In many applications, lithium batteries are used as our power solutions. In this kind of application, the most two important things are the power boost and battery charger. These two points are a p...

This is a 20W adjustable DC-DC buck converter module with digital display. It is based on LM2596 3A step-down voltage regulator and supports an input of 0~40V DC with an accuracy of ± 0.05V. On a ...

Stereo Enclosed Speaker is a new passive speaker with JST PH2.0 interface. It is a perfect option for any DIY audio project which requires an 8 ohm impedance and 3W power. The suitable size and scr...

Most ultrasonic distance sensors aren't waterproof which can be a problem if you need your project to withstand the elements outdoors. No need to worry any more! This is a waterproof & ultrason...

This Power Module is a small size 5A 350KHz 25V Buck DC to DC Converter. It can convert any DC voltage between 3.6V-25V to a selectable voltage from 3.3V to 25V. You can choose 5V direct output vol...

This is a photoelectric water liquid level sensor that operates using optical principles. The advantages of this photoelectric water liquid level sensor are good sensitivity and no need for mechani...

DFPlayer mini MP3 player is a small and low cost MP3 module player with a simplified output directly to the speaker. The module can be used as a standalone module with attached battery, speaker and...

Inside the tilt switch is a pair of balls that make contact with the pins when the case is upright. Tilt the case over and the balls don’t touch, thus not making a connection. It is wired to the SI...

Most of automated robotic projects start from a line-following robot, Grove - Line finder v1.1, designed to achieve this task easily and quickly. Those eye-like sensors on the board are actually IR...

There is an IR detector on the Infrared Receiver which is used to get the infrared light emitted by the Infrared Emitter. The IR detector have a demodulator inside that looks for modulated IR at 38...

The DFRobot Solar Power Manager series are designed for IoT projects and renewable energy projects, providing safe and high-efficiency embedded solar power management modules for makers and applica...

FRobot Solar Power Manager series are designed for IoT projects and renewable energy projects, providing safe and high-efficiency embedded solar power management modules for makers and application ...

This Solar lipo charger is designed for single Lithium battery (3.7V) for intelligent charging, with input reverse polarity protection. The maximum charging current is 500 milliamperes and the con...

Some RS485 shields for the Arduino are not suitable for professional use, because they come without galvanic isolation between the RS485 bus and the Arduino. Without such isolation, it's possible ...

Note: This item is a kit which requires assembly and soldering. Different Arduino MKR Shields can be used via our HAT as an extension for the Raspberry Pi. Furthermore, Arduino offers different Ar...

Build up a simple environmental monitor station with this multi-function environment sensor! Based on the combination of CCS811+BME280 chip, this module features high accuracy, I2C interface, and f...

Grove Base Shield provides a simple way to connect with Arduino boards and help you get rid of breadboard and jumper wires. With the 16 on-board Grove Connectors, you can easily connect with over 3...

Grove - RGB LED Stick (15-WS2813 Mini) is a cost-effective full color LED stick with 15 chainable and programmable WS2813 mini LEDs. This Grove - RGB LED stick is similar to Grove - RGB LED stic...

Grove - DPS310 is a high precision barometric pressure sensor, it can measure air pressure change caused by height changes in the centimeter level. Typical Applications: Indoor Navigation (floo...

Provide reliable data for air purifier system Easy maintenance PWM output Grove compatible interface Compact and light design. This Dust Sensor gives a good indication of the air quality in an env...

This is a non-contact water / liquid level sensor for Arduino. It utilizes advanced signal processing technology by using a powerful chip (XKC-Y25-T12V) with high-speed operation capacity to achiev...

Fast robotics prototyping made simple thanks to this expansion shield. No need of soldering and wiring, things that often becomes an issue when a bridged connection happens and components break. Of...

The Gravity: I2C Oxygen Sensor is based on electrochemical principles and it can measure the ambient O2 concentration accurately and conveniently. With high anti-interference ability, high stablili...