Sensors & Input

SKU: SF-COM-10601 | Brand: SparkFun

An insulated reed switch that closes when exposed to a magnetic field and opens when the field is removed. The encapsulated design is more durable than glass reed switches and can be easily populated on a PCB. Key Fe...

SKU: LB-00111 | Brand: Little Bird

 Description:The rotary encoder is used to measure the speed and with PWM technology can achieve rapid speed devicesWith fixed bolt hole for easy installationGreat for DIY projectSpecification:Model: KY-040Workin...

SKU: DF-SEN0448 | Brand: DFRobot

A 4-wire slot-type photoelectric switch with integrated optical transmitter and receiver. The 5mm detection slot can detect objects passing through, including transparent materials, making it ideal for counting, posit...

SKU: AF-1375 | Brand: Adafruit

This breakout board is the simplest way to create a project with a single "toggle" capacitive touch sensor. No microcontroller is required here - just power with 1.8 to 5.5VDC and touch the pad to activate the sens...

SKU: SF-SEN-10289 | Brand: SparkFun

This AT407 basic tilt switch can easily be used to detect orientation. Inside the can is a ball that make contact with the pins when the case is upright. Tilt the case over and the balls don’t touch, thus not making a...

SKU: PL-2485 | Brand: Pololu

The Pololu Basic 2-Channel SPDT Relay Carrier provides simple, independent control of two single-pole, double-throw (SPDT) relay switches from low-voltage, low-current control signals. This assembled version comes rea...

SKU: SF-BOB-13906 | Brand: SparkFun

The SparkFun Multiplexer Breakout provides access to all pins and features of the 74HC4051, an 8-channel analog multiplexer/demultiplexer. The 74HC4051 allows you to turn four I/O pins into eight multifunctional, indi...

SKU: DF-SEN0216 | Brand: DFRobot

The Water Flow sensor measures the rate of a liquid flowing through it. The YF-S401 water flow sensor consists of a plastic valve body, flow rotor and hall effect sensor. It is usually used at the inlet end to det...

SKU: KI-5336 | Brand: Kitronik

The Kitronik Smart Air Quality Board provides a complete air monitoring and datalogging solution for the Raspberry Pi Pico. With an onboard BME688 environmental sensor, OLED display, real-time clock support, and Micro...

SKU: EC-SPS40201S | Brand: Elecrow

This Elecrow 4-channel IR reflective sensor module combines four infrared emitter/receiver pairs with a mainboard that processes all signals. When an object enters the detection range, the corresponding channel output...

SKU: PL-1137 | Brand: Pololu

The GP2Y0A02 is the longest-range optical distance sensor we carry, featuring a detection range of 8″ to 60″ (20 cm to 150 cm). The high maximum detection distance makes this sensor a viable alternative to ...

SKU: AF-381 | Brand: Adafruit

This is a pre-wired and waterproofed version of the DS18B20 sensor. Handy for when you need to measure something far away, or in wet conditions. While the sensor is good up to 125°C the cable is jacketed in PVC ...

SKU: PL-837 | Brand: Pololu

The Vishay TSOP34156 is a general-purpose modulated IR receiver for IR-based remote-control projects. It features a wide operating voltage range and allows for relatively high data rates; this particular unit is tune...

SKU: LB-PIR-CABLE | Brand: Little Bird

A compact passive infrared (PIR) motion sensor housed in a protective case with a 45cm cable. Detects motion within a 6-metre range and 120° field of view, making it ideal for security systems, automatic lighting, and...

SKU: DF-DFR0809 | Brand: DFRobot

The ESP32-C3-MINI-1-N4 is a compact Wi-Fi and Bluetooth Low Energy module from Espressif, built around the ESP32-C3FN4 chip with a 32-bit RISC-V single-core processor running at up to 160 MHz. It includes 4 MB of embe...

SKU: EF-EF03085 | Brand: ElecFreaks

The HC-SR04 is a widely used ultrasonic distance sensor that provides non-contact measurement from 2 cm to 450 cm with up to 3 mm resolution. It uses a 40 kHz ultrasonic transducer pair — one transmitter and one recei...

SKU: SF-PRT-14765 | Brand: SparkFun

The SparkFun Single Supply Logic Level Converter is logic level and power supply translator in one small package. This little board breaks out the Texas Instruments TXB0104 4-bit bi-directional voltage-level tran...

SKU: LB-LR0010 | Brand: Little Bird

Digital TempTemperature sensing module using an NTC thermistor. The output signal at ‘DO’ switches high when the preset (adjustable) temperature is reached. An analog output signal from the sensor is availab...

SKU: PR-PIM253 | Brand: Little Bird

Rainbow HAT is a feature-packed add-on board for the Raspberry Pi, loaded with sensors, inputs, displays, and LEDs. Use it as a weather station, clock, timer, mood light, or as a hands-on introduction to multiple Pi c...

SKU: LB-LR0018 | Brand: Little Bird

A compact reed switch module that closes its circuit when a magnetic field is present. Inside the glass envelope, a pair of ferromagnetic metal contacts come together when a magnet is brought close, and spring apart w...