Reference: RBD-0575

PH Meter Digital Tester Aquarium Pool Water Urine Wine LCD Pen Monitor Protable

7 reviews

Main color: Yellow Measure range: 0.00-14.00pH Resolution: 0.01pH Accuracy: ±0.05pH Calibration: two points automatic calibration

Reference: RBD-1173

Non-invasive AC current Sensor Split Core Current Transformer SCT-013-000 100A

4 reviews

Input Current : 100A Frequency: 50HZ-150KHZ Opening Size: 13 x 13mm/ 0.5″ x 0.5″(L*W) Output Plug 3.5mm Dielectric Strength 6000V AC/1min Meet UL94-V0 flame retardant properties

Reference: RBD-1738

Active Speaker Buzzer Module for Arduino 5V

21 reviews

Operating Voltage : 1.5 ~ 15V DC Working Current: Less than 25mA Tone Generation Range : 1.5 ~ 2.5kHz Dimensions (LxWxH):  26 x 15 x 11 mm

Reference: RBD-3579

Wind Direction Sensor Replacement Part for WH Series Wireless Weather Stations

This Wind Direction Sensor is a high-quality replacement component specifically designed for WH series wireless weather stations, including the WH2081 model. Whether you're maintaining your existing weather monitoring setup or replacing a faulty part, this sensor ensures accurate and reliable wind direction readings for continued environmental tracking.

Reference: RBD-0312

Arduino TTP229 16 Channel Digital Capacitive Switch Touch Sensor Module GM

3 reviews

Arduino TTP229 16 Channel Digital Capacitive Switch Touch Sensor Module GM

Reference: RBD-0683

Water Level Sensor Depth of Detection Water Sensor for Arduino

13 reviews

Operating voltage: DC3-5V Operating current: less than 20mA Sensor Type: Analog Detection Area: 40mmx16mm Operating temperature: 10℃-30℃ Humidity: 10% -90% non-condensing

Reference: RBD-1175

Current Sensor ACS712-20A

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: 20A Sensitivity: 100mV/A

Reference: RBD-0812

High Accuracy I2C MAX30105 Particle Optical Sensor Photodetectors Oximeter Module

1 review

Based on MAX30105 – heart rate, oximeter, smoke sensor Green, red, and infra-red LEDs Interface: I2C (address 0x57) Compatible with 3.3V and 5V logic levels.

Reference: RBD-1174

Current Sensor ACS712-5A

12 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 kV RMS minimum isolation voltage from pins 1-4 to pins 5-8.

Reference: RBD-1677

52mm PP Liquid Water Level Sensor Horizontal Float Switch Down

Contact Rating: 10 W. Switching Voltage: 220 V. Switching Current: 0.5 A. Breakdown Voltage: 220 VDC. Carry Current: 1 A. Contact Resistance: 100 mΩ.

Reference: RBD-1773

VHM-314 V3.0 Bluetooth Audio Receiver Board

3 reviews

Supply Voltage: 5V USB / 3.7V lithium battery Output Port: 3-wire audio interface/DIY pad Output Type: Analog signal Bluetooth name: VHM-314-V3.0 Bluetooth version: 5.0 Bluetooth passcode: no password Sound source: Bluetooth. USB-PC input(after the back pad is connected, the computer can be connected as a sound card though Micro) Operation method:...

Reference: RBD-0813

Liquid Suspended Particles Turbidity Sensor Detection Module Kit

7 reviews

Operating Voltage: 5VDC. Current: 30mA (MAX). Operating temperature: -30 ° C to 80 ° C. Compatible with Arduino, Raspberry Pi, AVR, PIC, etc. Measuring Range: 0 ~ 1000 NTU.

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-1740

Vibration Sensor Module Vibration Switch Alarm Module for Arduino

5 reviews

Operating voltage: 3.3 to 5VDC Ball Rolling type of tilt sensor. This small module is easy to use. A fixed bolt hole for easy installation Wide voltage LM393 comparator

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-0958

Air Quality Breakout - CCS811

4 reviews

Five Operating Modes Integrated MCU Onboard Processing Standard I2C Digital Interface Optimized Low-Power Modes Optional NTC Thermistor Pins

Reference: RBD-1424

ZMCT103C 5A Range Single Phase AC Micro Current Transformer Sensor

Onboard precision microcurrent transformer. Onboard sampling resistor. The module can measure AC currents less than 5A, the corresponding analog output 5A/5mA. Rated input current: 5A Rated output current: 5mA Change: 1000: 1 The linear range: 0 ~ 10A (100 ohms) Linearity: 0.2%

Reference: RBD-1854

Resistive Film Pressure Sensor Module Pin Header Analog Signal 200mm

This module is compatible with various microcontroller control boards, such as arduino series microcontrollers. The module contains 2 kinds of interfaces. The module comes with a 20cm wire, which is long enough for your use. It has a short response time and quick response.

Reference: RBD-2097

Small Microphone Sound Sensor Module

5 reviews

5V Dc Power Supply Power indicator light The comparator output is light High Sensitivity Sound Microphone Sensor Detection Module Electric condenser microphone

Reference: RBD-1042

Capacitive Soil Moisture Sensor

10 reviews

Operating Voltage: 3.3 ~ 5.5 VDC. Operating Current: 5mA. Interface: PH2.54-3P. Dimensions mm(LxWxH): 98 x 23 x 4. Supports 3-Pin Gravity Sensor interface Analog output. Weight (gm): 15.