# AI Desktop Companion
> Thread: #ai-desktop-companion (Discord thread in #projects)
## StackChan Kawaii — M5Stack
**Product:** StackChan Kawaii Co-Created Open-Source AI Desktop Robot
**SKU:** K151
**Price:** $99.00
**Status:** Out of Stock (pre-order)
**Shop:** https://shop.m5stack.com/products/stackchan-kawaii-co-created-open-source-ai-desktop-robot
**Docs:** https://docs.m5stack.com/en/stackchan
**GitHub:** https://github.com/m5stack/StackChan
**iOS App:** https://apps.apple.com/app/stackchan-world/id6756086326
**Website:** https://stackchan.world/home
### What It Is
A super kawaii AI desktop robot co-created by M5Stack and the community. Listens, responds, makes expressions, dances, acts as a voice assistant, smart-home controller, and even a tiny home guardian with its camera.
### Key Specs
| Spec | Detail |
|---|---|
| **MCU** | ESP32-S3, 240 MHz dual-core LX7 |
| **Memory** | 16MB Flash, 8MB PSRAM |
| **Wireless** | Wi-Fi 802.11 b/g/n (2.4 GHz), BLE 5 |
| **Display** | 2.0" IPS LCD, 320×240, 65536 colors, capacitive multi-touch |
| **Camera** | GC0308, 640×480 (0.3 MP) |
| **Audio In** | Dual microphones, ES7210 codec |
| **Audio Out** | 1W speaker, AW88298 I2S amp |
| **Sensors** | Proximity (LTR-553ALS-WA), 9-axis IMU (BMI270 + BMM150) |
| **Touch** | 3-zone touch panel (Si12T) |
| **NFC** | ST25R3916 full-featured |
| **IR** | Transmitter + receiver (IRM56384) |
| **LEDs** | 12× WS2812C RGB |
| **Servos** | 2× feedback servos — 360° horizontal, 90° vertical |
| **Battery** | 700 mAh |
| **Power Mgmt** | AXP2101, RTC BM8563 |
| **Expansion** | microSD, 3× Grove ports, LEGO-compatible holes |
| **Size** | 54 × 70 × 62 mm |
| **Weight** | 187g |
### Firmware & Dev
- **Default firmware:** XiaoZhi AI agent, facial expressions, motion, iOS video calls, remote avatars, nearby StackChan discovery
- **Programming:** Arduino IDE, PlatformIO, ESP-IDF, UiFlow2
- **Burner tool:** M5Burner (Win/Mac/Linux) for firmware flashing
- Current factory firmware: V0.12
### Links
- [CoreS3 docs](https://docs.m5stack.com/en/core/CoreS3) (the main controller unit)
- [Schematics](https://docs.m5stack.com/en/stackchan) — Host, Base Adapter, Power, Ring, Touch boards
- [Kickstarter page](https://www.kickstarter.com/projects/m5stack/stackchan-the-first-co-created-open-source-ai-desktop-robot)
- [Hackaday](https://hackaday.io/project/181344-stack-chan-javascript-driven-super-kawaii-robot)
### Notes
- Fully open-source hardware + software
- Magnets interfere with BMM150 — avoid strong magnetic fields nearby
- Don't forcibly rotate servos when powered (can damage them)
- Pre-order only — separate order from other in-stock items
### Related
- [[tricorder.md]] — Elecrow AI Camera (ESP32-S3 Vision) evaluated as a deployable vision sensor for the Tricorder; shares same camera sensor (GC2145 2MP) and MicroPython/ESP-IDF dev platform