Tagged Questions

4
votes
2answers
43 views

Can I write a bootloader to Atmega using serial port

There is a really grand price difference between an empty Atmega328 chip and the one with the Arduino bootloader installed. In my country, this difference is 1:3. This means that uploading bootloader ...
14
votes
2answers
26 views

How can I use my SMD Arduino to program a separate DIP ATmega328?

I have an arduino with a surface mounted (SMD) microcontroller: I know how to use a DIP arduino as a programmer for a DIP ATmega328. It's easy --you just pop your microcontroller in the holder. ...
-3
votes
1answer
211 views

Programming 3.3v ATMega328 running at 16MHz [closed]

I know that running the 328 with 3.3v at 16MHz is "overclocking" it and slightly out of spec. Because of limited board space i'd like to do this though as all other components are 3.3v. I need the ...
0
votes
2answers
946 views

How to burn Arduino Uno bootloader to ATMega328P via CP2102 USB-2-UART?

Following the The Shrimp I've acquired CP2102 USB to UART converter. I already have ATMega328P but without burned bootloader. I want to burn Arduino UNO bootloader to it using the CP2102 converter ...
1
vote
0answers
521 views

Atmega328 reset pin not working after re-burning Arduino boot loader?

For a bit of background you might want to read atmega328 with optiboot not compatible with Arduino? But I will summarize anyway. I have some Atmega328 chips that shipped with the optiboot ...
2
votes
2answers
648 views

ATmega32u2 fuse bits - can destroy using FLIP?

I want to build some simple application using ATmega32u2, and have it programmed strictly only via USB, by using the factory-builtin USB bootloader on µC, together with the "FLIP" program ...
4
votes
2answers
1k views

bitbang atmega328 with arduino bootloader using avrdude

I have an Arduino UNO dev board with a blank atmega328 chip (no arduino bootloader, the chip that came with the unit is soldered in a separate standalone project so that I can use the arduino board ...
5
votes
3answers
1k views

Arduino Bootloader

If I upgrade my arduino from the ATMega 168 to ATMega 328 will I be able to use the ATMega 168 like a stock chip from the factory or will the bootloader prohibit this? In other words, will I be able ...
2
votes
1answer
1k views

ATMega chips come with the Arduino bootloader

Do the Arduino Duemilanove USB Board with Atmega328 come with the Arduino bootloader?