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Showing 81-100 of 100 products
Pixelblaze V3 Standard XL - WiFi LED Controller
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The Pixelblaze V3 Standard XL is a Wi-Fi addressable LED controller powered by an ESP32 dual-core processor at 240 MHz. It includes a web-based live pattern editor that lets you write, preview, and store LED patterns using a JavaScript/C-like expression engine — all from your browser with no soft...
NVMe Base Duo for Raspberry Pi 5
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Add two super-fast NVMe SSDs to your Raspberry Pi 5! Ideal if you need redundancy or just a load more storage on your RPi.NVMe Base Duo is a PCIe Gen 2 extension board for Raspberry Pi 5. Simply populate it with one or two M-key NVMe SSDs (2230 to 2280 sizes supported) and mount it under (or over...
ELECFREAKS micro:bit Jacdac Smart Exploration Kit
Description The ELECFREAKS jacdac smart exploration kit, which is based on micro:bit V2, is equipped with a variety of jacdac series sensors, including jacdac expansion boards, button sensors, light sensors, human infrared sensors, magnetic sensors, knob encoders, light ring modules, e...
CrowView Note 15.6inch-All-in-One Portable Monitor with FHD IPS Display
The CrowView Note is an innovative all-in-one portable monitor that cleverly integrates a high-definition screen, full-function keyboard, touchpad, and speakers into a single unit, creating a plug-and-play mobile workstation. It is perfectly compatible with smartphones, Raspberry Pi, Jetson Nano,...
Gravity: Laser PM2.5 Air Quality Sensor For Arduino
The Gravity Laser PM2.5 Air Quality Sensor uses laser scattering to measure suspended particulate matter concentrations in the air. It detects particles from 0.3 to 10 µm in diameter and outputs digital concentration data via a serial interface — ideal for building air quality monitors, weather s...
SLAMTEC MAPPER M1M1-360°Laser Mapping Sensor TOF 20m
SLAMTEC MAPPER M1M1-360°Laser Mapping Sensor TOF 20m is a new laser range scanner category with built-in mapping and localization feature.Slamtec Mapper, a new laser range scanner category integrating map building and real time localization and navigation, contains the SLAMTEC third generation hi...
Background Suppression Photoelectric Sensor (15~350mm)
This is a background suppression photoelectric switch with 15mm-350mm adjustable detection range (can be adjusted by the knob). Its response time is only 0.5ms, fast and stable. Adopting eco-friendly and durable ABS material, the sensor detection performance is not affected by color and backgroun...
Optomax Digital Liquid Level Sensor
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The Optomax is an optical liquid level sensor that detects the presence or absence of almost any liquid — oil or water based. Inside the polysulfone housing, an infrared LED and matching phototransistor work together: when dry, the IR light reflects internally back to the sensor; when the tip is ...
RS485 Soil pH, Moisture, and Temperature Monitoring Sensor in Soil-less Cultivation (Anti-corrosion, 5-30V)
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##Introduction This RS485 soil temperature, humidity, and pH sensor supports a broad voltage power supply range (5-30V) and communicates data through the reliable MODBUS-RTU protocol, allowing for seamless integration into existing automated irrigation systems. It can be paired with an Arduino UN...
RS485 MODBUS-RTU Soil NPK Measure Sensor for for Efficient Agricultural (IP68, 5-30V)
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##Introduction The Soil Sensor is designed to measure and monitor the nitrogen (N), phosphorus (P), and potassium (K) levels in soil, enabling the optimization of soil fertility and creating ideal conditions for plant growth. With a broad voltage power supply range of 5-30V and data output throug...
MODBUS-RTU RS485 Soil EC and pH Monitoring Sensor (IP68, 5-30V)
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##Introduction The soil electrical conductivity (EC) and pH sensor operate within a wide voltage range of 5-30V, transmit data via RS485 using the MODBUS-RTU protocol, and deliver quick, reliable responses with minimal interference from environmental factors. The sensor is designed for easy integ...
RS485 4-in-1 Soil Moisture, Temperature, pH & EC Sensor for Smart Agriculture (IP68, 5-30V)
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##Introduction The 4-in-1 soil sensor is designed to monitor key soil parameters: temperature, humidity, electrical conductivity (EC), and pH. With its wide voltage power supply range of 5-30V and RS485 data transmission using the reliable MODBUS-RTU protocol, this sensor delivers rapid, accurate...
ADS1015 12-Bit ADC - 4 Channel with Programmable Gain Amplifier
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Add high-speed analog-to-digital conversion to any microcontroller with the ADS1015 breakout. This 12-bit ADC delivers 3,300 samples per second over I2C, with four single-ended or two differential input channels and a built-in programmable gain amplifier (up to 16×) for boosting small signals. T...
STCC4 + SHT41 CO2, Temperature & Humidity Sensor
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This compact breakout combines the STCC4 CO2 sensor with a Sensirion SHT41 temperature and humidity sensor for convenient indoor air monitoring. The STCC4 measures true CO2 using a thermal conductivity method rather than estimating from VOCs, and the onboard SHT41 helps improve the CO2 measuremen...
Gravity: Analog Water Pressure Sensor
The Gravity Analog Water Pressure Sensor measures water or gas pressure and outputs a linear 0.5–4.5 V analogue signal proportional to the applied pressure (0–1.6 MPa). Using the DFRobot Gravity 3-pin interface, it connects directly to Arduino and other 5 V microcontrollers for easy integration i...
5V Metal Proximity Switch
This compact 5V inductive proximity switch detects metal objects at distances up to 4mm without physical contact. It features an NPN normally-open output, a fast response time under 1ms, and a 1,000Hz switching frequency — making it reliable for high-speed detection applications. With an IP67 pr...
XL-MaxSonar-WRLA1(MB7076)
The MB7076 XL-MaxSonar-WRLA1 is a weather-resistant ultrasonic ranging sensor with centimetre resolution and a 10 Hz read rate. It detects the nearest target from 20 cm to 1068 cm (over 10 metres) and provides three output options: analog voltage, analog envelope, and RS232 serial. Housed in a r...
Octopus Non-invasive AC current sensor TA12-100 Brick
The Octopus TA12-100 is a non-invasive AC current sensor brick from ElecFreaks. It uses a current transformer to measure AC current flowing through a wire without needing to cut or splice the circuit — simply clamp it around the conductor. The sensor outputs an analogue voltage proportional to th...
Octopus Flame Sensor
The Octopus Flame Sensor is a simple infrared-based module that detects the presence of a flame or fire source. Part of the Octopus Electronic Bricks system, it connects directly to Arduino and compatible boards with a standard 3-pin interface — just plug and play, no breadboard required. The mo...
Capacitive Proximity Sensor (1-10 mm)
A capacitive proximity sensor with an adjustable detection range of 1–10 mm, capable of detecting both metallic and non-metallic objects. Unlike inductive sensors that only respond to metals, this capacitive sensor detects anything with sufficient dielectric properties — including plastics, wood,...
