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Showing 41-60 of 100 products
Octopus Analog Noise Sound Sensor Detection Module
Octopus Analog Noise Sound Sensor Detection Module is a sensor module based on MIC sound sensing element. Sound Sensor is particularly sensitive to sound intensity, and it can be used to detect ambient sound level. Louder noise brings bigger output Sine wave amplitude. Features: 1. Standard OC...
Passive Buzzer
This passive buzzer is a simple sound-making component for Arduino, microcontroller and electronics projects. Unlike an active buzzer, it needs a changing signal to produce sound rather than generating a tone automatically.You can drive it with a PWM signal to control the output, making it useful...
KnowFlow Basic Water Monitoring Kit
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Build a DIY water quality monitor for field studies, teaching or environmental projects with the KnowFlow Basic Kit. This Arduino-based kit measures two key water parameters: pH and electrical conductivity (EC).Data can be recorded automatically to a micro-SD card for later analysis, and the Blun...
Gravity: 9 Pcs Sensor Set for Arduino
This is DFRobot's basic sensor set for arduino. Set includes light sensor, touch sensor, temperature sensor, magnetic sensor, vibration sensor, tilt sensor, big button, LED lighting module and Grayscale sensor. To connect these sensors to Arduino, we suggest to use our IO expansion shield...
Assembled Adafruit HUZZAH32 – ESP32 Feather Board - with Stacking Headers
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Aww yeah, it's the Feather you have been waiting for, and now with stacking headers! The HUZZAH32 is our ESP32-based Feather, made with the official WROOM32 module. We packed everything you love about Feathers: built in USB-to-Serial converter, automatic bootloader reset, Lithium Ion/Polymer c...
Octopus Analog Rotation Brick-Blue
Octopus analog rotation brick is a 10K potentiometer module. Rotating the knob to change its resistance can realize voltage division while providing analog signals to the analog input IO ports of micro-controller. This module has a 3-wire anti-reverse connector, which makes it easy to connect ...
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...
20cm Male-to-Male Cable for UNIHIKER (3Pin*2 + 4Pin*1)
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This expansion cable kit is made for connecting Gravity-style modules directly to the UNIHIKER M10 and UNIHIKER K10 mainboards. Its plug-and-play design helps you hook up sensors, actuators and displays without needing extra expansion shields.The kit includes two 20cm PH2.0-3P male-to-male cables...
mbed Application Board
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Turbo-charge your mbed LPC1769 dev board with this compact but feature-full application board. Fully assembled, just plug in your mbed and you will be ready to rock.Featuring: 128x32 Graphics LCD 5 way joystick 2 x Potentiometers 3.5mm Audio jack (Analog Out) Speaker, PWM Conencted 3 Axis +/1...
Octopus Analog Photocell Brick OBPhotocell
The Octopus Analog Photocell Brick is a light-dependent resistor (LDR) module from the ElecFreaks Octopus Electronic Bricks series. It uses a cadmium-sulfide (CdS) photocell that changes resistance based on ambient light levels — the brighter the light, the lower the resistance. With its 3-pin co...
Octopus LM35 Analog Temperature Brick
The Octopus LM35 Analog Temperature Brick is a plug-and-play temperature sensor module based on the TI LM35D precision centigrade temperature sensor. The LM35 outputs a voltage linearly proportional to temperature (10 mV/°C), making it easy to read with any microcontroller's analog input — no cal...
Gravity: Starter Kit for Arduino
The Gravity Starter Kit for Arduino is a plug-and-play electronics toolkit designed for beginners and makers getting started with the Arduino platform. It includes a DFRduino UNO R3 microcontroller (fully compatible with Arduino UNO) along with 12 popular sensors and components from DFRobot's Gra...
Alcohol sensor for Arduino
An alcohol sensor module for Arduino with both digital (TTL) and analog output. It detects alcohol vapour in the 10–1000 PPM range, with analog output voltage increasing proportionally with concentration. The module also responds to LPG, natural gas, city gas, and smoke. The board features a pow...
Octopus MG811 CO2 Gas Sensor
Octopus MG811 CO2 Gas Sensor is a CO2 electronic brick in our OCTOPUS series, the basic design for the outlook, PCB fixing holes and connections are the same with them.The higher the CO2 concentration is, the lower the output voltage would be. The users can read the CO2 value easily after checkin...
Adafruit Silicon MEMS Microphone Breakout - SPW2430
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The Adafruit SPW2430 Silicon MEMS Microphone Breakout is a compact, low-cost microphone module that detects sound and converts it to an analog voltage — no external bias resistor or amplifier needed. With a frequency range of 100 Hz to 10 kHz, it's well suited for general-purpose audio recording,...
Crack the Code V2.0 kit no Arduino or Shield
Dive into the world of coding and electronics with the Crack the Code V2.0 Kit! This kit is designed to provide a hands-on learning experience, perfect for educators and students looking to explore essential concepts in programming and circuit design. With a variety of components included, you ca...
Keyestudio Microbit Smart Home Kit for BBC Micro Bit Starter Kit
Launched by Keyestudio, this smart home kit is based on the open-source hardware of Micro:bit and designed for those who dream of living a more comfortable life with the help of technologies. This smart home system, with Micro:bit as its control board, is equipped with a 1602 LCD, a DHT11 temper...
Gravity GP8600 1-Channel I2C/PWM 16-bit DAC Module
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This GP8600 module is a high-precision digital-to-analogue converter for connecting logic-level microcontrollers to industrial-style analogue control inputs. It accepts I2C or PWM signals and converts them for applications such as 0-5V, 0-10V and 4-20mA control.It is designed for automation and c...
TIMI-96 Starter Kit
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TIMI-96 is a breadboard-compatible display development module designed to make electronics testing, prototyping and education quicker and neater. It can be used stand-alone, driven by a host, tethered to a PC, or built into development projects.The module combines a 0.96” TFT LCD with a PIXXI-28 ...
ESP32(ESP-WROOM-32) WiFi Bluetooth Dual-Core MCU Module
INTRODUCTION The ESP32 WiFi and Bluetooth chip is the latest generation of Espressif products. It has a dual-core 32-bit MCU, which integrates WiFi HT40 and Bluetooth/BLE 4.2 technology inside. Compared to the arduino ESP8266 (the previous generation), the ESP32 has a significant ...
