DJI 450 Quadcopter with KK2.1.5 KK21EVO Flight Controller Board
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DJI 450 QuadcopterCondition :
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Max Efficiency: 80%
Max Efficiency Current: 4-10A (>75%)
Current Capacity: 12A/ 60s
No Load Current @ 10V: 0.5A
No. Of Cells: 2-3 Li-Poly
Motor Dimensions: Φ27.5* 30mm
Shaft Diameter: Φ3.17mm
30A brushless ESC:
Output: Continuous 30A, Burst 40A up to 10 Secs.
Input Voltage: 2-4 cells lithium battery or 5-12 cells NiCd/NIMh battery.
BEC: 2A / 5V (Linear mode).
Max Speed: 210,000rpm for 2 Poles BLM, 70,000rpm for 6 poles BLM, 35,000rpm for 12 poles BLM. (BLM: BrushLess Motor)
Diameter of Shaft: 6.0mm
Adjustable by hole adapter (3mm, 3.2mm, 4mm, 5mm, 6mm, 6.35mm, 7.95mm)
Thickness of center: 9.7mm
Weight: 15 gram/ pair
Recommended wheelbase: 550mm - 700mm
KK2.1.5 KK21EVO Flight Controller Board S.BUS DSM2 w/ LCD Second MPU Atmega324 InvenSense Inc
The 2.1.5 is functionally the same as the 2.1.
Some minor changes have been made to the board including:
More Silk screening has been added to delineate polarity and functionality
Ground is now pulled from the Escs, which provides better reverse voltage protection.
Diode protection has been added to the buzzer to avoid damaging the board if you plug in power to the buzzer
Improvements have been added to the voltage sense accurac
Size: approx. 36mm x 36mm x 15mm
IC: Atmega644 PA
Gyro/Acc: 6050MPU InvenSense Inc.
Input Voltage: 4.8-6.0V
AVR interface: standard 6 pin.
Signal from Receiver: 1520us (5 channels)
Signal to ESC: 1520us
LCD size: 24*18mm
Voltage sensor: One red positive pin header for.
Input rail: Single row 2.54mm pitch pin header for input signal
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