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STD AS2040

License: CC-BY-NC-SA 3.0

Mode: Editors' pick

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Update time: 2022-08-31 18:35:54
Creation time: 2021-12-13 23:04:53

At the heart of the board is the RP2040. I chose it because it is a Dual-Core ARM Cortex-M0+ at 133MHz which is great performance at a low cost and small package. It provides unrivaled power and flexibility with large on-chip memory, symmetric dual-core processor complex, deterministic bus fabric, and rich peripheral set with unique Programmable I/O (PIO) subsystem. With detailed documentation, a polished MicroPython port, and a UF2 bootloader in ROM, it has the lowest possible barrier to entry.

AS2040 Board Features:

  • RP2040 32-bit Cortex M0+ dual core running at ~125 MHz @ 3.3V logic and power
  • 264 KB SRAM in six independent banks
  • 16 MB SPI FLASH chip for storing files and code (no EEPROM)
  • 11 x GPIO pins with following capabilities:
    • 4x 12 bit ADCs
    • I2C, SPI and UART peripherals
    • PWM outputs - for servos, LEDs, etc
    • PIO compatibility
  • 3.3V, 5V and GND pins
  • 3.3V regulator with 500mA peak current output
  • 6-axis accelerometer and gyroscope
  • RGB NeoPixel for full color indication
  • 12 MHz crystal for perfect timing
  • On-board STEMMA QT connector that lets you quickly connect any Qwiic/STEMMA QT or Grove I2C devices with no soldering
  • Both Run button and Boot select button for quick restarts (no unplugging-replugging to relaunch code or upload firmware)
  • Optional SWD debug port can be soldered in for debug access
  • USB Type C connector lets you access built-in ROM USB bootloader and serial port debugging
  • Mounting hole
  • Measures (32mm x 26mm x 1mm) without headers soldered in
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