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M5Stack · Espressif ESP32-S3 (StampS3), Arduino/ESP-IDF/UIFlow

Cardputer projects and builds

Pocket ESP32-S3 computer with a 56-key keyboard, 1.14-inch display, audio, infrared, microSD and expansion access.

Official page ↗Buying-link policy
Cardputer product photograph
Image: M5Stack product photography ↗ · Original image asset ↗Manufacturer product photograph copied locally at reduced WebP resolution solely to identify the device in independent editorial coverage. The image is attributed and linked to its original product page, is not used as a brand asset or endorsement, and should be removed if the rights holder objects.

Why it belongs on the bench

M5Stack Cardputer combines an ESP32-S3 StampS3 module with a 56-key keyboard, 1.14-inch display, microphone, speaker, infrared emitter, microSD slot and Grove expansion in a pocket computer format. Those interfaces suit the catalogue’s MicroHydra launcher, factory demo, firmware manager and authorized Wi-Fi or security-lab builds such as Bruce and NEMO. The listed original Cardputer is now marked end-of-life by M5Stack, and its factory repository separates the newer Cardputer ADV onto another branch. Buyers sourcing remaining stock should confirm the exact generation before selecting firmware or pin mappings.

Explore more M5Stack devices and projects.

Sources

Sources and further reading

Original project pages, manufacturer documentation and repositories used while preparing this page. Last reviewed .

  1. Cardputer official pageM5Stack
  2. m5stack/M5Cardputer-UserDemoGitHub repository
  3. echo-lalia/MicroHydraGitHub repository
  4. bmorcelli/M5Stick-LauncherGitHub repository

Cardputer projects and open-source builds

01
intermediatetime varies3 devices

Bruce firmware

Open-source ESP32 offensive-security toolkit for supported handheld boards, intended for authorized testing and education.

security lab
02
intermediatetime varies2 devices

NEMO portal and Wi-Fi toolkit

ESP32 firmware combining captive-portal demonstrations, Wi-Fi test functions and infrared tools on supported M5Stack devices.

security lab
04
beginnertime varies4 devices

M5Stack Launcher

Install and manage firmware binaries from SD card or over the network across supported ESP32 handheld boards.

device customization
06
beginnertime varies1 device

Cardputer AI offline chatbot

Run the project’s “8M” TinyTalk 2 chatbot entirely on the original Cardputer, without Wi-Fi, an API or an SD card.

edge ai

Guides for Cardputer

compare

How to choose a pocket ESP32 gadget: Cardputer vs T-Deck vs T-Embed

The Cardputer is the best low-cost choice for typing and experimenting with self-contained ESP32 apps; the T-Deck is the stronger communicator because it combines a larger touch display, keyboard, trackball and optional LoRa; the T-Embed is the compact control-panel choice built around a rotary encoder. Choose the input method and radio you need before comparing firmware ecosystems, because those differences matter more than headline processor specifications.

3 devices

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01