USBasp - USB ISP/TPI programmer for Atmel AVR microcontrollers based on the design by Thomas Fischl.
Programmer for Atmega328p and ATTiny24/25/44/45/84/85
Uses Arduino Nano as ISP
Has a built in Blink test LED
ATTiny24/44/84: port 1
Atmega328p, ATTiny35/45/85: port 3
AVR ISP with buffer based on the design by ladyada.
Parallel EEPROM Programmer for 28C64B and 28C256 featuring:
- GUI-based front-end written in Python,
- possibility to access the programmer via a serial monitor,
- hardware SPI at 8 MHz to control address bus via shift registers,
- utilizing the fast page write mode of the EEPROM,
- 1 Mbps serial interface via USB,
- binary data transmission.
. When Switch Prg is short, ESP-01 is on programmer mode, you must reset the module with Rst switch, this way the usb serial will be recognized.
Besides this PCB is thinked for use with the antena NRF24L01, on the pads P1..P8.
(Coming soon done!).
Project to help writing and reading contents of a particular EEPROM (AT28C64B).
Used Flip-Flops instead of shift registers because that's what I had at the moment.
Bonus LED to make it look more cool (wired to OE of EEPROM).
Example Arduino source code included (can clear memory or dump memory contents).
An open source hardware and software 28C64 EEPROM programmer, using the ATmega328 microcontroller. The goal of this project is to design and build an easy to use, single board programmer for 28C64 EEPROMs that could just be plugged in to a computer using a regular USB cable.
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