HardLabs

Eeprom burner

Velko·8-bit-CPU·hardware/pcb/eeprom_burner/eeprom_burner.kicad_pcb

Eeprom burner PCB layout, top view — open source AVR/Arduino board by Velko

About the Eeprom burner PCB

Eeprom burner is an open source AVR/Arduino PCB design by Velko, published on GitHub under the MIT license. It is a 2-layer board measuring 68.6 × 53.3 mm, with 22 components from 13 distinct parts.

Its main chip is the Arduino_1pin, from the AVR/Arduino family. Other key parts include the 74HC595, 28C256 and 28C256J. By type, the board carries 12 connectors, 5 capacitors, 4 ICs and 1 resistor.

It belongs with the retro computing designs in this gallery.

From the project

Homebrew 8-bit CPU

After watching [series of videos][eater-net-8bit] by Ben Eater building an 8-bit computer from scratch, I was hooked. Various thoughts for improvements and experiments was running through my mind. But first I have to build one. Improvements will come later. Whom am I kidding? I'll never be able to build an exact replica, I'll incorporate improvements as I go.

Eeprom burner, from the project README
From the project README

Main components on the Eeprom burner

74HC59528C25628C256J

Eeprom burner bill of materials (BOM)

22 components, 13 distinct parts.

QtyPartRefs
2
74HC595
U1, U2
1
28C256
U3
1
28C256J
U4
3
Conn_01x08
J1, J2, J3
1
Conn_01x06
J4
1
Power
P1
1
Analog
P2
1
Digital
P3
1
Digital
P4
4
CONN_01X01
P5, P6, P7, P8
4
100nF
C1, C2, C3, C4
1
100nF
C5
1
10K
R1

Eeprom burner design files

The KiCad project lives in the Velko/8-bit-CPU repository on GitHub; these links point at the commit this page was built from.

Eeprom burner: common questions

What microcontroller does the Eeprom burner use?

The Eeprom burner is built around the Arduino_1pin, from the AVR/Arduino family.

How big is the Eeprom burner PCB?

The Eeprom burner measures 68.6 × 53.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Eeprom burner?

22 components, from 13 distinct parts. The full bill of materials is listed on this page.

Where can I download the Eeprom burner design files?

From the Velko/8-bit-CPU repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Eeprom burner design in my own project?

Yes, under the terms of its MIT license, which Velko chose for the repository.

Can I test firmware for the Eeprom burner without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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