![]() ![]() You would have to recompile the Pro Mini bootloader for the Micro, but even then it would require an FTDI board as programming would need to be done via the TX and RX UART pins. This CDC profile uses Arduino vendor and product ids so unlike FTDI devices, requires an extra step to install an *.inf file on Windows. The Leonardo / Micro boot loader implements a CDC profile for communications with the PC. while the HID profile is used for keyboard / mouse emulation. The CDC profile is used for comms with the Leonardo, Micro, etc. The Arduino core library has built-in support for the HID and CDC device profiles. The LUFA library from AVR devices can be used for this but means going outside of the Arduino IDE and compiling proper C code using the latest avr-gcc tools. This allows the board to function as a USB device by implementing the appropriate USB stack. The major difference is the ATMega32u4 has built in full-speed USB. It is more the differences between ATMega328P + FTDI (Pro Mini) vs ATMega32u4 (Pro Micro)Īpart from the minor pin differences, the peripherals for both MCUs are the same. Sorry if this is a silly question but I'm little bit confused. Is the power consumption the same? Can I use the same battery? why buy one over the other?Īnd some more question: can I use the Mini boot loader inside the Micro to avoid the boot up time (if I do not need the keyboard/mouse emulation)? ![]() if I don't need the 2 more Digital IO and the 2 more Analog Inputs. So, what I care about most is the boot up time (because it could make debug harder) but other than that. Micro is more expensive (IF you don't have already an FTDI cable).The pinout is the same (a shield designed for the Pro Mini is OK also with Pro Micro).The Mini has 2 more digital IO and 2 more analog Inputs (1 more PWM).The Micro takes more time to boot up due to USB device (keyboard/mouse) emulation (is more like a Leonardo than an Uno).The Micro doesn’t need the separate FTDI, while the Mini does.I've always used the Arduino Uno or Leonardo and I'm a little bit scared of using these compact miniaturised boards. I'd like to know the differences between these two boards: Arduino Pro Mini and Arduino Pro Micro.Įven if I've read this and this related post, it is not clear enough. ![]()
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