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README.md

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-# awesome-m5stack-cardputer
-Awesome M5Stack Cardputer
+# Awesome M5Stack Cardputer
+
+M5Stack Cardputer is a S3 Stamp cheap ($30) and complete mini computer in a credit-card size, weighing 92.8g.  
+[Official website](https://shop.m5stack.com/products/m5stack-cardputer-kit-w-m5stamps3)  |  [Docs](https://docs.m5stack.com/en/core/Cardputer)
+## Specs
+
+###  Processor
+From ESP32-S3Fn8 ([Datasheet](https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf)):  
+- Dual 32bit Xtensa LX7 cores running up to **240Mhz**
+- RISC-V Ultra Low Power Co-processor
+- ULTRA LOW Deep Sleep Current
+
+### Memory
+- RAM: 8MB Quad SPI PSRAM
+- 128-bit data bus and SIMD commands
+- 384 KB ROM - for booting and core functions
+- 512 KB SRAM - for data and instructions, running at a configurable frequency of up to 240 MH
+- 16 KB SRAM in RTC - can retain data in Deep-sleep mode
+- 4 Kbit eFuse - reserved for user data, such as encryption key and device ID
+
+### Devices/Resources
+- Bluetooth: 5.0, BLE + Mesh
+- Wi-Fi: 802.11b/g/n 2.4Ghz
+- Display: IPS LCD, 1,14", 240x135px
+- Battery: internal 120mAh + 1400mAh (in the base) lithium battery
+- TF-Card (MicroSD) slot
+- 1 USB-C OTG in/out
+- Keyboard: 56 keys, QWERTY type, ortholinear with tactile click switches 
+- Infrared ∠0° : 410cm, < 90° : 66cm, < 45° : 170cm
+- Digital MEMS Microphone
+- Sound: I2S-Speaker, 8Ω@1W
+
+**Note: no builtin NFC or RFID**