Cardputer-Adv is a programmable card-sized computer powered by the Stamp-S3A core module (based on ESP32-S3FN8). It integrates a 1.14" LCD display and a 56-key minimalist keyboard for convenient interaction and input operations. In terms of audio, it features an ES8311 audio codec, a high SNR MEMS microphone, an NS4150B amplifier, and a 1W speaker, providing high-quality audio input and output capabilities. Additionally, it has a 3.5mm audio output jack for connecting external headphones or speakers. Internally, it is equipped with a 1750mAh high-capacity lithium battery, combined with a low-power design and an independent power switch to ensure good battery life. It integrates a 6-axis motion sensor BMI270, an infrared emitter, a microSD card slot, and also provides an HY2.0-4P Grove port and an EXT 2.54-14P expansion bus for connecting sensors and other peripherals. The base contains magnets for metal attachment and is compatible with LEGO hole extensions. This product is suitable for quick function prototyping, industrial control, home automation, and other scenarios.