Sensors & Input

SKU: LB-24-THERMISTOR | Brand: Little Bird

A thermistor changes its resistance with temperature. Find our tutorial here A thermistor is a type of variable resistor whose resistance changes with temperature. Let's take a closer look at the thermistor module....

SKU: SF-SEN-15569 | Brand: SparkFun

This is the HC-SR04 ultrasonic distance sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04 module includes an u...

SKU: AF-4258 | Brand: Adafruit

The Adafruit LPS35HW is a water-resistant barometric pressure and temperature sensor from ST. The sensing element is housed in a ceramic package with waterproof gel protection, making it safe to use in damp and humid ...

SKU: SF-SEN-14520 | Brand: SparkFun

The SparkFun Capacitive Touch Breakout provides a single momentary touch button using the AT42QT1011 capacitive sense chip. Simply supply 1.8–5 V and ground — the chip handles all touch monitoring and outputs a digita...

SKU: SS-101020023 | Brand: Seeed Studio

The Sound sensor module is a simple microphone. Based on the power amplifier LM386 and the electret microphone, it can be used to detect the sound strength of the environment. The value of output can be adjusted b...

SKU: AF-2651 | Brand: Adafruit

The BMP280 from Bosch is a precision barometric pressure and temperature sensor, and the next-generation upgrade to the BMP085/BMP180/BMP183 family. With support for both I2C and SPI communication, it offers flexibili...

SKU: AF-2716 | Brand: Adafruit

The Adafruit SPW2430 Silicon MEMS Microphone Breakout is a compact, low-cost microphone module that detects sound and converts it to an analog voltage — no external bias resistor or amplifier needed. With a frequency ...

SKU: SF-SEN-09269 | Brand: SparkFun

Breakout board for the 3 axis ADXL335 from Analog Devices. This is the latest in a long, proven line of analog sensors - the holy grail of accelerometers. The ADXL335 is a triple axis MEMS accelerometer with extremely...

SKU: SF-DEV-09267 | Brand: SparkFun

The LilyPad Accelerometer is a three-axis accelerometer based on the Analog Devices ADXL335, designed for the LilyPad wearable e-textile system. It detects joint movement, inclination, and vibration, outputting 0–3 V ...

SKU: DF-SEN0130 | Brand: DFRobot

The Gravity MQ5 gas sensor is highly sensitive to LPG, natural gas, and town gas, with lower sensitivity to alcohol, cooking fumes, and cigarette smoke. The analogue output is proportional to gas concentration, and se...

SKU: PL-1479 | Brand: Pololu

This carrier board is designed to work with any of the MQ-series gas sensors, simplifying the interface from 6 to 3 pins—ground, power and analog voltage output—that are broken out with a 0.1" spacing, making the boar...

SKU: DF-SEN0138-L | Brand: DFRobot

A compact crash sensor (left-side variant) based on a miniature snap-action micro switch with roller lever. Designed for Arduino and compatible microcontrollers, this sensor module includes an onboard pull-up resistor...

SKU: SF-SEN-13763 | Brand: SparkFun

A low-cost, highly accurate digital humidity and temperature sensor breakout board based on the Silicon Labs Si7021. Communicates over I²C with just two data lines, providing relative humidity and precise temperature ...

SKU: DF-SEN0134 | Brand: DFRobot

The Gravity MQ-9 gas sensor detects carbon monoxide (CO) and combustible gases including methane and propane. It uses a semiconductor SnO2 sensing element that cycles between high and low temperatures — detecting CO a...

SKU: AF-364 | Brand: Adafruit

The PN532 is the most popular NFC chip, and is what is embedded in pretty much every phone or device that does NFC. It can pretty much do it all, such as read and write to tags and cards, communicate with phones (s...

SKU: AF-3316 | Brand: Adafruit

The Adafruit VL6180X is a close-range Time-of-Flight (ToF) distance sensor from ST that measures from approximately 5 mm to 100 mm (up to 150–200 mm in good conditions). It also includes a built-in ambient light senso...

SKU: PL-136 | Brand: Pololu

The Sharp GP2Y0A21YK0F is an infrared distance sensor that outputs an analogue voltage corresponding to the distance of the nearest object within its 10–80 cm detection range. Using IR triangulation, it provides relia...

SKU: SF-SEN-09836 | Brand: SparkFun

This new version adds 2 standoff holes as well as an extra decoupling capacitor. The ADXL345 is a small, thin, low power, 3-axis MEMS accelerometer with high resolution (13-bit) measurement at up to +-16 g. Digital...

SKU: SF-SEN-09570 | Brand: SparkFun

Melexis' MLX90614ESF-BAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and a powerful DSP contribute to the MLX90614’s high accuracy and resolution. It has a huge numb...

SKU: AF-3595 | Brand: Adafruit

The Adafruit APDS9960 is a multi-function sensor that combines proximity detection, ambient light sensing, RGB colour sensing and gesture recognition in a single I2C breakout. It uses an integrated IR LED and four dir...