Reference: RBD-2078

Vibration Switch Module

No direction, any angle can trigger the work. Sensitivity switches can be selected for the trigger sensitivity according to circuit requirements. This switch is suitable for the trigger of the small current circuit. Component Type: SW-18015P Maximum voltage: 12V Rated Heating Current: 20mA

Reference: RBD-1168

Digital TDS Meter Monitor TEMP PPM Tester

1 review

Item Name: TDS meter Meter Material: Plastic Display: LCD Digital Accuracy: +/- 2% Range: 0-9990 ppm

Reference: RBD-2088

Tilt Switch Sensor Module For Arduino

1 review

Operating Voltage: 5v DC. This module is Small and Simple to use. Digital switch output (0 & 1) High sensitivity Completes the circuit when the module is tilted LED lights up when tilt switch is activated

Reference: RBD-2097

Small Microphone Sound Sensor Module

4 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-1405

Turbidity Sensor Suspended Turbidity Value Detection Module Kit

3 reviews

Working voltage: 5.00V DC Working current: 40mA (MAX) Response time: <500ms Insulation resistance: 100MΩ (Min) Analogue output: 0~4.5V; Digital output: high/low-level signal (the corresponding threshold can be selected by adjusting the potentiometer) Operating temperature: -20℃~90℃

Reference: RBD-2089

Mercury Medallion Module

Consists of a mercury switch 680Ω resistor LED that will light up when tilt is detected. 

Reference: RBD-2098

Big Microphone Sound Sensor Module

4 reviews

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

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-2090

Magic Cup Tilt Switch Module

Operates on 5V DC supply. Mercury switch

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-2206

Analog Piezoelectric Ceramic Vibration Module

Analog piezoelectric ceramic vibration module Measures the extent of vibration Proportional to the strength of shock or vibration Interface type: Analog Output Dimensions: 30 (L) x 23 (W) x 17 (H) Weight: 5g

Reference: RBD-2235

27mm Piezo Ceramic Elements Sound Sensor

1 review

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

Reference: RBD-1717

TDS Meter V1.0 Module Water Quality Sensor for Arduino

4 reviews

Wide voltage operation: 3.3~5.5V 0~2.3V analog signal output, compatible with 5V, 3.3V two control systems The excitation source is an AC signal, effectively preventing probe polarization Waterproof probe for long-term immersion in water

Reference: RBD-2229

Piezoelectric Vibration Sensor Module with Analog & Digital Output

Highly sensitive and reliable Piezoelectric Vibration Sensor Module Detects vibration and measures acceleration Analog and digital outputs Suitable for industrial control systems, robotics, automotive, and consumer electronics

Reference: RBD-2236

20mm Piezo Ceramic Elements Sound Sensor

Plate Diameter: 20mm Element Diameter: 14mm Plate Thickness: .42mm Lead Length: ~50mm Plate Material: Brass Resonant Frequency (kHz): 6.3 +/- .6kHz

Reference: RBD-1719

Envitec OOM202 Medical Ventilator Oxygen Sensor

Envitec Honeywell OOM202 Medical Ventilator Oxygen Sensor Made in GermanyManufacture Date: 2023 December

Reference: RBD-2237

15mm Piezo Ceramic Elements Sound Sensor

1 review

Sound pressure level: 85DB 10cm The input voltage: 30vp-p max Clear sound Ultra-thin and lightweight No contacts: therefore, no noise and highly reliable Operating Temperature: -20~70 Storage Temperature: -30-80

Reference: RBD-1833

Soil NPK Sensor Agricultural

NEW TYPE AVAILABLE CLICK HERE Measurement range: 0-199 mg/KG Measurement accuracy: +-2%F.s Resolution: 1mg/KG (mg/L) Response time (T90, s): less than 10 Communication port: RS485 Power supply: 5V-24v DC 

Reference: RBD-2307

Stereo Enclosed Speaker 3W 8Ω

1 review

This speaker is a great addition to any audio project where you need 8 ohm impedance and 3W or less of power. We particularly like this speaker as it is small and enclosed for good audio volume and quality. It has a handy JST 2PH input cable to add audio to your displays and other projects (this connector is part of the JST-PH series which is ~2.0mm...

