Reference: RBD-1970

Brand: DFRobot

Gravity: Speech Synthesis Module V2.0 (Support English and Chinese)

Version 2.0 More natural pronunciation Fewer pronunciation errors for polyphone characters No option of speakers

Reference: RBD-2667

MG811 (Co2) Carbon Dioxide Gas Sensor

MG811 (CO2) Carbon Dioxide Gas Sensor Metal Oxide Sensor Highly sensitive to CO2 Less sensitive to alcohol and CO Analog and digital output options Compatible with Arduino & Raspberry Pi Wide detecting scope

Reference: RBD-0382

GY-87 10DOF MPU6050 HMC5883L BMP180 Sensor Module

1 review

3-axis Gyro+Acceleration+Magnetic Fiel Air Pressure Module Power supply: 3-5V Build in ultra low noise linear LDO voltage regulator Built-in onboard filters, which reduce noise from motor and other high current electronics You can easily select two I2C address for MPU6050 by soldered jumper. RoboticsBD

Reference: RBD-0417

Force Sensor Resistor Square 38.1mm

3 reviews

Easily customizable to a wide range of sizes Cost-effective Ultra-thin; 0.45 mm Robust; up to 10 million actuations Simple and easy to Integrate. RoboticsBD

Reference: RBD-0431

Formaldehyde/ Formalin Detection Sensor CJMCU-1100 MS1100

1 review

Working temperature : -10℃ ~ 50℃ Working humidity : below saturation point Storage temperature : -20℃ ~ 80℃ RoboticsBD

Reference: RBD-0550

Voice Recognition Module Kit V3 (Elechouse)

5 reviews

Supply Voltage: 4.5 – 5.5 V. Current : <40 mA. Digital Interface : 5V TTL level for UART interface and GPIO. Support maximum 80 voice commands, with each voice 1500ms (one or two words speaking). Maximum 7 voice commands effective at same time. Arduino library is supplied. User-control General Pin Output. RoboticsBD

Reference: RBD-1177

4-20mA Signal Generator Current Loop Simulator Tester

1 review

This signal generator can use 4-20mA to generate voltage and control the current in the circuit. Accuracy up to 0.01; Liquid crystal display; Rotary encoder adjustment ; Two connection terminals are non polarity. Output range can be set; 4-20mA (device control) / -21mA (signal debugging) Display mode can be set, it is convenient for you to see the value...

Reference: RBD-1204

SHARP Distance Measuring Sensor GP2Y0A710K0F

1 review

Distance measuring range: 100 cm to 550 cm Output type: Analog voltage Output voltage differential over distance range: 2.05 V (typical) Update period: 38 ± 10 ms

Reference: RBD-1243

AS608 Optical Fingerprint Sensor Fingerprint Module JM-101

15 reviews

Resolution: 500dpi Supply current: <60mA Supply voltage: 3.3V Fingerprint image entry time: <1.0 seconds Peak current: <60mA

Reference: RBD-1377

CJMCU-4541 MICS-4514 Carbon Monoxide Nitrogen Oxygen Sensor CO/NO2/H2/NH3/CH4

1 review

Module Name:CJMCU-4541 Sensor: MICS-4514 Type: Carbon Monoxide Nitrogen Oxygen Sensor

Reference: RBD-1644

TOF10120 Laser Range Sensor Module Distance Sensor

1 review

940nm laser classified as class 1 under operation condition by IEC 60825-1:2014-3rd edition Small ceramic package(20×13.2×2.0mm) Long range absolute range measurement up to 1.8m within 5% accuracy at indoor

Reference: RBD-1648

FPC1020A Capacitive Fingerprint Identification Module

FPC1020A is a secondary development module for fingerprint recognition designed for SCM. Fingerprint identification capacity: 150 fingerprints, identification time is less than 1 second, can be customized large capacity Capacitive surface array semiconductor fingerprint sensor Support finger 360 rotation recognition Supported Operating Systems: Windows

Reference: RBD-1671

ESP32 DHT11 WIFI Bluetooth Temperature Humidity Soil Moisture Sensor Module for Arduino

