Reference: RBD-2541

Brand: DFRobot

Gravity: Voice Recorder Module

This is the latest voice recorder module with integrated record and play functions. Easily record your voice by pressing the record button, speaking and then releasing the button when finished. The module is able to playback 10 seconds in total. Connect an 8Ω 3W speaker or an external active speaker for voice output. The module also has a 3 pin digital...

Reference: RBD-2691

Through-Hole Speaker 15mm diameter - 2kHz range

Compact 15mm speaker for integrating sound into space-constrained projects. 2kHz frequency range suitable for basic audio applications. Through-hole mounting for easy integration with circuit boards. Handles up to 0.5W of power for moderate sound output.

Reference: RBD-2692

PCB Mount Mini Speaker Breadboard-Friendly - 8 Ohm 0.2W

Breadboard-Friendly PCB Mount Mini Speaker - 8 Ohm 0.2W 1.1" (~30mm) diameter speaker with 8 Ohm impedance Perfect for breadboard-based audio projects Durable plastic casing, lightweight design Power handling: Nominal 0.1 Watts, Maximum 0.2 Watts

Reference: RBD-0321

PT100 Platinum Resister Temperature Sensor Waterproof Probe -20℃ ~ 450℃

New PT-100 Temperature Sensor AvailableClick Here PT100 Platinum Resister Temperature Sensor Waterproof Probe -20℃ ~ 450℃

Reference: RBD-0334

9 Degrees of Freedom Breakout- MPU9150

1 review

The 9DOF MPU-9150 is the world’s first 9-axis MotionTracking MEMS device designed for the low power, low cost, and high performance requirements of consumer electronics equipment including smartphones, tablets and wearable sensors. And guess what? You get to play with it.

Reference: RBD-2694

4cm Thin Speaker - 8 Ohm 0.5W

Incredibly thin (just over 4mm) 4cm speaker for adding sound to projects with severe space constraints. 8Ω impedance and 0.5W power handling for compatibility with low-power audio circuits. Ideal for applications like portable devices, greeting cards, or space-limited enclosures.

Reference: RBD-0337

Brand: Waveshare

Liquid Level Sensor for Arduino (WaveShare)

1 review

Detection depth: 48mm Power: 2.0V ~ 5.0V Dimension: 19.0mm * 63.0mm Mounting holes size: 2.0mm

Reference: RBD-2718

PAM 8610 Digital Stereo Class-D Amplifier Board 2x15W Output

Dual-Channel Stereo Output Run-on 7V to 15V power Supply 32 Steps DC volume control has a +32dB to -75dB range. 40 pin QFN 6 x 6 mm package. Much higher efficiency in terms of cost and performance than competitors’ ICs

Reference: RBD-0344

Weighing Sensor 24 Bit Load Cell Amplifier HX711

13 reviews

Output Sensitivity: 1.0 ± 0.1 mV / V. Two selectable differential input channels. On-chip active low noise PGA with the selectable gain of 32, 64 and 128. On-chip oscillator requiring no external component with optional external crystal. On-chip power-on-reset. Measurement Resolution: 24 bit. RoboticsBD

Reference: RBD-2724

MAX4466 Electret Microphone Adjustable Amplifier Module

The MAX4466 Electret Microphone Module is a convenient and sensitive audio sensor solution designed for capturing sound waves and converting them into electrical signals. This module incorporates the MAX4466 electret condenser microphone and an integrated amplifier circuit, making it well-suited for applications requiring clear and amplified audio capture.

Reference: RBD-2747

Mini Speaker - PC Mount 12mm 2.048kHz

This is a small 12mm round speaker that operates around the audible 2kHz range. You can use these speakers to create simple music or user interfaces. This is not a true piezoelectric speaker but behaves similarly. Instead of a piezoelectric crystal that vibrates with an electric current, this tiny speaker uses an electromagnet to drive a thin metal sheet....

Reference: RBD-0352

Knock Sensor Module KY-031

4 reviews

Detect shocks with the spring and send a signal to Controller Board Operating voltage: 3.3V-5V Digital output Bolt holes for easy installation. RoboticsBD

Reference: RBD-2758

MAX9814 Microphone Amplifier Module

With this module you can easily measure sound with an analog pin on your Arduino or other microcontroller. The module has an automatic gain/amplification (ACG) of the microphone: The module amplifies sounds with a low volume more, and sounds with a higher volume less.

Reference: RBD-0354

TSL2561 Luminosity & Infrared Light integrating sensor

Approximates Human eye Response Extremely wide dynamic range 1 to 600,000,000 Counts Lux Range: 188u Lux sensitivity, up to 88,000 Lux input measurements Voltage range: 3.3-5V into the onboard regulator This board/chip uses I2C 7-bit addresses 0x29 and 0x28. RoboticsBD

Reference: RBD-2919

MAX98357A I2S DAC Class D Mono Amplifier Module

This mono Class D amplifier module with a surprisingly compact form factor - less than 2cm on a side - uses a MAX98357 chip to deliver 3W of power. Its I2S input allows an easy association with a Raspberry Pi or ESP32, allowing for example to design a small portable amplified speaker.

