Turn-key PCB assembly services in prototype quantities or low-volume to mid-volume production runs

Gimbal System for UAV’s

There have been wide variety of gimbal used on UAV’s to capture stable video or still images. A directly mounted camera is never an option for A UAV due to vibrations as well as it reduces user control on the camera direction. The control board for the Gimbal comprises of an onboard 6-Axis IMU, a GPS module headers, connection for servo and an Atmega128 micro-controller. The GPS unit on-board the UAV will provide the Stabilized Gimbal Controller the ability to sense its absolute position on earth. This will help the gimbal to point at the required position all the time, irrespective of UAV heading. An Atmega128 micro-controller is used for the project since it has more number of timers, PWM output lines, and serial communication interface than any other comparable controller. An additional motion processing unit is also used which needs to be stored on the Atmega128 and is controlled via I2C protocol. The above project is basically a side project for the entire UAV which students from Cornell University used to compete in the Student Unmanned Air Systems (SUAS)… Continue reading

Self-stabilizing Camera Platform

A self-stabilizing camera can be used to keep your camera at the required level, irrespective of user movement. This can be used by filmmakers to capture steady shots without any noise due to motion.  It comprises of two high torque servo to control the movements in all planes. Along with servos, it has a gyroscope and accelerometer to detect the camera movement and hence act as a feedback system. The accelerometer and gyroscope are used to determine the roll and pitch of the wooden platform on which the camera has to be mounted. Once the sensors detect a disturbance in the position of the platform, the required data is send to the microcontroller in order to correct the error A complimentary filter is used to eliminate noise from the sensor reading obtained from gyroscopes and accelerometer. The main functions of the kernel on board the controller is to compute the position of the platform and output an appropriate PWM signal to the servo motors to adjust the position of the platform accordingly. An I2C protocol is used to interface gyroscope… Continue reading