* '''B/W bitmap LCD displays''' - Using a homebrew library to draw text and graphics (see DevLib).
* '''Thermal Printers''' - Both serial and full printing head control.
* '''Keyboards''' - Simple and matrix scan, with debounce and complex input gestures.
+
+ * '''A/D converters''' - Interrupt-driven, high-speed sampling and data processing
+ * '''D/A converters''' - Employing PWMs and other techniques
+
+ * '''Serial ports''' - RS232, RS485, SPI, I2C and many other custom serial lines, both interrupt-driven and software buffered.
+ * '''Ethernet''' - CS8900A and RTL8019 (NE2000 compatible).
+ * '''USB''' - With HCI drivers provided by manufacturer.
+
+A few sample drivers for generic devices are available in DevLib.