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Projekt NED-CPU

NEDCPU is a computing unit inspired by the first computers controlled by serial terminal commands, built on current technologies.

michalMichal
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  • NED-CPU on ARZE.cz
scrapped project
hardware
arduino computer

This project was created on 04/30/2023 and last updated 2 years ago.

Description

The basic unit is built on the basis of the ARM MCU STM32F103C8, which communicates with the PC using a USB converter that simultaneously provides power. A micro SD card slot is connected directly to the MCU for data storage and retrieval. Furthermore, via a level converter (3.3V from MCU to 5V) on the I2C bus, the RTC module and three 8-bit gate modules PCF8574. One gate is used to control the 8 LEDs on the front panel and the other two are connected to the LPT expansion connector.
The front panel therefore contains 8 LEDs, an expansion LPT connector, a RESET button and a switch for programming (MCU requires it)

Details

Files

projektNEDv1_2.ino

firmware v.1.2

ino - 65.22 kB - 04/30/2023 at 12:30

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