request PID for kp_boot_32u4 bootloader (#318)

Author: ahtn

1209/BB05/index.md

@@ -0,0 +1,16 @@
+---
+layout: pid
+title: kp_boot_32u4 bootloader
+owner: keyplus
+license: MIT
+site: https://github.com/ahtn/kp_boot_32u4
+source: https://github.com/ahtn/kp_boot_32u4
+---
+
+A USB HID bootloader for AVR USB microcontrollers in the U2, U4 and
+AT90USB series.  Features include:
+
+* only 1kB code size
+* supports writing flash, eeprom and lock bits
+* an SPM interface so application code can modify its own flash
+* it uses a raw HID interface, so it doesn't require drivers on windows