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Connecting a LCD display to your personal computer is an easy job. Displaying data from your PC to a LCD can be proven very exciting, so give it a try and build your own today! In this article, we...
After conducting experiments with a rotary encoder connected directly to keyboard switches, it was found that the keyboard controller IC (an Intel P8049AH in this case) is unable to detect pulses that are too narrow. Testing involved rotating the...
The Spartan-6 board features 16 LEDs connected to FPGA I/O pins, as detailed in the table below. The cathode of each LED is connected to ground through a 330-ohm resistor. To illuminate a specific LED, the corresponding FPGA control...
This circuit functions as an ultra-low power alternative to multiple LED on-off indicators. It is designed to be easily readable in full daylight conditions. The described circuit employs a low-power microcontroller or a dedicated LED driver IC that manages the operation...
This project explains a very powerful frequency counter which has many useful software functions. The software can add or subtract 3 different IF frequencies (±455 kHz, ±10.7 MHz, and ±21.4 MHz). You have also two levels of resolutions, 1...
Control your instrument with a 4x20 LCD display and a 4x5 keypad designed for front panel feedback and control. The circuit involves an interface that utilizes a 4x20 LCD display and a 4x5 keypad, providing an effective means of user...
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