot
ROB0128 Devastator Tank Mobile Platform Metal DC Gear Motor
ROB0124 HCR Mobile Platform with Omni Wheels
ROB0118 Basic Kit for Turtle 2WD
ROB0117 Basic Kit for Cherokey 4WD
ROB0114 Devastator Tank Mobile Platform
ROB0112 Devastator Tank Mobile Platform
ROB0111 4WD MiniQ Cherokey
ROB0102 Cherokey 4WD Mobile Platform
ROB0080 Hexapod Robot Kit
ROB0036 6 DOF Robotic Arm Kit
ROB0025 NEW A4WD Mobile Robot with encoder
ROB0022 4WD Mobile Platform
ROB0005 Turtle 2WD Mobile Platform
ROB0003 Pirate 4WD Mobile Platform
micro:bit (MBT) Index
MBT0005 micro IO-BOX
Kit (KIT) Index
KIT0098 Breadboard Plugin Components Pack
KIT0071 MiniQ Discovery Kit
KIT0003 EcoDuino - An Auto Plant Kit
Toy (TOY) Index
TOY0058 Barometric Pressure Sensor
TOY0054 SI7021 Temperature and humidity sensor
TOY0048 High Accuracy Dual Axis Inclinometer Sensor Arduino Gadgeteer Compatible
TOY0045 TMP100 Temperature Sensor
TOY0044 UV Sensor
TOY0021 SD2405 Real time clock Module
TOY0020 SD2403 Real time clock Module
TOY0008 DFRduino Player MP3
TOY0007 OLED 2864 display module
TOY0006 OLED 9664 RGB Display module
TOY0005 OLED 2828 color display module .NET Gadgeteer Compatible
Servos (SER) Index
SER0044 DSS-M15S 270° 15KG DF Metal Servo with Analog Feedback
What is XX series
What is mmWave ( MillimeterWave )
What is LoRa
What is a Gas Sensor: Working and Types
What is Lorawan Gateway
How to select series
Arduino Boards Selection Guide
A Genuine Guide to High-Quality Brushless DC Motors
How it works series
How The SPI Protocol Works
How the MEMS Gas Sensor Works
How Ultrasonic Measuring Wind Speed
How do Rain Sensors Work
Modbus vs CAN bus
How does photoelectricity detect transparent objects
How to Calculate the Motor Torque for a Mobile Robot
A Brief Analysis of the Principles of Depth Cameras: Structured Light, TOF, and Stereo Vision
Sensor connection to Raspberry Pi
PinPong Library
PinPong Introduction
Introduction
Installation Guide
Installation on Linux
Installation on MacOS X
Installing on Windows
Updates & Uninstallation
Example
Basic Library Examples
Example - Blink
Example - Button
Example - ADC
Example - PWM
Example - IRQ
Common Library Examples
Example - Servo
Example - Tone
Example - HCSR04
Example - DHT
Example - Neopixel
Extended Library Examples
Example - LCD1602
Example - OLED12864
Example - TCS34725
Example - Urm09
Example - RGB1602
Example - MLX90614
Example - NFC
Unihiker Examples
More Examples
Library Description
Board class
Pin class
ADC class
PWM class
FAQ
Talk_Analog_Gas_Sensor_MQ4___SKU_SEN0129_-DFRobot