Reference: RBD-1931

Soil NPK Sensor Agricultural RS485/Modbus

Easy to Measure High Precision Low measurement cost Resolution up to 1mg/kg (mg/l)

Reference: RBD-2318

Sound Output Module Speaker Module Microphone Sensor Module Sound Sensor for Arduino

The Speaker module is composed of a power amplifier and a loudspeaker. Sound size can be adjusted by the potentiometer on the circuit board. Enter different frequencies, the speakers produce different tones. Can be carried out by for Arduino encoding and DIY their music box!Product data interfaceusing anti plug,the two sides of the interface are...

Reference: RBD-1935

Water Level Sensor Gold Coating

2 reviews

Water-level sensor indicates the level of water in an overhead tank Gold coated Long life time Simple working procedure

Reference: RBD-2248

TE Connectivity LDT0-028K Piezoelectric Sensor Vibration Silver Ink Electrode No Mass Version

1 review

Model: LDT0-028K Solder tab connection Withstands high impact

Reference: RBD-2470

3 Watt 8 Ohm Mini Speaker for Electronics Project with JST-PH2.0 Interface

3 Watt 8 Ohm Mini Speaker for Electronics Project with JST-PH2.0 Interface

Reference: RBD-1969

Brand: DFRobot

pH Sensor Gravity Analog pH Sensor Meter Kit V2

2 reviews

Specifically designed to measure the pH of the solution and reflect the acidity or alkalinity. Improved precision and user experience. Compatible with 5V and 3.3V. Quickly build the pH meter, plug and play, no welding.

Reference: RBD-2249

20mm 2.4Mhz Ultrasonic Mist Maker Fogger Atomizing Transducer

3 reviews

Made From High-Quality Materials. Electronic High-Frequency Oscillations (2.4MHz). Material: Ceramic, Wire Diameter: Atomizer: 2cm/0.79in; Sealing ring: 2.5cm/0.98in

Reference: RBD-2678

Surface Transducer - Large

Surface transducers give you the awesome power to turn almost any surface into a speaker. They're essentially just a speaker except instead of a cone, the coil is attached to a pad that conducts the vibration into whatever you press it against. Hook it up to an audio source and press it against the nearest table, wall or cardboard box. You can even put it...

Reference: RBD-2141

Anti-Corrosion Water Level Sensor with Ball Float Switch

Rating contract (Max.): 10 W Switching power supply (Max.): 110VDC Resistance contract (Max.): 100 Ω Appro. Float Ball Size (mm) : 24×17 (LxD) Body Total Length (mm) : 85 Cable Length (cm) : 37 Total Float opening: 70° Switch ON/OFF angle Approx. betn 15° to 20°

Reference: RBD-2293

801S Vibration Sensor Analog Module

1 review

801S is a vibration sensor with a gold alloy plated shock sensor and an onboard comparator IC. The sensor is capable of providing real-time vibrational data along with micro shock detection and about 60,000,000 times shock guaranteed. Pin Type Pin Description VDD Voltage Input pin GND Ground terminal D0 Digital Signal Output pin A0...

Reference: RBD-2681

Digital Power Channel Amplifier Board 5V Bluetooth Speaker Audio CA6928

Bluetooth Speaker Audio Amplifier Module (Model: CA-6928) Introducing the CA-6928 digital power channel amplifier board, a compact and versatile solution for enhancing your audio experience. This speaker power amplifier module is designed to amplify sound from Bluetooth-enabled devices with ease. With its sleek and compact design measuring 24*14mm, this...

Reference: RBD-2148

XKC-DS1603L V1 Ultrasonic Level Sensor Non-contact Sensing

Non-contact detection Suitable for liquids of various densities and forms Easy installation for all kinds of detection occasions Compatible with containers of various materials and thicknesses Reliable performance with anti-interference ability

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.