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Description: 1. The M5 Stack PROTO Module is an expandable I/O interface add-on for the M5Stack series of IoT development kits. It features a 2x20 pin header and two extension sockets, providing ample expansion possibilities. 2. This module comes with a built-in 3.3V logic level bus, ensuring seamless communication between various components regardless of their voltage levels. 3. The PROTO Module includes 16 digital input/output pins (GPIO), each capable of supporting various functions like analog input, PWM output, and interrupts. 4. Two UART interfaces are present on the module, enabling communication between multiple devices using standard serial protocols such as RS-232 or TTL. 5. I²C and SPI buses are also included in this add-on, allowing easy integration of sensors and actuators that use these communication protocols. 6. An I²C EEPROM chip is integrated into the module, offering 1KB memory for data storage purposes. 7. The M5 Stack PROTO Module supports external power inputs via its V
| Specification | Details |
|---|---|
| Module Type | PROTO Module ( Arduino-compatible) |
| Microcontroller | ESP32 (Dual-core 240 MHz) |
| Memory | 520 KB SPI Flash 520 KB SRAM |
| Operating System | M5Stack OS (based on FreeRTOS) |
| Communication | Wi-Fi Bluetooth UART SPI I2C |
| Extension Socket | 3.7V 200mA LDO Power Supply |
| Dimensions | 45 x 25 x 15 mm |
| Weight | approximately 20 grams |
| Operating Voltage | 3.5V - 5.5V |
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