Professional Micro measurement, superior RP2040 energy #Keyboards #RP2040 @KbdNews « Adafruit Industries – Makers, hackers, artists, designers and engineers!

Adafruit introduced the preliminary pinouts of its RP2040 primarily based KB2040 controller.

That includes a Raspberry Pi RP2040 with a twin ARM Cortex-M0+ operating at as much as 133MHz with 264kB on-chip SRAM and in-built USB, the Adafruit KB2040 appears to be a Raspberry Pi Pico various in a Professional Micro kind issue.

Designers at Adafruit appear to pay attention to the significance of Professional Micro compatibility amongst keyboard fanatics.

We’re evaluating to the favored professional micro boards that folk use for keebs. thus far so good – it’s so much to suit into such a small board however we expect it’s all there! – Phillip Torrone.

So this controller has 18 simply accessible GPIO pins like the unique Professional Micro?

Sure there are 18 GPIO pins accessible alongside the pads, plus one other 2 on the JST SH connector – these are meant for I2C entry. We additionally broke out the D+ and D- pins for folk who need to have the USB connector elsewhere.

Additionally, is the footprint 100% Professional Micro appropriate?

Yep! The bodily measurement is identical with the pads in the identical location. For pin utilization, there are a number of variations: the RP2040 doesn't have as many analog pins, for instance, however it may have PWM on any pad. All of the peripherals: UART/I2C/SPI and the GPIO numbers, are the identical areas.

Word that QMK shouldn't be out there for RP2040 but (https://github.com/qmk/qmk_firmware/issues/11649) so we advocate utilizing CircuitPython/KMK or Arduino for now (Here is a information for easy HID keyboards in CircuitPython and this one covers key matrices and scanning for extra superior builds.)

Learn extra within the KBD article

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