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 NB-IoT (Narrow Band-Internet of Things) technology is a new IoT technical branch and supports cellular data network connection of low power consumption device in WAN (Wide Area Network), which also called as LPWAN. NB-IoT...

INTRODUCTION NB-IoT (Narrow Band-Internet of Things) technology is a new IoT technical branch and supports cellular data network connection of low power consumption device in WAN (Wide Area Network), which also called as LPWAN. NB-IoT...

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 Do you want to do some projects with stepper motors such as an auto curtain, a XY Plotter, or a 3D printer? Generally, it's not an easy thing to drive stepper motor(s) with Arduino; but with this stepper motor shield, you...

INTRODUCTION While there are many types of temperature sensors available in the market, the DS18B20 Temperature Sensor form DALLAS is the best choice in applications which require high accuracy and high reliability. Its ultra-small size,...

INTRODUCTION The DFRobot Vibration Sensor buffers a piezoelectric transducer that responds to strain changes by generating a measurable output voltage change which is proportional with the strength of vibration. So you can know the...

INTRODUCTION Gravity: Digital Signal Isolator is capable of isolating I2C digital signal and providing isolated power to the sensor module, effectively preventing mutual interference between the sensor modules. This digital signal...

INTRODUCTION This is an Arduino digital infrared distance sensor. It has an adjustable detection range, 0cm - 200cm. It is small, easy to use, assemble, and inexpensive. Useful for robotics, interactive media, industrial assembly line,...

INTRODUCTION DFRobot's latest generation of digital DHT11 Temperature and Humidity sensor is as powerful as it used to be but easier to use. This DHT11 Arduino temperature and humidity sensor has a full range temperature compensation,...

INTRODUCTION The ML8511 is a UV sensor, which is suitable for acquiring UV intensity indoors or outdoors. It is equipped with an internal amplifier, which converts photo-current to voltage depending on the UV intensity. This unique...

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...