This frequency counter can measure frequency with range 100Hz-2.5GHz. The project features including LCD 16 chara.x 2 lines and TCXO 12.8MHz(1ppm ). The project main part is PIC16F84. The Voltage(0-510mV) of the input signal is also indicated on the LCD , therefore tuning of the coil can be conducted while checking the frequency. Read more 100Hz-2.5GHz Frequency Counter
The Image Capture Board (ICB) is designed to capture images at a resolution greater than 3600dpi with 8-bit grayscale depth. This board was created as the central component of a system capable of detecting counterfeit currency. Scanning at such a high resolution would allow for easy detection of micro printed characters as well as the ability to measure line widths and other dimensions. The board is used to capture an image of part of a currency bill, filter the image, and transfer the data to a PC, which then analyzes it.
The project built to track cats. It will log when they go in and out of the house. You can see what cats favorite time to go out is. The project can sent SMS messages if a cat goes missing for a certain amount of time. Read more Animal Tracker : Cat Data Logger
If you need electronic simulator with the ability to set the speed of the rotation, and start and stop on demand as in the actual system then check out this Encoder Simulator. The project very useful for troubleshooting or developing new programs for control systems when there is unavailability of the target system for experiment, risk of damage to the target, and physical distance of the developer from the target location.
This project is the implementation of Ethernet Bootloader for ATmega128 MCU. It shows the simple way to add Ethernet communication and Ethernet firmware update features to AVR MCU. This project will help field engineers to do firmware-updating remotely on consumer network-based systems like security systems, industrial control or monitoring systems etc. Read more Ethernet Bootloader, ATmega128
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 purpose outputs, and four 8 bit PWM output channels with a frequency of 31kHz.
The project shows you how to build simple Aquarium Feeding Timer. Instead using microcontroller, it uses famous IC 555. It is very useful for Automatic aquarium feeding DIY-er who don’t know MCU programming. The circuit uses simple monostable 555 circuit. It control Load relay (return pump). The timing period can be adjusted by turning the potentiometer. Read more Aquarium Feeding Timer Using IC 555
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