Questions tagged [isp]

In-system programming (ISP) refers to the ability of chips to be programmed while installed in the system.

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ArduinoISP external programmer produces verification error?

I am using an ArduinoISP external programmer to upload a sketch to an Arduino MEGA. I set the processor type to MEGA 2560, and use Ctrl-Shft-U to upload using a programmer. My programmer is set to ...
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3k views

Male header pins on Arduino Uno

On my board, there are 12 (2 groups of 6, each group consistent of 3 rows of 2 pins) weird male header pins. What are these, and how would you use them?
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What is the proper way to turn an Arduino UNO into an ISP?

I have a bricked Arduino Uno and I want to try to flash the bootloader. I'm trying to figure out how to do it. On this tutorial from SparkFun you can see this diagram: They also show this table of ...
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3answers
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When using Arduino Uno as ISP does “Yikes! Invalid device signature” mean a bad connection, bad config, or bad version of avrdude?

I'm using an Arduino UNO to program a pre-compiled hex image to an ATTINY45, using the avrdude in the Arduino IDE directory, on Windows 7. The Uno has the ISP sketch loaded from the examples directory ...
3
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3answers
3k views

burn arduino bootloader and compiled sketch at same time

How can I write the bootloader and sketch code to an Arduino through the ISP and then write the sketch code again using the Arduino IDE later? Currently, I can write the bootloader through the ISP ...
2
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1answer
5k views

Upload a .hex file, using a standalone ISP, without overwriting bootloader

Is it possible to flash a .hex file on an AVR MCU, which already contains the Arduino bootloader, using an AVRISP mkII, without overwriting the bootloader? In my concrete situation, I have an Arduino ...
1
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2answers
2k views

Attiny88 programming with Arduino

I want to program Attiny88 with Arduino IDE 1.6.5. I chose Attiny88 because it's the cheapest Attiny (as low as $0.5) and at the same time has 28 pins. I found a library that support Attiny88 (https:/...
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Unable to upload code to Leonardo

I was using Arduino-Makefile to upload code to a Leonardo via its standard make upload. However, it became "stuck" and unresponsive, as Leonardo's sometimes do. I tried power cycling it, and ...