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M5Stack Cardputer v1.1 Cardputer Development Board: StampS3A Microcontroller
For engineers and makers who need a portable tool for rapid prototyping or field testing, the Cardputer v1.1 is your go-to device. Think beyond a typical development board—this is a pocket-sized workstation that fits in your hand, perfect for verifying functions on the fly or controlling systems remotely.
The StampS3A microcontroller ensures stable performance, while the 56-key keyboard and 1.14-inch TFT screen let you code and monitor without extra gear. You can attach it to metal surfaces with magnets or expand with LEGO-compatible holes for custom setups. The built-in microphone picks up voice commands clearly, and the infrared emitter adds remote control capabilities. With a Grove interface and Micro SD slot, you easily add sensors or store data. The dual-battery system (120mAh internal plus 1400mAh base) keeps it running through long sessions, so you focus on your project, not charging.
Features
- 56 key keyboard
- 1.14 inch TFT screen
- Cavity speaker and SPM1423 digital MEMS microphone
- Infrared emitter for control
- Grove interface for sensor expansion
- Micro SD card slot
- 120mAh internal battery
- 1400mAh base lithium battery
- Magnets for metal attachment
- LEGO hole expansion compatibility
- StampS3A Microcontroller
General specs
- Brand: M5Stack
- Model: Cardputer v1.1
- Seller: Banggood
- ID: 2044955
- Model: M5Stack Cardputer v1.1
- Processor: ESP32-S3
- Use Cases: rapid function verification for engineers, industrial control, home control systems
- Microphone: SPM1423 digital MEMS
- Screen Size: 1.14 inch
- Screen Type: TFT
- Audio Output: cavity speaker
- Battery Type: lithium
- Compatibility: LEGO hole expansion
- Keyboard Keys: 56
- Controller Main: StampS3A
- Control Infrared: infrared emitter
- Power Management: lithium battery charging and boost buck circuits
- Attachment Method: magnets for metal attachment
- Storage Expansion: Micro SD card slot
- Expansion Interface: Grove interface
- Base Battery Capacity: 1400 mAh
- Battery Capacity Internal: 120 mAh
- First listed by seller: 2/23/26
If you are interested in more details, you can find full information on the seller's page.
$45.50
Last price update: 5/9/26
Available to order
Price History for seller Banggood
Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | M5Stack | TSCINBUNY | Keyestudio | |||
| Model | Cardputer v1.1 | QuadBot EA | HU-063 | TJ0186 | ||
| Color | ||||||
| Rating | ||||||
| Price | $45.50 | $58.26 | $16.91 | $47.49 | $23.74 | $102.77 |
| Seller | Banggood | Banggood | Banggood | Banggood | Banggood | Joom |
| Update | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | May 9, 2026 | Feb 14, 2026 |
| Compatibility | LEGO hole expansion | Arduino | Micro:bit V2 | |||
M5Stack Cardputer v1.1 StampS3A Microcontroller
$45.50
When this device makes sense
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