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.

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!

【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.

Smart Watch DIY for Arduino: it is a tft lcd screen board, but you can wear it like a smartwatch, more fashion. It intergates HM-10 Bluetooth, ATmega32u4 Control Chip, Power Switch, Rechargeable Battery, Buzzer, micro USB, DS1302 Clock, etc. The wristband is made of skin-friendly material,which is soft and comfortable. | Multi-Functions you can do with this smart watch: Turns on your wearable smart watch to get started with timekeeping, counting your steps or making your own sleep alarm. The time, date, number of steps, and alarm on the dial can be set at will, and the screen brightness can be adjusted at will. Available to see more timely collection of sports data on the watch, or view more comprehensive data through the mobile phone app. | Long Standby: Built-in an Rechargeable battery, standby up to 10 hours. Just simply connect it to a computer with a micro USB cable to upload the Code or charge the battery. You can also power it with an external battery(3.7-4.2V) connected at the PH2.0MM-2P BAT connector to get started. | Able to take apart and put together easily. Everything you need is in the packaging box including screwdriver tools. It will give you an unexpected surprise and you can do it by yourself.