This is keyestudio ReSpeaker 2-Mic Pi HAT V1.0 shield designed for AI and voice applications. It is a low power stereo Codec based on the WM8960. | There are two microphones on the shield for sound collection, three APA102 RGB LEDs, one user button and two Grove connectors for application extension. | In addition, a 3.5mm audio jack or XH2.54-2PIN speaker output can be used for audio output. | With this shield, you can build a more powerful and flexible voice product that integrates Amazon Amazona voice services, Google Assistant, and more. | Technical Support: Connection Diagram, Sample Code, Using Method and Resources are provided in our wiki page. Technical support is available via email or message.

KEYESTUDIO ESP8266 WiFi Module can easily give any microcontroller access to your WiFi network. | Run out of the box that just simply hook this up to your Arduin device and get about as much WiFi-ability as a WiFi Shield offers. | Supports APSD for VoIP applications and Bluetooth co-existance interfaces. | Contains a self-calibrated RF allowing it to work under all operating conditions, and requires no external RF parts.

This electronic sensor kit contains 48 pieces most popular and mainstream sensors and modules, allow you to do a lot devices, robots and other interactive device with the best price. This kit Not contains arduino controller board. | Compatible with various micro-controllers and Raspberry Pi, such as mega 2560, r3 development board, pro micro, leonardo, etc. Note we only offer arduino instructions. | We provide detailed projects for each sensor based on development board, including wiring method, test code, etc. Download the arduino tutorial from wiki website. | This is high quality sensor kit with exquisite packaging. It's a perfect present for junior high and high school inventors, hackers, designers, and tinkerers of all levels. | The tutorial shows wiring for the Arduino and gives example code. All of this makes getting started with sensors quite easy. The professional support team is ready to answer any questions.

Please NOTE: Open the Arduino IDE, you’ll need to click the “Tools”, then select the Board that corresponds to your Arduino. If you don't choose the correct development board type, it will cause the compilation to fail to transfer. So this is a place that needs special attention. | The keyestudio Leonardo is a microcontroller board based on the ATmega32u4，It has 20 digital input/output pins (of which 7 can be used as PWM outputs), 12 analog inputs, a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button. | The Leonardo differs from other boards using separate USB-Serial chip in that the ATmega32u4 has built-in USB communication, eliminating the need for a secondary processor. | This allows the Leonardo to appear to a connected computer as a mouse and keyboard. | Has fcc and ce certification that they are made from environmentally friendly production technology and materials, made function,voltage, current testing before packaging

PERFECTLY COMPATIBLE with IDE Software: a nice upgrade to the r3 controller which will allow more complex programs and projects to be done | RIGHT OUT OF THE Box: uses the official ATmega IC instead of CH340G, no driver problem | EXCELLENT QUALITY: The build quality is good with straight headers and good soldering. It comes with instructions on downloading and installing a driver on Windows machines. They are well packed in a nice box. | FCC and CE CERTIFICATION: this board is made from environmental friendly components and materials, as well as user friendly production technology. It's a great prototyping tool for electronic project.

This Mega Plus board can work like the Arduino Mega R3 2560 but it is more powerful and has more pins | The USB-to-Serial chip of this board is stable and compatible CP2102; USB connector of it is Type C USB Port; Up to 5V, 1.5A output, can drive drive high-current devices like servo and motor | Additional SPI communication interface, IIC communication interface, Serial communication interface(4 channel); Serial2 (D17 is RX2, D16 equals to TX2), Serial3 (D15 is RX3, D14 is TX3), D0 and D1 are connected to MCU; External interrupt pins | The yellow text on black board makes identifying pinsets a breeze. FCC and CE is available | How to use: Search for "keyestudio wiki KS0499" in Google Chrome to get the wiki online tutorial for this product. Technical supports are available at any time!

Includes the BBC Microbit V2.2 which has new speaker sensor, Built-in 25 LEDs, 2 buttons, motion sensor, buzzer, light sensor, temperature sensor, compass, radio and Bluetooth wireless features make it easy to get you started with more fun projects. | This is an easy to use electronic board that is very versatile and can be coded many different ways. It can be integrated with other coding tools and on many platforms. | Coding is easy with online block guide, Javascript and python. Compiles to hex file, which you then copy to microbit (looks like a drive to pc) | Box contains: 1 microbit v2.2 board, 1 USB cable, 1 battery holder, 2 AAA batteries, user guide. Note the batteries are shipped in green or orange color randomly. | Free tutorials and project ideas available on the micro:bit website. The instructions are easy to follow for a beginner to learn to code with it.

【2 in 1 Robot Kit and Electronics Kit】-This tank robot car kit is compatible with Arduino and Mixly ((block programming platform) , ideal for Arduino beginners and professionals to learn robotics, electronics and programming.Teenagers or adults can learn coding from Scratch to Arduino after assembly and get a lot of fun of making. | 【Automatically Drive/Motion Control】-Keyestudio robot kit has many excellent functions, detecting, avoiding and following obstacles; following the lights; using 8X16 LED panel to display the movement status. You can also use infrared remote control and Bluetooth APP to control it (support iOS and Android).Have fun in the process of learning Arduino. | 【Simple Assembly】-With a detailed tutorial for assembling it，and all parts are named and organization. Four cartoon animal heads have been added to the kit so that you can install them on the ultrasound module,assemble with your child, it will be a wonderful experience! | 【Project-Based Tutorials for Coding】-This programmable robot supports Arduino IDE.15 detailed online projects, from simple to complex,easy to learn coding, robotics and electronics through games. Stimulate your creativity through hands-on experience. | 【KEYESTUDIO Technical Support】About this stem starter kit,we have a complete graphic description,please search for "KEYESTUDIO ks0428" in Google Chrome, you will get a detailed English User Manual.If there are any problems during use, please feel free to contact us and we will respond quickly to technical support.

This Raspberry Pico IO shield is designed for the Raspberry Pi Pico development board. Note Raspberry Pico is Not Included! | It also incorporates communications ports like 2 x I2C, 2 x UART, 2 x SPI, 3 x analog IO and 13 x digital IO as well as a 6.5-12V power interface. | On board with four block building holes can assist to wire up multiple sensors or modules, which exceedingly increases more functions. | DC input voltage: 6.5-12V ; Output voltage: DC3.3V V | There are 26 GPIO pins, so you will be motivated to create what you want to make.