All Products

SKU: EC-CDD8266STW | Brand: Elecrow

A breadboard adapter for the popular ESP-01 model of the ESP8266 serial-to-Wi-Fi transceiver module. It converts the ESP-01's 2×4 pin header into two breadboard-friendly single-row headers with clearly labelled pin na...

SKU: EC-ACS33721L | Brand: Elecrow

You may need this item if you want to power your Arduino with a 3.7V LiPo battery to make it become a portable device. It made up of a “power cell” and “fuel gauge”, it allows you to connect a 3.7V single cell Lithium...

SKU: AF-4683 | Brand: Adafruit

This little buck converter based on the MPM3610 is a marvel, taking up to 21V input and providing a 3.3V output with up to 1.2A current. It's great for supplying power to popular 3.3V voltage circuits from a range of ...

SKU: EF-EF03061 | Brand: ElecFreaks

This is a DC to DC step-down module based on LM2596 3A Step-Down Voltage Regulator. The LM2596 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down(buck) swi...

SKU: EF-EF03081 | Brand: ElecFreaks

The NFC/RFID breakout based on PN532, which 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...

SKU: EF-EF04005 | Brand: ElecFreaks

Octopus Electronic Bricks, you can use them to build electronics projects just as easy as piling bricks. By using Octopus electronic bricks, you may connect Arduino / Freaduino compatible boards easily with various...

SKU: SF-SEN-14351 | Brand: SparkFun

The SparkFun AS7263 breakout brings near-infrared (NIR) spectroscopy to your microcontroller projects. The sensor measures six discrete NIR wavelengths, allowing you to characterise how different materials absorb and ...

SKU: SF-SEN-14347 | Brand: SparkFun

The SparkFun AS7262 Visible Spectral Sensor Breakout brings spectroscopy to the palm of your hand, making it easy to measure and characterise how different materials absorb and reflect different wavelengths of light. ...

SKU: AF-1374 | Brand: Adafruit

This breakout board is the simplest way to create a project with a single "momentary" 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: AF-3709 | Brand: Adafruit

The Adafruit SGP30 is a multi-pixel MOX (metal-oxide) gas sensor from Sensirion that measures Total Volatile Organic Compounds (TVOC) and equivalent CO2 (eCO2) for indoor air quality monitoring. With fully calibrated ...

SKU: SS-101020044 | Brand: Seeed Studio

Alcohol sensor is semiconductor sensor for alcohol detection. It has good sensitivity and fast response to alcohol, suitable for portable alcohol detector. Specifications Power requirements: 5 VDC @ ~120 ...

SKU: PL-2802 | Brand: Pololu

The Pololu RC Switch with Small Low-Side MOSFET converts standard hobby RC receiver outputs into simple on/off signals. It measures incoming RC pulse widths against a configurable threshold to control an integrated MO...

SKU: PL-1643 | Brand: Pololu

Sparkfun’s carrier board for the HIH-4030 relative humidity (%RH) sensor from Honeywell outputs an analog voltage that varies nearly linearly with humidity. It operates at 5 V while drawing only 200 μA and ...

SKU: PL-1633 | Brand: Pololu

This semiconductor gas sensor detects the presence of methane (CNG) gas at concentrations from 300 ppm to 10,000 ppm, a range suitable for detecting gas leaks. The sensor’s simple analog voltage interface re...

SKU: PL-2465 | Brand: Pololu

This small digital distance sensor detects objects between 0.5 cm and 15 cm (0.2″ and 6″) away. With its quick response time, small size, low current draw, and short minimum sensing distance, this sensor is ...

SKU: PL-2461 | Brand: Pololu

Discontinuation notice: These original (irs05a) versions of our 38 kHz IR proximity sensors have been replaced by newer (irs05b) high-brightness and low-brightness versions. The main changes are the locations o...

SKU: SF-SEN-11828 | Brand: SparkFun

RFID (radio-frequency identification) is the wireless non-contact use of radio-frequency electromagnetic fields, for the purposes of identifying and tracking tags attached to objects. This is the ID-20LA, a very simpl...

SKU: SF-SEN-13676 | Brand: SparkFun

The SparkFun BME280 Atmospheric Sensor Breakout measures barometric pressure, humidity, and temperature in a compact package. Whether you're building a weather station, home automation system, or indoor air quality mo...

SKU: DF-SEN0647 | Brand: DFRobot

The TOFSense F2 is a high-performance laser distance sensor using dTOF (Direct Time-of-Flight) technology. With 25m range, ±3cm accuracy, and 100Hz refresh rate, it's ideal for robotics, industrial automation, drones,...

SKU: AF-6426 | Brand: Adafruit

The Adafruit STHS34PF80 is a compact IR presence and motion sensor that detects human and animal presence up to 4 metres away — without requiring a lens. Unlike traditional chunky PIR sensors with simple digital outpu...