KK2.15 Multi-rotor LCD Flight Controller V1.9S latest Kk 2.1.5 firmware for better stability With Protect Case Box.
Features: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 functionalityGround 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 buzzerImprovements have been added to the voltage sense accuracy
Specifications:Size: approx. 36mm x 36mm x 15mmIC:
Atmega644 PAGyro/Acc: 6050MPU InvenSense Inc.Auto-level: Yes
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
Package Included:1 x KK2.15 Flight Controller with protect case