eeprom-programmer
nanoprom
eeprom-programmer | nanoprom | |
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3 | 7 | |
9 | 15 | |
- | - | |
0.0 | 0.0 | |
about 2 years ago | over 1 year ago | |
C++ | C++ | |
MIT License | The Unlicense |
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eeprom-programmer
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Problem with creating an Arduino EEPROM programmer
Those chips can be a little finicky. I have some different code from Ben’s that may be useful. https://github.com/yoppeh/eeprom-programmer
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Is TL866II worth buying?
Building your own EEPROM programmer can be fun and a good learning experience. Ben has a video for that too. I have some Arduino software that will let you xmodem a binary image straight to the EEPROM.
- If you want to modify Ben's eeprom programmer to work with the one for the 6502, you only have to move 2 existing wires and add 4 address wires. Zero changes to software!
nanoprom
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EEPROM programmer w/o Shift
You might be interested in my NanoProm project: https://github.com/gfoot/nanoprom - or the Pico equivalent which is in github too. They're for programming EEPROMs without glue logic, feel free to use any of the code that you find useful.
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picture says all ...
It is actually possible to program the Atmel ones with a regular Arduino, or even a Nano, without needing shift registers, because the address pins are latched at the start of the write operation. This is how my NanoProm worked: https://github.com/gfoot/nanoprom
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Implementing eeprom page write
If you remove the shift registers and connect the pins directly to the EEPROM then it can be done just using PORT writes. This worked well for me in NanoPROM, see here: https://github.com/gfoot/nanoprom
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AT28C256: I could use some help.
I have an alternative setup here for Nano and Uno that you might want to try - it deals with SDP, writes much more quickly overall, and doesn't require external components: https://github.com/gfoot/nanoprom
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EEPROM Programmer
I also made an Arduino Nano version here: https://github.com/gfoot/nanoprom
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DIY EEPROM programmer isn't writing every byte
If you're interested, I have code here that does all the page writes, unlock codes, etc correctly: https://github.com/gfoot/nanoprom It only supports writing, not reading, and doesn't use shift registers like yours does, so you can't just switch to it, but maybe seeing the code can help with the timing issues.
- Arduino Nano EEPROM programmer variant without shift registers
What are some alternatives?
MiniCore - Arduino hardware package for ATmega8, ATmega48, ATmega88, ATmega168, ATmega328 and ATmega328PB
picoprom - Raspberry Pi Pico DIP-EEPROM Programmer
TommyPROM - Simple Arduino-based EEPROM programmer
rosco_m68k - Design, documentation and software for the Really Old School Computer (M68K)
Jebs-LCS-for-KSP - An automated countdown timer, a macro keyboard, and a control device for Kerbal Space Program that can be connected to the PC and autonomously launch the vehicle when the timer hits 0.
jtag2updi - UPDI programmer software for Arduino (targets Tiny AVR-0/1/2, Mega AVR-0 and AVR-DA/DB MCUs)
modular-breadboard-base - Breadboard base with attachment slots for various modules
klipper_nano_expander - Klipper Nano Expander, an Arduino Nano Shield to be used as an auxiliary Klipper MCU
Volvo-melbus - Volvo MELBUS Bluetooth audio input and remote control with Arduino Nano
RingEEPROM - High Endurance EEPROM Library for megaAVR devices in Arduino platform