Rename Offiially_Supported_Microcontrollers.md to Officially_Supported_Microcontrollers.md

docs/Officially_Supported_Microcontrollers.md

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+# Officially supported microcontrollers
+While most Circuitpython devices are great for hand wired keyboards, most 
+keyboards are designed to accept a Pro Micro. The boards listed below either 
+are, or can be adapted to that pinout to use common keyboards already on the market.
+
+## Nice!Nano
+Features include
+- Pro Micro pinout
+- Both USB HID and Bluetooth support
+- Can do bluetooth split keyboards with no wires at all
+- Has battery support including charging
+
+Downsides
+- $25 USD per microcontroller at most retailers
+
+Common Retailers
+[Boardsource](https://boardsource.xyz/store/5f4a1733bbaa5c635b83ed67)
+[NiceKeyboards](https://nicekeyboards.com/collections/group-buy/products/nice-nano-v1-0).
+
+## ItsyBitsy M4 Express
+Features include
+- Affordable at $15 USD
+- Can run most features of KMK including RGB
+
+Downsides
+- Needs adapted to work with Pro Micro pinout keyboards. Adapter can be found 
+[HERE](https://github.com/KMKfw/kmk_firmware/tree/master/hardware)
+
+Common Retailers
+[Adafruit](https://www.adafruit.com/product/3800)
+
+## RP2040
+Features include
+- Very affordable
+- Very powerful for the price
+
+Downsides
+- Little support for keyboard kits
+
+Common Retailers
+[Adafruit](https://www.adafruit.com/pico?src=raspberrypi)
+[Sparkfun](https://www.sparkfun.com/products/17829?src=raspberrypi)
+
+## Adafruit ItsyBitsy nRF52840 Express
+Features include
+- Both USB HID and Bluetooth support
+- More affordable than the Nice!Nano at only $18
+
+Downsides
+- Needs adapted to work with Pro Micro pinout keyboards. Adapter can be found
+[HERE](https://github.com/KMKfw/kmk_firmware/tree/master/hardware)
+- No battery support without addon board found 
+[HERE](https://www.adafruit.com/product/2124) 
+
+Common Retailers
+[Adafruit](https://www.adafruit.com/product/4481)
+
+## Other microcontrollers
+What you'll need to have at minimum
+- CircuitPython/KMKpython
+- 256KB of flash storage
+- HID over USB and/or Bluetooth.