LEGO MindStorms NXT User Manual

8
Other battery types
The NXT also operates using six AA/LR6 batteries.
• Alkaline batteries are recommended.
• Rechargeable AA/LR6-type batteries can be used;
however, the power performance of the NXT may be
reduced.
Batteries low
When the battery power is low, this icon fl ashes on and
off in the NXT display.
Installing Batteries In The NXT
The NXT will Sleep to conserve power. To change the time or
set Sleep to Never, go to Settings/Sleep/Never. You can also
change the Settings to wait before going to Sleep from 2, 5,
10, 30, or 60 minutes.
Technology
Important!
• Never mix different types of batteries in the NXT.
• Always remove batteries prior to long-term
storage.
• Promptly remove depleted batteries from the NXT.
• Only recharge batteries under adult supervision.
• Never attempt to recharge non-rechargeable
batteries.

LEGO MindStorms NXT Specifications

General

Processor	32-bit ARM7 microcontroller
Clock Speed	48 MHz
Memory	256 KB Flash, 64 KB RAM
Display	100x64 pixel LCD
Power	6 AA batteries or rechargeable battery pack
Sensors	Touch, Light, Sound, Ultrasonic
Motors	3 Interactive Servo Motors
Connectivity	Bluetooth, USB
Programming	NXT-G
Input Ports	4 sensor ports
Output Ports	3 motor ports