INTRODUCTION A relay is an electrically operated switch, which has a control system (also known as the input circuit) and the controlled system (also known as the output circuit), usually used in automatic control circuit. It is actually...

INTRODUCTION If you are familiar with our product, you will find there is waterproof temperature sensor named DS18B20. This waterproof temperature sensor kit is using the same probe——DS18B20 probe AS . It contains a probe with a resister...

BNO055 is a new sensor IC for implementing an intelligent 9-axis Absolute Orientation Sensor. It is a system in package, integrating a triaxial 14-bit accelerometer, a triaxial 16-bit gyroscope, a triaxial geomagnetic sensor and a 32-bit...

The DFRobot heart rate sensor is a thumb-sized heart rate monitor designed for Arduino microcontrollers . This heart rate monitor sensor is a pulse sensor which is developed based on PPG techniques. This is a simple and low-cost optical...

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...

Ever want to build your own weather station? This IoT weather station kit includes an anemometer , wind vane, and rain bucket . The serial communication method provides good compatibility and makes it easy to use with most controllers in...

INTRODUCTION "Greenhouse Effect" is melting the Earth ice core every minute and creating dangerous icebergs. By knowing the exact concentration of CO2, we can do something to reduce the CO2 and to protect our Earth. For that reason, this...

INTRODUCTION This RS-485 Sensor Node module can be used in various applications such as intelligent agriculture, environment monitoring,home automation...etc. It is a Internet of things device. This RS-486 Sensor node provides 6 channel...

INTRODUCTION Annoyed with finding screwdriver when connecting wires, this Screwless Terminal Shield is a new way to plug wires to a terminal. This shield features modular screwless terminal blocks which are flexible and efficient and the...

INTRODUCTION Romeo family is an All-in-One Arduino based control board especially designed for robotics applications from DFRobot. It benefits from the Arduino open source platform, it is supported by thousands of open source codes, and...

INTRODUCTION This is a 100 Farad capacitor. Combine two in series for 50F/5.4V. Our testing told us that two of these can power Arduino for 4 hours (with one LED). And you can recharge the capacitor just within 30 seconds. It can be used...

INTRODUCTION The upgraded Arduino Input Shield includes a two axis mini joystick (with moment switch) as well as four colored push buttons (Red,Yellow,Blue,Green). The reserved APC220 Radio Data Module (SKU:TEL0005) interface and the...