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Showing 21-40 of 50 products · 10 unavailable products hidden
Gravity: Electrochemical Oxygen Sensor (0-100%Vol) - I2C
This full-scale oxygen sensor uses an original AO2 CiTiceL electrochemical probe to measure oxygen concentrations from 0–100%Vol via I2C digital output. A built-in calibration algorithm on the signal board supports single-point or double-point calibration for accurate readings in demanding enviro...
RFID Reader with Cards Kit- 13.56MHz
This RFID kit includes a 13.56M RF reader module, which use the RC522 IC, plus 2 S50 RFID cards to help you learn and add the 13.56 MHz RF transition to your project. The MF RC522 is a highly integrated transmission module for contactless communication at 13.56 MHz, it supports ISO 14443A/MIFARE ...
Arduino Portenta C33
The Arduino Portenta C33 is a cost-effective industrial-grade module built around the Renesas R7FA6M5BH2CBG Arm Cortex-M33 microcontroller running at up to 200 MHz. It supports MicroPython and Arduino sketches, with onboard Wi-Fi, Bluetooth Low Energy, and 100 Mbps Ethernet for connected applicat...
Environment Science Expansion Board V2.0 for micro:bit
The Environment Science Expansion Board V2.0 is a micro:bit add-on designed for STEAM education, integrating 14 environmental sensors and modules onto a single tree-shaped board. Students can measure UV levels, temperature, humidity, air pressure, air quality, water quality, soil moisture, sound,...
50cm NTC Thermistor Temperature Sensor 10K 3470
A waterproof NTC thermistor temperature sensor with a 100cm (1 metre) cable and stainless steel probe. The 10KΩ resistance at 25°C and standard B-constant make it easy to read with an Arduino or other microcontroller ADC input — just use a voltage divider with a matching 10K resistor. Key Featur...
A01NYUB Waterproof Ultrasonic Sensor
A waterproof ultrasonic distance sensor with UART serial output. The A01NYUB measures distance by timing the ultrasonic pulse echo and outputs the result directly via asynchronous serial at 9600 bps — no external signal processing needed. With the included removable bell-mouth fitted, the effecti...
Gravity: Analog TDS Sensor/Meter for Arduino
The Gravity Analog TDS Sensor is an Arduino-compatible kit for measuring Total Dissolved Solids (TDS) in water. TDS indicates how many milligrams of soluble solids are dissolved per litre — the higher the value, the less clean the water. This sensor outputs a 0–2.3V analog signal that can be read...
5pcs NTC 10K Ohm Thermistor Temperature Sensor Cylinder Probe 1m Wire
A pack of five NTC thermistor temperature probes, each with a 1-metre wire lead for remote temperature sensing. These 10 KΩ (at 25°C) NTC sensors are sealed in a cylindrical metal probe for durability and are suitable for measuring temperatures from −30°C to +110°C. NTC thermistors decrease in r...
Adafruit Feather RP2040 Adalogger - 8MB Flash with microSD Card
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The Feather RP2040 Adalogger combines the RP2040 dual-core processor with a MicroSD card holder for data logging and file storage. It features 8 MB SPI flash, 264 KB SRAM, USB Type C, STEMMA QT connector, and built-in LiPo battery charging — ready for portable data recording projects with Arduino...
Adafruit Feather 32u4 RFM69HCW Packet Radio - 868 or 915 MHz
The Feather 32u4 RFM69HCW Packet Radio (868/915 MHz) combines an ATmega32u4 microcontroller with an SX1231-based packet radio transceiver, USB connectivity, and LiPo battery charging. It offers longer range than 2.4 GHz protocols (Bluetooth, Wi-Fi, ZigBee) with more flexibility than BLE, making i...
Gravity: Analog pH Sensor/Meter Kit V2
The Gravity Analog pH Sensor/Meter Kit V2 is designed to measure the pH of liquids, indicating acidity or alkalinity on a scale of 0–14. It's commonly used in aquaponics, aquaculture, hydroponics, and environmental water testing. The kit includes a laboratory-grade pH probe, a signal conversion b...
Adafruit Feather M0 RFM69HCW Packet Radio - 868 or 915 MHz
The Feather M0 RFM69HCW Packet Radio (868/915 MHz) combines the ATSAMD21G18 ARM Cortex M0+ processor with an SX1231-based RFM69HCW radio transceiver for wireless data communication at 868 or 915 MHz. The exact radio frequency is software-configurable, allowing you to tune dynamically for your reg...
Fermion: I2C LIS331HH Triple Axis Accelerometer (Breakout) (±6g/±12g/±24g)
The LIS331HH is an ultra-low-power high precision triple-axis linear accelerometer with 16-bit data output. It has user selectable full scales of ±6g/±12g/±24g and is capable of measuring accelerations with output data from 0.5Hz to 1kHz. Its power consumption is as low as 10μA. The device contai...
SparkFun Logic Level Converter - Bi-Directional
The SparkFun Bi-Directional Logic Level Converter safely translates signals between different voltage levels — stepping 5V down to 3.3V and 3.3V up to 5V on the same channel. It also works with 2.8V and 1.8V devices, making it a versatile bridge between mixed-voltage systems. Each board provides...
Electronics Components Basic Starter Kit
Packing list: 10 × White LEDs10 × Yellow LEDs10 × Blue LEDs10 × Green LEDs10 × Red LEDs1 × RGB LED2 × Photoresistors (LDR)1 × Thermistor5 × Rectifier Diodes (1N4007)5 × NPN Transistors (PN2222)1 × Optocoupler IC (4N35)1 × Shift Register IC (74HC595)10 × Tactile Push Buttons (small)1 × Active...
Temperature Sensor - High Temperature, Waterproof (DS18B20)
A sealed, waterproof DS18B20 digital temperature probe for precise measurements in wet or harsh environments. The sensor communicates over a 1-Wire interface, requiring just one data pin (plus ground) to connect to your microcontroller. It can even be parasitically powered from the data line. Ea...
SHT20 I2C Temperature Humidity Sensor (Waterproof Probe)
This SHT20 I2C temperature & humidity sensor is equipped with waterproof probe. It comes with the 4C CMOSens® SHT20 temperature & humidity sensor chip and the probe has gone through dual waterproof protection test. The SHT20 I2C temperature & humidity sensor adopt Sensirion techniqu...
Adafruit ENS160 MOX Gas Sensor - Sciosense CCS811 Upgrade
The Adafruit ENS160 is a fully integrated metal-oxide (MOX) gas sensor from ScioSense, designed as a drop-in upgrade for the now-discontinued CCS811. It combines multiple MOX sensing and heating elements on a single chip to provide detailed air quality readings including TVOC (Total Volatile Orga...
Adafruit Feather 32u4 RFM95 LoRa Radio - 868 or 915 MHz
The Feather 32u4 RFM95 LoRa Radio (868/915 MHz) combines an ATmega32u4 microcontroller with an SX1276 LoRa radio transceiver, USB connectivity, and LiPo battery charging. LoRa modulation provides dramatically longer range than standard packet radio — over 2 km line-of-sight with default settings ...
Gravity: Arduino Alcohol Sensor (MQ3)
An analogue alcohol gas sensor based on the MQ-3 probe, designed for use with Arduino and other microcontrollers. The sensor outputs a voltage proportional to the concentration of alcohol vapour in the surrounding air, making it suitable for breathalyser-style projects, air quality monitoring, an...
