Sensors & Input

SKU: DF-FIT0510 | Brand: DFRobot

These disposable ECG electrodes are designed for electrocardiogram (ECG) and other biopotential measurements. Each pack contains 12 self-adhesive electrodes made with breathable nonwoven fabric and medical-grade hypoa...

SKU: SF-SEN-09375 | Brand: SparkFun

This is a force sensitive resistor with a round, 0.5" diameter, sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the ...

SKU: EC-WCW32110W | Brand: Elecrow

The ESP-WROOM-32 is Espressif's powerful Wi-Fi, Bluetooth Classic, and BLE module built around the ESP32 dual-core processor. It's a versatile platform for IoT applications ranging from low-power sensor networks to de...

SKU: AF-1740 | Brand: Adafruit

This small (14mm diameter) piezo element is nicely enclosed so you can attach easily. Piezo elements convert vibration to voltage or voltage to vibration. That means you can use this as a buzzer for making beeps, tone...

SKU: SF-SEN-09088 | Brand: SparkFun

This is a very small light sensor. A photocell changes (also called a photodetector, photo resistor, CdS or photoconductive cell) resistance depending on the amount of light it is exposed to. These little sensors make...

SKU: AF-161 | Brand: Adafruit

CdS cells are little light sensors. As the squiggly face is exposed to more light, the resistance goes down. When its light, the resistance is about 5-10KΩ, when dark it goes up to 200KΩ. To use, connect one side o...

SKU: DF-DFR0896 | Brand: DFRobot

The ESP32-S3-WROOM-1-N4 is a powerful Wi-Fi and Bluetooth LE MCU module built around the ESP32-S3 SoC. Featuring a dual-core Xtensa LX7 processor running at up to 240MHz, 4MB SPI flash, and hardware acceleration for n...

SKU: EC-SPM32100S | Brand: Elecrow

This Moisture Sensor can be used to detect the moisture of soil or your pet plant's water level, let the plants in your garden reach out for human help. With the Octopus Electronic Bricks interface can very easy to us...

SKU: EF-EF04093 | Brand: ElecFreaks

Octopus Analog UV sensor (GUVA-S12SD) is the UV electric brick in our Octopus series, the basic design is from the Octopus electric bricks and the setting of its outlook, the PCB fixing hole and the connectors are the...

SKU: AF-1070 | Brand: Adafruit

This sensor can detect flexing or bending in one direction. They were popularized by being used in the Nintendo PowerGlove as a gaming interface.These sensors are easy to use, they are basically resistors that chan...

SKU: AF-3930 | Brand: Adafruit

This Reflective IR Sensor is a simple plastic casing with two elements - an IR LED and an IR phototransistor. You can control the IR LED and turn it on to bounce IR off objects to determine their reflectivity. Whit...

SKU: DF-DFR0026 | Brand: DFRobot

Here comes DFRobot's new Analog Ambient Light Sensor for Arduino or Raspberry Pi. Brand new design and much more convenient to use. This sensor help you to detect the light density and reflect the analog voltage s...

SKU: SF-ROB-09453 | Brand: SparkFun

This version of the QRE1113 breakout board features an easy-to-use analog output, which will vary depending on the amount of IR light reflected back to the sensor. This tiny board is perfect for line sensing applic...

SKU: DF-DFR0076 | Brand: DFRobot

This Gravity analog flame sensor detects fire and infrared light sources in the 760–1,100 nm wavelength range. With a 60° detection angle and analogue output proportional to flame distance, it's widely used in firefig...

SKU: SF-SEN-00246 | Brand: SparkFun

This sensor uses an infrared emitted diode combined with an infrared phototransistor to detect the reflected infrared signal. Ideal for sensing black-to-white transitions or can be used to detect nearby objects (.5-1cm).

SKU: DF-DFR0023 | Brand: DFRobot

This is an Arduino Temperature Sensor based on LM35 temperature chip. A Temperature Sensor can be used to detect ambient air temperature.The LM35 chip is produced by National Semiconductor Corporation and offers a fun...

SKU: DF-SEN0043 | Brand: DFRobot

An analog ambient light sensor based on the TEMT6000 detector, which has a spectral response closely matching the human eye with very low IR sensitivity. It outputs an analog voltage proportional to the ambient light ...

SKU: AF-2765 | Brand: Adafruit

The Mini 2-Axis Analog Thumbstick is a compact, self-centring joystick with a black rocker cap, similar in style to PSP joysticks. It provides smooth directional analogue input using two 10 kΩ potentiometers — one for...

SKU: SF-SEN-10264 | Brand: SparkFun

A simple flex sensor 2.2" in length. As the sensor is flexed, the resistance across the sensor increases. Patented technology by Spectra Symbol - they claim these sensors were used in the original Nintendo Power Gl...

SKU: DF-DFR0067 | Brand: DFRobot

This Gravity-compatible DHT11 sensor provides calibrated digital temperature and humidity readings via a single data pin. With an integrated 8-bit microcontroller and factory-calibrated coefficients stored in OTP memo...