--- /dev/null
+# Drivers
+
+This folder contains basic drivers for a number of HW peripherals,
+and a few SW stacks (FAT32, a light-weight 802.15.4 wireless stack
+named Chibi, etc.). It also contains a basic but relatively robust
+graphic library with support for display custom fonts, loading and
+saving Bitmap images, touch screen calibration, etc.
+
+## dac
+
+Digital to Analog Converters
+
+## Displays
+
+Drivers and functions to work with a wide variety of display types.
+
+This folder is sub-divided into the following categories:
+
+/bitmap Monochrome displays such as basic OLEDs, and 128x64 pixel
+ graphic displays
+
+/character Text-only displays (VFD, etc.)
+
+/segment Segment displays (8x8 LED arrays, 7-segment displays, etc.)
+
+/tft Color graphical displays, such as TFT LCDs, RGB OLEDs, etc.
+ This folder also contains a small graphics library, code to
+ load and save bitmap images, and functions to work with
+ several font types.
+
+## fatfs
+
+Chan's FATFS, enabling you to read and write to inexpensive SD cards
+
+## motor
+
+Motor-control related drivers
+
+## rf
+
+Anything related to RF, including NFC and 802.15.4 wireless
+
+## rsa
+
+A very minimal example of RSA encryption and decryption
+
+## sensors
+
+Drivers for a variety of sensors (light, temperature, etc.)
+
+## storage
+
+Drivers for different types of storage, such as SPI NOR flash, EEPROM, etc.