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PIC32MX440F256H - 256K Flash, 32K RAM @ 80MHz 32-bit MIPS core
MPIDE (Mulit Platform IDE - a fork of the Arduino IDE) supports Fubarino SD board out of the box
45 Digital IO (many are 5V tolerant)
15 Analog inputs (10-bit)
2 hardware serial ports (UARTs) - one accessible on pins 28 (rx) and 29 (tx), the other on pins 8 and 9, plus a serial connection over USB (12Mbps)
Comes with headers for easy mounting on a breadboard
Directly compatible with 3.3V devices. No level converting necessary.
Small form factor - easy to integrate into your project
Great for projects that need two hardware serial ports plus a USB connection and file storate
Easy to program, no additional hardware is required to load sketches – just plug into a USB port and run MPIDE
Can be used as USB to microSD adapter
ICSP Header for use with optional Microchip hardware programmer/debuggers (like PICKit3, ICD3 or RealIce)
Can be powered through USB, or 2.3V to 13V DC input power
Extra power and ground pins for ease of wiring into your project
microSD slot connected to the PIC32 hardware SPI port for large file access from your sketches
USB bootloader (avrdude compatible) for seemless sketch uploading within MPIDE
Fubarino SD v1.4 board and schematic (Eagle 6 format) - Github directory
Fubarino SD v1.4 schematic (PDF)
Fubarino SD v1.4 board layout (PDF)
Fubarino SD v1.4 BOM (Excel)
Fubarino SD Reference Manual (Word)
USB Bootloader (avrdude compatible) HEX file note: right click and select 'save as' to get the .HEX file - the board already comes with this bootloader pre-programmed
Factory Test sketch This sketch is what the factory uses to test the Fubarino SD board - right click and select 'save as'.
Fubarino SD is a small, easily breadboardable microcontroller board.
Is it possible to supply this board with PIC having more RAM (PIC32MX795F512H) ?
Yes! Absolutely. We built 100 of the Fubarino SD v1.4 boards (the ones that Seeed makes and sells here) with the MX795F512H and they worked great. However, using the more expensive chip raises the cost of the board quite a bit, as it is the most expens