Here are some code examples for AVR C, developed primarily for STK200 and STK300 kits.

• AVR C Keypad Code
• AVR C UART Code
• AVR C LCD Code

Question: AVR USB Programmers give FTDI DLL error. Why?

Question: AVRISP-U AVR USB Programmer gives Device Not Responding error. Why?

Question: Half of PORTC C on my STK200 board will not work. Why?

Question: How do I program Boot Block and application code to my AVR microcontroller?

Question: I can connect to my AVR circuit with AVRISP, but PSI-ISP or AVRUSB or AVRISP-U cannot find the target device. What is the problem?

Question: I have a Handheld Programmer and a Keyfob Programmer. I am experiencing problems connecting to PC with Windows XP, and with updating the programmer code.

Question: I have an STK200, and I do not know which socket to use for a ATmega164.

Question: I have downloaded the latest AVRUSB software (v2.1. 4 on) and I get FTDIXX2.DLL error. What is the problem?

Question: I have made a 10 to 6-way adapter for a handheld programmer and it does not work.

Question: I have set Clock Fuses to External Clock on my device and the programmer cannot find it with STK200 board

Question: I only have a serial port on my laptop and PSI-ISP and EEISP hangs when I first connect it.

Question: I programmed my Mega128 and now it will not connect to my programmer.

Question: I want to use the mounted ATmega128 adapter (KANMEGDEV) on my own board. Do you have any layout information?

Question: Is there a method of reloading a project into Kanda programmers from the command line?

Question: My AVR is running very slowly, and UART transmission gives strange characters. Why?

Question: My parallel port programmer is giving program and verify errors. I am using Windows XP.

Question: My USB JTAGAVR Emulator fails firmware upgrade with the latest version of AVR Studio. I get the message 'No supported board found'

Question: Programmer is not detected on Parallel (Printer) port

Question: The PIC Handheld programmer will not work with my circuit. Are there any special circuit requirements?

Question: The ribbon cable on my programmer is not wired with pin 1 as the red stripe. It seems to be crossed. Is this a faulty lead?

Question: What are Bluetooth Profiles?

Question: What are the default Jumper settings for ST7 Starter kit

Question: What do the error codes mean on the PIC Handheld Programmer?

Question: What is the correct Clock setting for STK200?

Question: What is the low voltage support on different AVR programmers?

Question: What Windows Operating Systems are supported by Kanda programmers?

Question: When using ST7Starter kit, I receive the error message "No response from Device - Running Simulation" or "Unable to comunicate with Device"

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