2 reviews

ESP32 Bluetooth Wi-Fi development board, support NodeMCU / Arduino DHT11 temperature and humidity sensor CP2104 communication chip USB TO TTL Micro USB port Soil probe (long) soil temperature and humidity detection module 18650 Lithium Battery Holder Powered (Battery is not included)

Reference: RBD-1716

PM2.5 Air Quality Sensor PMS5003 High Precision Digital Output Module

1 review

Working Voltage: 5.0V Maximum Working Current: 100mA Data Interface Level: L＜0.8V, H>2.7V, maximum voltage level 3.3V Particle Measurement Range: 0.3 ~ 1.0μm; 1.0 ~ 2.5μm; 2.5 ~ 10μm Note: Please purchase this adapter board to use it with Arduino and Raspberry Pi. 

Reference: RBD-1722

NEO-M8N GPS Module with Ceramic Active Antenna

1 review

Antenna Size : approx. 26 x 26 x 9 (LxWxH) mm. Module Size : approx. 26 x 36 x 4 (LxWxH) mm. Net weight : approx. 16 gm. Gross weight : approx. 17 gm. Mounting : approx. 3 mm. The default baud rate : 9600.

Reference: RBD-1934

MQ-136 Hydrogen Sulfide Gas Sensor

1 review

Dual signal output (analog output and TTL level output) The TTL output effective signal is low. Analog output 0 ~ 5V voltage, the higher the concentration the higher the voltage. Good sensitivity to hydrogen sulfide, liquefied gas, natural gas, city gas, and smoke. with long service life and reliable stability fast response recovery characteristics

Reference: RBD-2132

GSR Galvanic Skin Response Module Current Sensor Kit Measurable Skin Resistance Conductivity Sensor

1 review

GSR Galvanic Skin Response Module for measuring skin resistance and conductivity Size: 34mm x 25mm Power interface pin for easy connectivity Working current: 1mA Power voltage: 3.3-5V

Reference: RBD-2146

Galvanic Skin Response GSR Sensor

3 reviews

Operating voltage:3.3V/5V Sensitivity: Adjustable via a potentiometer Input Signal: Resistance, NOT Conductivity Output Signal: Voltage, analog reading Finger contact material:  Nickel

Reference: RBD-2152

Human Presence Radar LD2410 Respiration and Heartbeat Monitoring Non-contact Induction Sensor

Human Presence Radar LD2410 Respiration and Heartbeat Monitoring Non-contact Induction Sensor High-sensitivity 24GHz sensing module

Reference: RBD-2170

100mm x 100mm Medium Magnetic Field Viewing Paper

Visualize magnetic fields with ease using the field paper Large size of 100mm x 100mm for a clear and detailed view Micro-encapsulated film enables visualization of magnetic fields Suitable for use with any magnet Lightweight and compact for easy handling and storage

Reference: RBD-2172

Force Sensitive Resistor Square 40mm

Easily customizable to a wide range of sizes Cost-effective Ultra-thin; 0.45 mm Robust; up to 10 million actuations Simple and easy to Integrate. RoboticsBD Force Sensitive Resistor Square High Quality

Reference: RBD-2214

EMG Muscle Sensor With Cable And Electrodes Controller Detects Muscle Activity

2 reviews

EMG muscle sensor V3.0 with cable and electrodes Measures the electrical activity of muscles High signal quality for accurate and reliable measurement Adjustable gain and filtering for signal conditioning Compatible with various types of microcontrollers and data acquisition systems Comes with reusable electrodes and a 3.5mm jack cable for easy connection

Reference: RBD-2227

HLK-LD1115H 24Ghz Human Presence Sensor mmWave Radar Module

High sensitivity 24GHz millimeter wave human presence detection radar module Detects and accumulates small movements like human breathing Higher accuracy in presence detection within a certain range Not easy to miss detections Detection distance: > 4m static human presence, > 16m motion Range: Hanging height 3m, static body detection coverage radius...