INTRODUCTION NFC classic sticker (13.56MHz) is widely used in electronic locks or customer identification as well as other systems where a small and easy to carry tag is desired.The tag contains a NXP S50 chip and an antenna, and is...

INTRODUCTION Why are people always discussing the IoT? Why is IoT called the ‘extension of the internet’? Over the past 20 years, human race has experienced three big tides. From the earliest Internet-enabled PC to the iPhone that...

INTRODUCTION This is a Micro SD(TF) module from DFRobot. It is compatible with TF SD card (commonly used in Mobile Phone) which is the most tiny card in the market. SD module has various applications such as data logger, audio, video,...

INTRODUCTION micro:bit is a pocket-sized microcontroller designed for kids and beginners learning how to program, letting them easily bring ideas into DIY digital games, interactive projects and robotics. micro:bit comes with a variety...

INTRODUCTION This spear tip pH sensor/meter kit can directly stab into semisolid material to measure the pH value. It can be used to measure pH value of wet soil and various foods. The pH value of the soil is an important factor...

INTRODUCTION This pH combination electrode is made of sensitive glass membrane with low impedance. It can be used in a variety of PH measurements with fast response, good thermal stability. It has the good reproducibility, difficult to...

INTRODUCTION This Gravity Analog 20A current sensor is based on the Hall current sensing principle. It can be used for AC or DC current measurement, has a wide voltage range, a small footprint, requires no soldering and has a high level...

INTRODUCTION If you want to start playing with sensors, this kit will be the perfect choice for you to get started. It comes with bundle of the most popular DFRobot sensors such as light, gas, sound, touch, accelerometer and lots more...

INTRODUCTION Gravity: I/O Expansion Shield for OpenMV Cam M7 is an expansion shield specially designed for the OpenMV Cam M7. It is compatible with various sensors and electronic modules of Gravity series, plug and play, no soldering...

INTRODUCTION This gray scale sensor is able to measure the intensity of light from black to white. A gray scale is also known as black-and-white, are composed exclusively of shades of gray, varying from black at the weakest intensity to...

INTRODUCTION 3-Axis acceleration sensor is an electronic equipment which could measure the acceleration during the object motion. It could help you to analyse the target motion position or direction. The typical interactive application...

INTRODUCTION This time we reinvented the line-tracking sensor. Beyond recognizing two specific colors or output through digital or analog only, the Smart Gray Sensor has integrated both digital and analog output features. In digital...