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Showing 41-59 of 59 products · 1 unavailable product hidden
Gravity: Arduino Carbon Monoxide Sensor (MQ7)
INTRODUCTION This is an Arduino Carbon Monoxide Sensor. It uses MQ7 probe to detect Carbon Monoxide (CO) concentrations in the air from 20 to 2000ppm. The sensitivity can be adjusted by the potentiometer. The output is proportional to the density o...
Gravity:Terminal Sensor Adapter V2.0
This is universal sensor adapter V2.0, it can be accessed by digital input modules and analog input module. The module with Arduino sensor expansion board, in combination.Improvment compare with the old version,we add a 10K resistor between A & B, A & C respectively,so that you needn't to conne...
Gravity: URM09 Analog Ultrasonic Sensor
The DFRobot URM09 is an analog output ultrasonic distance sensor optimised for fast ranging and obstacle avoidance. With a maximum measurement rate of 30Hz, built-in temperature compensation, and a range of 2–500cm, it's a capable and easy-to-use sensor for robotics, automation, and detection pro...
Gravity:Analog ADKeyboard Module V2
This keyboard uses an analog input to read the five key state which saves IO resource for the Arduino. It can be used together with our I/O expansion boards to make amazing interactive project. SPECIFICATIONS Supply voltage: 5V/3.3V Interface: Analog Size: 55x33mm ...
MicroMod STM32F405 Processor Board
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This compact MicroMod processor board adds an STM32F405 to a compatible MicroMod Carrier Board, giving your project an ARM® Cortex®-M4 32-bit RISC core in a small, swappable M.2 module.The bevelled edge connector keys into the MicroMod M.2 socket and is secured with the screw supplied with MicroM...
Gravity: Analog Voltage Divider V2
The Analog Voltage Divider V2 can detect the supply voltage from 0.0245V to 25V. This module is based on resistor divider principle. The voltage detection module allows the input voltage to reduce 5 times. As the Arduino analog input voltage is normally maximum 5V, the input voltage of analog ...
Gravity: Steam Sensor
This is a steam(water)sensor from DFRobot. This steam sensor can be connected to the Arduino IO Expansion shield directly. The output voltage will increase when the humidity of the sensor surface goes up. Notice:The new version of analog sensor port pin mapping has been changed as the foll...
Gravity: Throw-in Type Liquid Level Transmitter
This throw-in type liquid level transmitter adopts high-performance pressure sensing chip, with advanced circuit processing and temperature compensation technology. The level transmitter receives different pressures at different depths of liquid, which can be converted into corresponding current ...
Gravity: Analog AC Current Sensor (5A)
When you want to measure the AC current, are you still having trouble cutting the wires, wiring or soldering. Gravity: Analog AC Current Sensor comes to the rescue, eliminating the need to cut wires or reconnect circuits. Simply clamp the AC transformer probe on the AC line, and then plug the 3.5...
Gravity: Analog AC Current Sensor
INTRODUCTION When you want to measure AC current it is impractical and hazardous to cut in to your live wiring. The analog AC current sensor developed by DFRobot is a good solution to this problem. Using induction you can measure AC current without intrusive methods. Pl...
Gravity: Digital Piezo Disk Vibration Sensor
The DFRobot Vibration Sensor buffers a piezoelectric transducer that responds to strain changes by generating a measurable output voltage change which is propotional with the strength of vibration.So you can know the extent of vibration. Different from digital vibration sensor that only accounts...
IR Reflectance Sensor - QRE1113
The QRE1113 is a small IR reflectance sensor. This sensor is often used in line following robots because, if it can sense if a surface is white or black. There are four pins on the QRE1113 - two control the IR emitting LED while the other two are the collector and emitter of a phototransisto...
Adafruit QT Py CH32V203 Dev Board with STEMMA QT
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The Adafruit QT Py CH32V203 is a tiny development board built around the WCH CH32V203G6 — a low-cost RISC-V microcontroller running at up to 144 MHz. In the compact QT Py form factor (Seeed Xiao compatible), it packs USB-C, a STEMMA QT connector, an RGB NeoPixel, and 10 GPIO pins into a board sma...
Arduino Portenta C33 Development Board
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##Introduction The Arduino Portenta C33 is a streamlined module that offers the high performance of the Arduino Portenta family at a lower price point, thanks to optimizations and streamlined features. Ideal to developing cost-effective, real-time applications, the Portenta C33 features the ARM® ...
Flex Sensor 2.2
A simple flex sensor 2.2" 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 Glove. I love the Nintendo Power Glove. It's so bad! The resistance of the flex s...
Flex Sensor 4.5
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 Glove. I love the Nintendo Power Glove. It’s so bad! The resistance of the flex se...
OCTOPUS OLED Display
OCTOPUS OLED Display is an OCTOPUS series electric brick with 128X64 OLED display.OLED display has characters of thin thickness, high brightness, self-emission, wide resolution and visual angle, wide temperature range and low power consumption,etc..It can be used for small patterns, alphabets,...
DS3231 High Precision RTC Clock Module for Raspberry Pi B+
A high-precision real-time clock (RTC) module based on the DS3231 IC, designed to plug directly into a Raspberry Pi B+ (and compatible with Arduino). The DS3231 maintains accurate timekeeping with ±5 ppm accuracy (±0.432 seconds per day) across −40 °C to +85 °C, and includes a coin cell battery b...
Flex Sensor 2.2
A simple flex sensor 2.2" 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 Glove. I love the Nintendo Power Glove. It’s so bad! The resistance of the flex s...
