INTRODUCTION 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 stablility and high sensitivity,...

INTRODUCTION A9 is a complete quad-band GSM/GPRS module based on RDA8955. The cost reduction of the core chip provides users a cost-effective IoT solution. Integrating protocol stacks such as GSM/GPRS inside, this module supports the...

The 3pi+ 32U4 Control Board is designed to be assembled with a 3pi+ Chassis Kit and a pair of 6V Micro Metal Gearmotors with extended motor shafts to create a 3pi+ 32U4 robot. This product is primarily intended as a replacement product...

The 3pi+ 32U4 is a versatile, high-performance, user-programmable robot that measures just 9.7 cm (3.8″) in diameter. At its heart is an ATmega32U4 AVR microcontroller from Microchip (formerly Atmel), and like our A-Star 32U4...

This chassis gives you everything you need to build your own differential-drive 3pi+ robot based on you own choice of Micro Metal Gearmotors and electronics. Motors are deliberately not included with the kit so that you can pick your own...

INTRODUCTION This is a breakout version of BMP280 Barometric Pressure Sensor from DFRobot with temperature and pressure measurement functions, supporting Arduino code control. Housed in an extremely compact package, the BMP280 is based...

INTRODUCTION This micro:bit-based expansion board, specially designed for STEAM education, allows students to measure environmental conditions for scientific experiments by using rich on-board sensors that cover all basic aspects of...

INTRODUCTION The ESP32-S2-Kaluga-1 is a development kit mainly designed for human-computer interaction applications. It includes one main-board and four extension boards that support: touch panel control, audio playback, LCD display and...

INTRODUCTION ESP32-S2-Saola-1 is a small-sized ESP32-S2-based development board. Most of the I/O pins are broken out to the pin headers on both sides for easy interfacing. Developers can either connect peripherals with jumper wires or...

INTRODUCTION Would you like to add voice to your projects? Connect up this Speech Synthesis module, add few couples of lines of code, then here goes, your project starts speaking. Both Chinese and English are "so easy" for this speech...

This is a 20W DC-DC buck converter power module with 7~24V input and 5V/4A output(Max). The high conversion efficiency and on-board 6 output ports make it suitable for connecting multiple devices like, large current servos, programmable...

Main function Output constant current adjustable. ​Output constant voltage adjustable. LCD voltage and currrent display. Constant voltage and current operation in individual. ​Over current protection Primary Technical Parameter The power...