Sensors & Input

SKU: SF-COM-08635 | Brand: SparkFun

Small electret microphone. Useful in acoustic and audio applications. Documents: Datasheet Example Audio LED control project by Adam Greig

SKU: SF-SEN-08606 | Brand: SparkFun

A simple flex sensor 4.5" 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: 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: SF-BOB-13878 | Brand: SparkFun

The SparkFun Load Sensor Combinator is a bare PCB that combines four load sensors into a standard four-wire Wheatstone bridge configuration. If you open up an electronic bathroom scale, you’ll find a large rat’s ne...

SKU: DF-SEN0159 | Brand: DFRobot

The Gravity CO2 Gas Sensor uses an MG-811 electrochemical sensing element to detect carbon dioxide concentration in the air. The output voltage decreases as CO2 concentration increases, and an onboard potentiometer le...

SKU: SF-COM-00299 | Brand: SparkFun

The Texas Instruments CD74HC4067 is a 16-channel analogue multiplexer/demultiplexer IC. It allows you to route one of 16 analogue signals to a single common pin (or vice versa) using just 4 digital control lines plus ...

SKU: SF-SEN-13715 | Brand: SparkFun

This is a stainless steel, Type-K Thermocouple probe. A thermocouple works by taking two wires made of dissimilar metals, connecting them at the two ends, and making a temperature gradient between one end and the othe...

SKU: SF-DEV-13712 | Brand: SparkFun

The SparkFun OpenLog is an open-source serial data logger based on the ATmega328 running at 16 MHz. It logs incoming serial data directly to a microSD card, supporting cards from 64 MB to 64 GB in FAT16 or FAT32 forma...

SKU: DF-DFR0029-W | Brand: DFRobot

Press to release pleasure! Our redesigned digital push buttons come with LED, immersion gold surface, and bright colored hats. A captital D at left corner indicates that it is a digital sensor. An illustration of b...

SKU: SF-COM-13699 | Brand: SparkFun

The SN74HC595N is a simple 8-bit shift register IC. Simply put, this shift register is a device that allows additional inputs or outputs to be added to a microcontroller by converting data between parallel and serial...

SKU: AF-166 | Brand: Adafruit

The Interlink 402 is a round force-sensitive resistor (FSR) with a 12.7 mm (0.5″) sensing area. It changes resistance based on applied pressure — the harder you press, the lower the resistance — making it a simple, lo...

SKU: DF-SEN0169 | Brand: DFRobot

This is a professional Arduino pH Sensor Meter Kit with industrial electrode. It has built-in simple, convenient , practical connection and long life (up to 1 year), which makes it very suitable for long term onli...

SKU: DF-SEN0170 | Brand: DFRobot

A three-cup anemometer kit with 0–5V analog voltage output for building custom weather stations and wind monitoring systems. The aluminium alloy construction provides high strength, weather resistance, and corrosion r...

SKU: AF-3133 | Brand: Adafruit

The Adafruit Ultimate GPS FeatherWing brings precise, low-power GPS to the Feather ecosystem. Built around the MTK3339 chipset, it tracks up to 22 satellites on 66 channels with -165 dBm sensitivity and delivers up to...

SKU: AF-372 | Brand: Adafruit

An epoxy-coated precision NTC thermistor with a 10kΩ resistance at 25°C and ±1% accuracy. The resistance decreases as temperature rises and increases as it cools, making it straightforward to measure temperature with ...

SKU: AF-375 | Brand: Adafruit

A magnetic reed switch encased in an ABS plastic shell, commonly used to detect when a door, window, or drawer is opened. The switch half contains a normally-open reed contact, and the other half is a magnet. When the...

SKU: AF-3295 | Brand: Adafruit

Keep track of time even when your project loses power or gets reprogrammed. The PCF8523 Real Time Clock breakout is a battery-backed RTC that communicates over I2C and works with both 3.3 V and 5 V power and logic. Pe...

SKU: SF-SEN-12969 | Brand: SparkFun

A 10-pack of disposable biomedical sensor pads (electrodes) for measuring EEG, ECG, and EMG signals. Each pad features integrated latex-free gel for strong skin adhesion and a snap connector that attaches easily to el...

SKU: AF-3290 | Brand: Adafruit

A platinum resistance temperature detector (RTD) with a 100 Ω resistance at 0°C, offering superior accuracy and long-term stability compared to thermocouples and thermistors. PT100 sensors are widely used in laborator...

SKU: SF-PRT-10561 | Brand: SparkFun

Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder, like ...