Reference: RBD-0676

MQ-7 Carbon Monoxide Gas Sensor

6 reviews

Operating voltage: DC 5 V. The analog output voltage, the higher the concentration the higher the voltage. The carbon monoxide detection with better sensitivity. With a long service life and reliable stability. Rapid response and recovery characteristics. Range: 10 to 1000 ppm. 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-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-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-0666

HX1838 NEC Code Infrared Remote Control Module DIY Kit

5 reviews

Crystal: the oscillation frequency of 455. Button: free height is less than 3mm, the force 200-350g, the life of more than 200 000. Photo-detector and preamplifier in one package. Internal filter for PCM frequency. RoboticsBD Improved shielding against EMI. Don’t forget to add CR2025 Battery to your Cart as this remote does not come with a battery

Reference: RBD-0677

MQ-8 Hydrogen Gas Sensor

5 reviews

Using high-quality dual-panel design, with power indicator and TTL signal output instructions. The switching signal having a DO (TTL) output and analog output AO. TTL output valid signal is low. The higher the voltage, the concentration of the analog output voltage is higher. A hydrogen gas detection with good sensitivity. Has a long life and reliable...

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-2125

QRE1113 Reflective Optical Sensor

1 review

Phototransistor output  No contact surface sensing  Miniature package

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-0678

MQ-9 Gas Leakage Detection Sensor

3 reviews

Good sensitivity to CO/Combustible Gas High sensitivity to Methane, Propane, and CO Long life and low cost Simple drive circuit Input voltage: DC 5±0.2V Current Consumption: 150mA

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-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-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-0679

MQ-135 Gas Sensor

20 reviews

Sensitivity to Ammonia, Sulfide and Benzene steam Sensitive for benzene, alcohol, smoke Fast response and recovery Adjustable sensitivity. RoboticsBD Signal output indicator Output voltage boosts along with the concentration of the measured gases increases.

Reference: RBD-0691

IR Infrared Remote Decoder Encoding Transmitter & Receiver Wireless Module

2 reviews

Supply voltage: 5V Communication: Serial communication (TTL level) Operating istance: 6-10 meters 

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-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