Sensors & Input

SKU: SF-SEN-26092 | Brand: SparkFun

Visualise magnetic fields in real time with a dense 8x8 array of Hall-effect sensors. This tile lets you observe nearby magnets, current flow in wires and fields generated by electric motors as a live magnetic image.T...

SKU: SF-SEN-24409 | Brand: SparkFun

This compact breakout board measures moisture in soil and similar materials using two large exposed pads as conductivity probes. As the soil gets wetter, conductivity between the pads increases, resistance drops, and ...

SKU: DF-SEN0475 | Brand: DFRobot

Measure hydrogen fluoride concentration with a factory-calibrated electrochemical probe that supports analogue, I2C and UART output modes. It is designed for quickly building an HF concentration detector for industria...

SKU: DF-SEN0469 | Brand: DFRobot

This calibrated gas sensor measures ammonia concentration in the environment using an electrochemical probe. It supports three output modes — analogue, I2C and UART — so it can slot into a wide range of microcontrolle...

SKU: DF-FIT1036 | Brand: DFRobot

This compact 4015 BLDC motor combines a high-torque outer rotor motor with a factory-integrated AS5600 magnetic encoder, making it a neat motion-control package for robotics and precision motion projects.It is designe...

SKU: DF-SEN0690 | Brand: DFRobot

Add a slim linear touch input to curved or space-constrained surfaces with this flexible ribbon-style potentiometer. At just 0.45mm thick, it can conform to wearables, curved dashboards, soft robotics and other builds...

SKU: DF-SEN0684 | Brand: DFRobot

This graphene-based circular flex force sensor is built for pressure and touch sensing in tougher environments than standard FSR-style sensors. It detects force across a 20g to 6kg range, with resistance changing line...

SKU: DF-SEN0686 | Brand: DFRobot

This circular flexible potentiometer is a membrane-based position sensor for adding low-profile rotary or angular input to space-constrained electronics. Instead of using a bulky mechanical rotary switch, it detects p...

SKU: SF-COM-28383 | Brand: SparkFun

Add reliable audio input to your digital signal processing projects with this electret condenser microphone and stand-off washer. It has been selected for compatibility with the popular Teensy Audio Adaptor.The includ...

SKU: SF-SEN-27315 | Brand: SparkFun

The SpectraFlex Flex Sensor is a lightweight bend sensor for measuring flex and movement in research, industrial, wearable and maker projects. This 55mm version includes male pins, making it straightforward to connect...

SKU: SF-SEN-27312 | Brand: SparkFun

This 50mm MagnetoPot provides potentiometric position feedback without needing a traditional external wiper or actuator. An outside magnet guides the built-in magnetic element, allowing the sensor to report position t...

SKU: SF-COM-29199 | Brand: SparkFun

This adjustable dual-gang potentiometer gives you two linked variable resistors on a single shaft, making it handy for interfaces where two channels need to move together. Turn the shaft and the resistance changes, so...

SKU: AF-6379 | Brand: Adafruit

Measuring stretch and movement can be tricky, and this conductive rubber cord gives you a simple, hands-on way to do it. The cord is made from carbon-black impregnated rubber, with resistance that increases as it is p...

SKU: AF-1361 | Brand: Adafruit

This conductive material, also known as Velostat or Linqstat, is a handy addition to a wearable and sensor hacking toolkit. It is pressure-sensitive, so squeezing the sheet reduces its resistance, making it useful for...

SKU: AF-2831 | Brand: Adafruit

This Photo Transistor Light Sensor is a simple sensor that detects ambient light. It's kind of the opposite of an LED - when light hits the little chip inside, it induces current to flow from the long pin...

SKU: EC-SSE01209P | Brand: Elecrow

This is a high-precision temperature control module, it can not only show the temperature, but also according to the current temperature of the relay control, it can control some of the power equipment through the ...

SKU: SF-BOB-12758 | Brand: SparkFun

The SparkFun Electret Microphone Breakout pairs a small electret microphone capsule with a 60× OPA344 op-amp preamplifier, making it easy to detect sound with a microcontroller's analogue-to-digital converter. Pick up...

SKU: EC-DPI32110W | Brand: Elecrow

ESP32-S2-WROVER and ESP32-S2-WROVER-I use ESP32-S2 chip. The ESP32-S2 chip is equipped with an Xtensa® 32-bit LX7 single-core processor with a working frequency of up to 240 MHz. The user can turn off the power of the...

SKU: PI-COM1004 | Brand: Pimoroni

You'll find these rotary potentiometers in our Maker Essentials kit, but they're so useful we decided to offer them on their own! Pair them with something like our Explorer HAT Pro or Explorer pHAT to rea...

SKU: PI-PSA001 | Brand: Pimoroni

The Pulse Sensor Amped is a plug-and-play heart-rate sensor for Arduino. It detects pulse by measuring changes in reflected light as blood pumps through your tissues, providing a real-time analogue signal that fluctua...