Circuit Lake

The project goal is to build a battery powered azimuth and elevation antenna positioner, using inexpensive hobby servo motors and gearboxes, for portable operation. This project allows portable satellite tracking is done automatically (operate hands-free).

This low cost distributed motion controller system consists of two units: a USB-CAN converter and a dual axis controller. The USB-CAN converter uses the PIC18F258 and a FTDI FT245BM USB interface chip to translate messages between the USB and CAN buses. While PIC18F458-based dual axis controller is kept busy implementing servo/stepper trajectory and PID calculations [...]

This PIC18F252-based project allows you to measure the torque in an automobile drive shaft. Output data from the device can be sent to PC or vehicle data recording system through RS-232 interface. To calculate horsepower, output data need to be combined with RPM measurements from the data recording system. The project consists of two main [...]

This project shows you how to construct a PCB drill machine driven by a master-controller board and three stepper motor driver boards. These four single sided PC boards each contain an Atmega16/32 microcontroller. Communication between the boards is performed using the RS485 protocol with all communication initiated by the master-controller. The PCB drill machine firmware [...]