Added comment about Bus Pirate

Author: ziotibia81

programmers.txt

@@ -54,6 +54,9 @@ usbGemma.config.path={runtime.platform.path}/bootloaders/gemma/avrdude.conf
 ## Notes about Dangerous Prototypes Bus Pirate as ISP
 ## Bus Pirate V3 need Firmware v5.10 or later
 ## Bus Pirate V4 need Firmware v6.3-r2151 or later
+## Could happen that BP does not have enough current to power an Arduino board 
+## through the ICSP connector. In this case disconnect the +Vcc from ICSP connector
+## and power Arduino board in the normal way.
 buspirate.name=BusPirate as ISP
 buspirate.communication=serial
 buspirate.protocol=buspirate