This ATmega16-based project implements and demonstrates an interface which supports up to 3 moderately precise non-contact XY sensors, 3 low resolution rotational sensors, and 9 switches using a simple protocol on a single communications channel. It was developed primarily to provide low cost and easily implemented sensors for homebrew robotics projects. The project is [...]
The IOSTRING is a modular physical user interface system which consists of a series of three basic board modules designed around the Atmel AVR AtMega88 MCU. Each module type can handle switches, pushbuttons, rotary selector switches, rotary shaft encoders, potentiometers, LED’s, LCD displays, and an alphanumeric LED display. Dual footprints are provided on each [...]
This Logic Analyzer project allow you to monitors and captures a number of digital signals. It uses PC to display the data processing. The system consists of ATmega88-20PU AVR microcontroller as main processor and some simple components used for the interfacing with the PC, the man and the probes.
The avrETH1 project shows you how to connect an old cellular phone add-on camera with a 640×480px jpeg output to the internet using an ATmega32 and an ENC28j60 Ethernet controller.
The PSK31 (Phase Shift Keying, 31 Baud) Adapter is a hardware interface between a PC running a digital communications program, such as DigiPan, and an Amateur Radio transceiver. The electronically adjustable PSK31 interface is controlled by microcontroller AVR ATmega8. It provides automated adjustment and optimization of the audio levels that are carried between the PC [...]
This four channel pulse width modulation (PWM) controller is built around Atmel ATMega16L. It has RS232 serial interface for computer control, four 10 bit analog inputs and a 12-button keypad interface. The controller also has four indicator outputs (which may be configured as general purpose outputs), an alphanumeric LCD interface (with backlight control), three general [...]
The AVR Ethernet I/O board with accompanying PC control software offers remote control of 4 relay activated devices and status monitoring of 4 opto-coupled inputs over the Internet. Remote control is accomplished using any web browser-abled computer, or by running the custom “Ethernet I/O Control Panel” Windows software on an Internet ready PC. Browser based [...]
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