hardware.rst

Hardware Overview

The mPython Board is a MicroPython microcontroller board with full support for MicroPython/Python software features.

Technical Specification -----------

mPython Board had the following hardware features:

• ESP-32 microcontroller
  • Processor：Tensilica LX6 dual core microprocessor（one for Handling High Speed Connections and the other for Independent Application Development）
  • Main frequency: up to 240mhz clock frequency
  • SRAM：520KB
  • Flash：8MB
  • Wi-Fi Standard：FCC/CE/TELEC/KCC
  • Wi-Fi Alliance：802.11 b/g/n/d/e/i/k/r (802.11n，high speed 150 Mbps)，A-MPDU and A-MSDU packed，support 0.4us protective interval
  • Frequency Range：2.4~2.5 GHz
  • BlueTooth Protocol：Comply to BlueTooth 4.2 BR/EDR and BLE standard
  • Bluetooth Audio Streaming：CVSD and SBC audio low power：10uA
• Power Supply Mode：Micro USB
• Operating Voltage：3.3V
• Maximum Operating Current:200mA
• Maximum Load Current:1000mA
• mPython Board integrated hardwares
  • 3-axis Accelerometer MSA300, Range: ±2/4/8/16G
  • Deomagnetic Sensor MMC5983MA, Range: ±8 Gauss; Accuracy 0.4mGz, Electronic Compass error ±0.5°
  • Light Sensor
  • Microphone
  • 3x ws2812 LED, RGB
  • 1.3" OLED Panel，support 16*16 characters display，Resolution 128x64
  • Passive Buzzer
  • Supports 2x tact switch (User A/B), 1x Reset Button, 6x Touch Button
  • Supports 1x crocodile clip interface: resistive sensor input
• Interface for external device expansion
  • 20x digital I/O， (it supports 12x PWM，6x Touch Pad)
  • 5x 12bit ADC，P0~P4
  • 1x external hardware input via crocodile clip interface :EXT/GND
  • supports I2C、UART、SPI communication protocol

Dimension and Layout --------------

Component Layout / Pin Definition --------------

mPython Board interface pin configuration +++++++++++++++++++++++++

PIN	Type	Description
P0	I/O	Analogue/Digital Input, Analogue/Digital Output, TouchPad
P1	I/O	Analogue/Digital Input, Analogue/Digital Output, TouchPad
P2	I	Analogue/Digital Input
P3	I	Analogue/Digital Input, connects the Crocodile Clip slot on the Board for external passive sensor input.
P4	I	Analogue/Digital Input, connects the Light Sensor on the Board
P5	I/O	Digital Input, Analogue/Digital Output, connects the USER Button A on the Board, neopixel
P6	I/O	Digital Input, Analogue/Digital Output, connects the Buzzer OR as Digital I/O, neopixel
P7	I/O	Digital Input, Analogue/Digital Output,connects the RGB LED on the Board
P8	I/O	Digital Input, Analogue/Digital Output, neopixel
P9	I/O	Digital Input, Analogue/Digital Output, neopixel
P10	I	Analogue/Digital Input, Analogue/Digital Output, connects the Sound Sensor on the Board
P11	I/O	Digital Input, Analogue/Digital Output, connects the USER Button B on the Board, neopixel
P12	I/O	NC
P13	I/O	Digital Input, Analogue/Digital Output, neopixel
P14	I/O	Digital Input, Analogue/Digital Output, neopixel
P15	I/O	Digital Input, Analogue/Digital Output, neopixel
P16	I/O	Digital Input, Analogue/Digital Output, neopixel
3V3	POWER	Power input via USB: Board regulated output: 3.3V, OR 2.7 ~ 3.6V supply via non-USB mode
P19	I/O	Digital Input, Analogue/Digital Output, I2C bus SCL, with OLED and accelerometer to share I2C bus, neopixel
P20	I/O	Digital Input, Analogue/Digital Output, I2C bus SDA, with OLED and accelerometer to share I2C bus, neopixel
GND	GND	Power GND
Touch_P(P23)	I/O	TouchPad
Touch_Y(P24)	I/O	TouchPad
Touch_T(P25)	I/O	TouchPad
Touch_H(P26)	I/O	TouchPad
Touch_O(P27)	I/O	TouchPad
Touch_N(P28)	I/O	TouchPad

Related Download --------------

Schematic Diagram ++++++

• mPython掌控板V2.0.3原理图 </../datasheet/掌控板-V2.0.3.pdf>

Data Sheet

• USB-to-UART Bridge：cp2104 </../datasheet/CP2104-SiliconLaboratories.pdf>
• ESP32-WROOM </../datasheet/esp32-wroom-32_datasheet_cn.pdf>
• LDO稳压:CE6210 </../datasheet/CE6210.jpg>
• 加速度计:MSA300 </../datasheet/MSA300-V1.0-ENG.pdf>
• 地磁传感器:MMC5983MA </../datasheet/MMC5983MA.pdf>
• OLED：128x64 </../datasheet/1.30-SPEC QG-2864KSWLG01 VER A.pdf>

Mechanical Drawing +++++++++++++++++

• mPython掌控板v2.0外观规格图 </../datasheet/掌控板V2.0-3D-2D图档-20200102.rar>