Reference: RBD-0355

HC-020K Speed Measuring Module With Speed Encoder Kit

4 reviews

Description:Working voltage: 4.5V to 5.5 V.Transmit tube pressure drop: Vf = 1.6 VTransmit tube current: 20 mASignal output: A, B two way; The TTL levelDistinguish precision: 0.01 mmMeasurement frequency, 100 KHZEncoder diameter: 24 mmEncoder type D hole diameter: 4 mmThe encoder resolution: 20 line

Reference: RBD-0358

I2C Bi-Directional Logic Level Converter- 2 Channel

2 reviews

Dimensions: 11×15 x 2 (L x W x H) mm Weight: 1gm Mutual transform between 5V TTL and 3.3V TTL Two channels of logic and high voltage low voltage logic can two-way transform Portable and lightness, with 2 rows 4 pin contact pins

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-0389

PL2303 USB to TTL Serial Converter

14 reviews

Adopt imported controller PL2303HX, which can stabilize the flash with high speed 500mA self-recovery fuse for protection Two data transmission indicator can monitor data transfer status in real time Reserve 3.3V and 5V pin interface, easy for the DDWRT of different voltage system that needs power The entire board is coated by the high quality transparent...

Reference: RBD-0391

AD8232 ECG Measurement Module Kit

19 reviews

Designed to extract, amplify, and filter small biopotential signals. Leads-Off Detection. Shutdown Pin. LED Indicator. Analog Output. 3.5 mm Jack for Biomedical Pad Connection. RoboticsBD

Reference: RBD-0416

TTP229 8 Channel Digital Capacitive Switch Touch Sensor Module for Arduino

Onboard 8 key TTP226 capacitive touch induction IC. RoboticsBD Onboard 8-way level indicator. Working voltage: 2.4 to 5.5 V. Modules, you can set the output mode, key output mode, the longest time and fast/low power output

Reference: RBD-0425

GY-9960LLC APDS-9960 RGB and Gesture Sensor Module

1 review

Model: GY-APDS9960-3.3 Chip: APDS-9960 Power Supply: 3.3VDC Communication Through I2C Protocol. RoboticsBD

Reference: RBD-0426

GUVA-S12SD UV Detection Sensor Module

3 reviews

Power supply voltage of 2.5 V ~ 5 V Low power consumption Wide detection range: 240 nm to 370 nm Wide Angle: 130 degrees Schottky type photosensitive diode Good linear response High sensitivity

Reference: RBD-0427

Digital Tachometer Speed Module Sensor for Arduino UNO

2 reviews

Working voltage: 3.3V-5V Output form: digital output (0 and 1)

Reference: RBD-0428

APDS-9930 RGB and Gesture Sensor

Operational Voltage: 3.3V. Ambient Light & RGB Color Sensing. Proximity Sensing. Gesture Detection. Operating Range: 4-8in (10-20cm). I2C Interface (I2C Address: 0x39). RoboticsBD

Reference: RBD-0554

GY-VL53L0XV2V VL53L0X Time-of-Flight Distance Sensor Breakout Module

3 reviews

VL53L0X 3-in-1 ranging and gesture detection sensor Regulator: 5 to 2.8V range input voltage (output voltage: 2.8V) VL53L0X signal interface level shifter Serial Port PWM Output True distance measurement independent of target size and reflectance Breakout board, easy to integrate into the customer device Allows basic gesture recognition use case. RoboticsBD

Reference: RBD-0555

Current Sensor ACS712-30A

5 reviews

Low-noise analog signal path Device bandwidth is set via the new FILTER pin 5 µs output rise time in response to step input current Small footprint, low-profile SOIC8 package 2.1 kVRMS minimum isolation voltage from pins 1-4 to pins 5-8 Supply Voltage: 4.5V~5.5V DC Measure Current Range: 30A Sensitivity: 100mV/A

Reference: RBD-0574

Honeywell HMC5983 Temperature Compensated Three-Axis Digital Compass

3-Axis Magnetoresistive Sensors and ASIC in a 3.0x3.0x0.9mm LCC Surface Mount Package Temperature Compensated Data Output and Temperature Output Automatic Offset Compensation. RoboticsBD

Reference: RBD-0622

RCWL-0516 Microwave Radar Sensor Module Human Body Induction Switch Module

6 reviews

Transmission signal processing control chip RCWL-9196 Wide operating voltage range 4.0V to 28.0V Penetrating detection capability, compared with the traditional infrared feeling PIR Adjustable Block time and distance Operating Current: 2.8mA (typical); 3mA (max) Detection Distance: 5-9m Transmitting Power: 20mW (typical); 30mW (max) RoboticsBD

Reference: RBD-0668

DS1302 Real Time Clock Module (DS1302Z clock chip,32.768KHZ crystal)

1 review

Crystal 32.768KHz, matching capacitance 6pF DS1302 8-pin SMD homemade chips Seconds, Minutes, Hours, Day of Month, Day of Week, and Year Operating temperature: 0 degree — 70 degree. RoboticsBD

Reference: RBD-0671

MQ-2 Flammable Gas & Smoke Sensor

55 reviews

Operating Voltage:+5V Preheat Duration:20 s Analog Output Voltage:0 to 5 V Dimension:36x20x21 mm. RoboticsBD

Reference: RBD-0672

MQ-3 Alcohol Gas Sensor

6 reviews

Power requirements: 5 VDC @ ~165 mA (heater on) / ~60 mA (heater off). Current Consumption: 150mA. RoboticsBD DO output:  0.1 and 5V. AO output: 0.1- 0.3 V (relative to pollution), the maximum concentration of a voltage of about 4V Detecting Concentration: 0.05-10mg/L Alcohol.