Sensors & Modules

SKU: EC-WRF31501R | Brand: Elecrow

A basic 315MHz RF link kit consisting of a transmitter and receiver module pair. Commonly used for simple wireless remote control, data transmission, and sensor communication between microcontrollers. Works well with ...

SKU: DF-SEN0308 | Brand: DFRobot

The Gravity Analogue Waterproof Capacitive Soil Moisture Sensor from DFRobot measures soil moisture using capacitive sensing rather than resistive probes, offering significantly better corrosion resistance and longer ...

SKU: WS-19979 | Brand: Waveshare

The 2-Channel RS232 Module for Raspberry Pi Pico converts UART signals to RS232 and vice versa using the SP3232EEN transceiver. It plugs directly onto the Pico via the onboard female pin header — no wiring required. ...

SKU: AF-5046 | Brand: Adafruit

The BME688 from Bosch delivers comprehensive environmental sensing in a single compact package. This precision sensor measures temperature, humidity, barometric pressure, and VOC gas levels, all accessible over I2C or...

SKU: DF-FIT0860 | Brand: DFRobot

This small portable USB isolator with USB2.0 compatibility provides complete isolation between devices.  Featuring a 12Mbps data transmission rate and 2500V isolation voltage, the industrial USB isolator can ...

SKU: AF-2652 | Brand: Adafruit

The Adafruit BME280 Breakout is a precision environmental sensor from Bosch that measures temperature, barometric pressure, and humidity in a single package. With its excellent pressure accuracy, it also functions as ...

SKU: SF-SEN-11050 | Brand: SparkFun

This sealed digital temperature probe lets you precisely measure temperatures in wet environments with a simple 1-Wire interface. The DS18B20 provides 9 to 12-bit (configurable) temperature readings over a 1-Wire i...

SKU: SF-BOB-12009 | Brand: SparkFun

The SparkFun Bi-Directional Logic Level Converter safely translates signals between different voltage levels — stepping 5V down to 3.3V and 3.3V up to 5V on the same channel. It also works with 2.8V and 1.8V devices, ...

SKU: DF-DFR0251 | Brand: DFRobot

A relay is an electrically operated switch, which has a control system (also known as the input circuit) and the controlled system (also known as the output circuit), usually used in automatic control circuit. It i...

SKU: DF-KIT0021 | Brand: DFRobot

A waterproof DS18B20 digital temperature sensor kit with everything you need to connect to an Arduino. The stainless steel probe measures temperatures from -55°C to +125°C over a 1-Wire interface, requiring just one d...

SKU: DF-SEN0189 | Brand: DFRobot

The Gravity Analog Turbidity Sensor measures water clarity by detecting the level of suspended particles. It works by measuring light transmittance and scattering rate, which change with the amount of total suspended ...

SKU: SF-SEN-14709 | Brand: SparkFun

The AH1815 is an integrated Hall-Effect non-latched sensor. That’s nice but what does it do? Holding a magnet near the sensor will cause the output pin to toggle. This makes for a robust presence sensor. A reed sen...

SKU: AF-1713 | Brand: Adafruit

Add an ear to your project with this well-designed electret microphone amplifier with AGC. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, we use th...

SKU: DF-DFR0095 | Brand: DFRobot

An infrared transmitter is simply a Light Emitting Diode which generates IR light (invisible IR light)--light with a wavelength of between 1 mm and 750 nanometers, and some associated circuitry. In an infrared ...

SKU: AF-746 | Brand: Adafruit

The Adafruit Ultimate GPS Breakout (Version 3) is a high-performance GPS module built around the MTK3339 chipset. With 66 channels, -165 dBm tracking sensitivity, and up to 10 Hz position updates, it delivers accurate...

SKU: AF-4890 | Brand: Adafruit

Need to measure something with a very slim sensor? This precision 10K thermistor is an inexpensive way to measure temperature in a small gap, or taped to a flat surface, it's only 0.2mm wide!The resistance in 25°C is ...

SKU: SF-SEN-15901 | Brand: SparkFun

This Weather Meter Kit provides the three core sensors for a DIY weather station: an anemometer (wind speed), a wind vane (wind direction), and a rain gauge. All three sensors use passive magnetic reed switches rather...

SKU: AF-1766 | Brand: Adafruit

The "poor man's" accelerometer/motion sensor! These spring-vibration switches are high sensitivity non-directional vibration induced trigger switches. Inside is a very soft spring coiled around a long metal pin....

SKU: AF-1739 | Brand: Adafruit

This large enclosed piezo element (30 mm diameter) converts vibration to voltage and voltage to vibration, making it useful both as a buzzer for generating tones and as a sensor for detecting knocks and impacts. The e...

SKU: EF-EF08203 | Brand: ElecFreaks

The Smart Science IoT Kit from ElecFreaks is a comprehensive sensor and IoT learning kit built around the IoT:bit breakout board for micro:bit. It combines environmental sensors with WiFi connectivity, allowing studen...