M5Stack Cardputer: ESP32-S3 Pocket Computer

Summary

In this video, the M5 Stack Card Putter is explored as a compact and powerful device featuring an ESP32 S3 microcontroller, keyboard, and LCD screen. Priced at $29.90, it offers extensive connectivity options, including Wi-Fi and Bluetooth. The review highlights its various functionalities, such as a Wi-Fi scanner, voice recorder, and universal remote control, showcasing its potential for IoT projects. The device is user-friendly, compatible with Arduino programming, and encourages a growing community of developers to create innovative applications. Overall, the Card Putter combines versatility and fun in a small, engaging package.

Takeaways

• 😀 The M5 Stack Card Putter features an ESP32 S3 microcontroller, offering advanced capabilities in a compact design.
• 🛠️ Priced at approximately $29.90, it includes a small keyboard and a 1.14-inch color LCD screen with a resolution of 240x135 pixels.
• 🔋 The device is powered by a 1,400 mAh rechargeable battery, ensuring portability and usability.
• 📡 Connectivity options include USB-C with OTG functionality, 2.4 GHz Wi-Fi, and Bluetooth 5, making it versatile for various applications.
• 🎤 It comes equipped with an SPM 1423 MEMS microphone for audio input and a speaker for sound output.
• 🔑 The keyboard consists of 56 keys, suitable for entering data like network credentials but not intended for extensive typing.
• 💻 The Card Putter can be programmed using the Arduino IDE, allowing users to create custom applications and functionalities.
• 🔍 Pre-installed sample software enables users to easily explore features like Wi-Fi scanning, voice recording, and IR remote control.
• 🎨 The device's display can showcase colorful patterns and graphics, enhancing user interaction and creativity.
• 🌐 A growing community of developers is creating applications for the Card Putter, expanding its potential in IoT projects and other innovative uses.

Q & A

What is the M5 Stack Card Putter?

The M5 Stack Card Putter is a compact device that includes an ESP32 S3 microcontroller, a small keyboard, a screen, and various peripherals, designed for various applications in the Internet of Things (IoT).

What are the dimensions and weight of the M5 Stack Card Putter?

The M5 Stack Card Putter measures 84 x 54 x 19.7 mm and weighs approximately 92.8 grams.

What are the key features of the ESP32 S3 microcontroller used in the Card Putter?

The ESP32 S3 microcontroller features a 40 MHz dual-core processor, 512 KB of RAM, and 8 GB of SPI flash storage, along with support for Wi-Fi and Bluetooth connectivity.

How does the keyboard on the M5 Stack Card Putter function?

The keyboard consists of 56 keys designed for simple data entry, such as usernames and passwords, and provides tactile feedback with a satisfying click sound.

What are some of the pre-installed software applications available on the Card Putter?

The pre-installed applications include a Wi-Fi scanner, a voice recording tool, a chat application, an IR remote control, a terminal application, and a notepad program.

How can the M5 Stack Card Putter be programmed?

The Card Putter can be programmed using the Arduino Integrated Development Environment (IDE), which allows users to upload custom code to the device.

What is the purpose of the Grove connector on the Card Putter?

The Grove connector provides access to GPIO pins and allows for additional modules and sensors to be connected, enhancing the functionality of the device.

What unique feature does the Card Putter have regarding LEGO compatibility?

The Card Putter includes nodule designs that are LEGO compatible, allowing users to attach LEGO components to the device.

What type of batteries does the Card Putter contain?

The Card Putter contains a primary 1,400 mAh battery and a secondary 120 mAh battery for enhanced power management.

What community support exists for the M5 Stack Card Putter?

There is a growing community of users and developers creating applications for the Card Putter, with resources like M5 Burner software for firmware updates and a variety of sample programs available for download.