Search found 7 matches

by bidbirdlin
Fri Nov 06, 2015 12:00 am
Forum: Introduction to Microcontrollers
Topic: How do I verify if ATMEGA328 has bootloader burned already?
Replies: 10
Views: 16168

Re: How do I verify if ATMEGA328 has bootloader burned alrea

Hi, Chris Finally I have a good news. I was using my laptop with Windows 7 and kept having problem. After I change to my desktop with Windows 7 and everything goes fine and I can upload program successfully. After I change back to my laptop, it works too and have no problem to upload too. It becomes...
by bidbirdlin
Thu Nov 05, 2015 7:24 pm
Forum: Introduction to Microcontrollers
Topic: How do I verify if ATMEGA328 has bootloader burned already?
Replies: 10
Views: 16168

Re: How do I verify if ATMEGA328 has bootloader burned alrea

I just used frequency counter to check crystal oscillator and I get reading is 16.005MHz which is pretty good. I also use Oscilloscope with 10x probe to check and get 900mV Peack to peak reading which imply voltage is 9V peak to peak and 60 nano second which imply 16MHz (1/16000000). This just confi...
by bidbirdlin
Thu Nov 05, 2015 6:47 pm
Forum: Introduction to Microcontrollers
Topic: How do I verify if ATMEGA328 has bootloader burned already?
Replies: 10
Views: 16168

Re: How do I verify if ATMEGA328 has bootloader burned alrea

Hi, Chris It is good to hear that the Microcontroller is still alive and do what it should do. However program still can not be written into the chip. I have changed board to "Arduino/Genuino Uno", make sure USB to serial port is at "COM4", USB to serial converter light is on, dr...
by bidbirdlin
Wed Nov 04, 2015 11:51 pm
Forum: Introduction to Microcontrollers
Topic: How do I verify if ATMEGA328 has bootloader burned already?
Replies: 10
Views: 16168

Re: How do I verify if ATMEGA328 has bootloader burned alrea

I think I just found one of my problem is that I didn't push Microcontroller harder to attach on breadboard so the connection is lose. Now I can see the LED light keep blinking. I also change those two capacitor at each side of oscillator from 0.1uF to 27pF. However I still can not load program onto...
by bidbirdlin
Wed Nov 04, 2015 10:07 pm
Forum: Introduction to Microcontrollers
Topic: How do I verify if ATMEGA328 has bootloader burned already?
Replies: 10
Views: 16168

Re: How do I verify if ATMEGA328 has bootloader burned alrea

Hi, Chris Thanks for taking time answer my question. Continue the conversation in the E-mail "Hi Lenny, Yes, All of the ATMEGA328 (Arduino Compatible) - SKU100064 that we sell are preloaded with an Arduino Compatible bootloader. For additional quality assurance we also upload a simple blinking ...
by bidbirdlin
Wed Nov 04, 2015 12:16 am
Forum: Introduction to Microcontrollers
Topic: How do I verify if ATMEGA328 has bootloader burned already?
Replies: 10
Views: 16168

How do I verify if ATMEGA328 has bootloader burned already?

Hi, Pyro I bought two ATMEGA328 Microcontroller on Gadgetory and try to repeat the microcontroller Lesson2: Hello world in http://www.pyroelectro.com. After I follow all instruction and assembly ATMEGA328 with 7805 Regulator, USB-to-Serial Circuit, 16MHz oscillator, and reset button, and upload the ...
by bidbirdlin
Thu Oct 22, 2015 11:15 pm
Forum: Tutorials
Topic: A Simple RS232 Serial Interface
Replies: 8
Views: 9726

Re: A Simple RS232 Serial Interface

Hi, It is very great tutorial and give me some rough idea. I am newbie to those controller and PIC program. I didn't see you post those steps regarding how to execute your software part. Can you guide me through the steps? like how to implement .c file? Should I compile .c file? what program to run ...

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