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-1974

Brand: DFRobot

Gravity Huskylens AI Camera Vision Sensor with Silicone Case

2 reviews

One-click learn Machine Learning Enabled Onboard Screen Extreme Performance

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-2125

QRE1113 Reflective Optical Sensor

1 review

Phototransistor output  No contact surface sensing  Miniature package

Reference: RBD-0132

TCRT5000L Reflective Optical Sensor

30 reviews

The TCRT5000 and TCRT5000L are reflective sensors which include an infrared emitter and phototransistor in a leaded package which blocks visible light. The package includes two mounting clips. TCRT5000L is the long lead version. Model TCRT5000 Color Black + blue Detecting range: 0.591″ (15mm); Detecting method: Reflective; Collector-Emitter: Voltage:...

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-1675

PZEM-004T V3.0 AC Digital Multifunction Meter Watt Power Volt Amp With Coil 100A

2 reviews

Model: PZEM-004T Operating Voltage: 80-260VAC Test Voltage: 80-260VAC Rated Current: 100A Rated power: 100A / 22000W Operating frequency: 45-65Hz Measurement accuracy: 1.0

Reference: RBD-2098

Big Microphone Sound Sensor Module

8 reviews

Big Microphone Sound Sensor Module  Sound Detection Sensor Module High Sensitive Voice Sensor

Reference: RBD-2099

Touch Sensor Switch Module

1 review

Main chip: LM393 Working voltage: for DC 5V Single-channel signal output Low-level output signal used for human body touch sensor alarm Adjustable sensitivity Pin Connector to board: 4 Pins

Reference: RBD-0222

35mm Piezo Ceramic Elements Sound Sensor

17 reviews

Sound pressure level: 85DB 10cm The input voltage: 30vp-p max Ultra-thin and lightweight Low power consumption for voltage type Operating Temperature: -20~70 Storage Temperature: -30-80 Clear sound

Reference: RBD-0665

Rain & Steam Detection Sensor Module

23 reviews

Operating voltage: 5V Provide both digital and analog output Adjustable sensitivity. RoboticsBD Output LED indicator Compatible with Arduino TTL Compatible Bolt holes for easy installation

Reference: RBD-1835

Non-invasive AC current Sensor Split Core Current Transformer SCT-013-050 50A

1 review

Input current (RMS): 50A. Work temperature: -25℃～+70℃. Storage temperature: -30℃～+90℃. Work voltage: 660V. Frequency range: 50Hz-1KHz.

Reference: RBD-1913

ADXL335 Module 3-axis Analog Output Accelerometer GY-61

6 reviews

Onboard LDO Voltage regulator Can be interfaced with 3V3 or 5V Microcontroller. Tap/Double Tap Detection Free-Fall Detection Analog output Build in ultra low noise linear LDO voltage regulator Built-in onboard filters, which reduce noise from the motor and other high current electronics Power LED

Reference: RBD-2215

4 Channel Infrared Line Following and Obstacle Sensor

1 review

Working voltage (V): 3.3 ~ 5 Working current (A): Above 1A Operating Temperature (℃): -10 ~ +50 Mounting hole: M3 Detection range: 1mm ~ 60 cm adjustable.

Reference: RBD-2303

MAX30102 Heart Rate and Pulse Oximeter Sensor Module

13 reviews

MAX30102 Heart Rate and Pulse Oximeter Sensor Module for wearable and medical devices Features red (660nm) and infrared (880nm) LEDs with ambient light suppression Provides accurate light reflection signal (PPG) for heart rate and blood oxygen measurement Standard I2C interface for seamless integration with microcontrollers Compact design with low standby...

Reference: RBD-0667

DHT11 Temperature and Relative Humidity Sensor Module for Arduino

69 reviews

Input Supply Voltage (VDC): 3.3 ~ 5. Supply Current (mA): measurement 0.3mA standby 60μA. Temperature measurement range: 0~50 degrees. Temperature measurement error: ±2 degrees. Humidity measurement range: 20%~95%RH. Humidity measurement error: ±5%RH. RoboticsBD