USB firmware loader for KK2 KK2.15 KK2.1 flight controller. It is featured with a USB interface and a connecting line, which is a necessary equipment for upgrading KK flight control board.<br><br>Features:<br>Simple structure, easy to maintain and debug control<br>Full servo signal output, support normal ESC / analog servo<br>With 3pcs gyros, rely on potentiometer to adjust gyro sensitivity<br>Don&#39;t need MK 4-axis PPM decoder board, the receiver can be directly connected to the transmitter<br>This is not used for parameter configuration, it&#39;s only used for flashing different firmware of the KK Flight control system to circuit board<br>Suitable for the KK control board of quadcopter multicopter, players can change data of control system with the pattern of this programmer, such as flight mode<br>USB firmware loader USBasp programmer for KK multicopter board, connect with the KK Flight control circuit board directly, It&#39;s very convenient to DIY your aircraft<br><br>Specifications:<br>Color: gray<br>Size: 65*15mm<br>Cable length: 325mm<br>Net weight: 12g<br>Compatible with: KK,KK2.1,KK2.15,Mini KK2<br><br>Package Information:<br>Package size: 10 * 3 * 1cm / 4 * 1.2 * 0.4in<br>Package weight: 16g / 0.5oz<br>Adhesive tap package<br><br>Package List:<br>1 * USB Loader Programmer