
arduino uno - What is an ICSP pin? - Arduino Stack Exchange
Jun 30, 2017 · ICSP stands for In Circuit Serial Programming, which represents one of the several methods available for programming Arduino boards. Ordinarily, an Arduino bootloader program is …
isp - Programming Arduino via ICSP - Arduino Stack Exchange
I'm trying to programming Arduino Nano with another Arduino Nano via ICSP. I have a 6-pin cable directly connected to the ICSP's pin of the second board: ICSP NANO ISP 1 pin1 pin2 pin3 pin4 pin5 …
What's the 2nd ICSP header for in Arduino Uno R3?
Looking at my Arduino Uno R3 board and its reference design schematic I noticed that there's a second ICSP 6-pin header. In the schematic, the connector I'm referring to is named ICSP1.
What's the difference between ICSP vs ISP?
Apr 13, 2017 · I'm not sure if these terms are interchangeable or not. What's the difference between ICSP and ISP? Is it simply the reset? I've shown two configurations in this question I just asked. Are …
What is the use of ISP and ICSP in Arduino? - Arduino Stack Exchange
Oct 3, 2014 · I am trying to connect gsm module with my arduino uno. confused about the use of isp and icsp
Arduino Leonardo - Using ICSP pins for serial
Nov 8, 2016 · I'd like to know if it's possible to use the ICSP header pins on the Leonardo as GPIO pins, for example for software serial, and how to address them. I've a project which needs all available I/O …
Purpose of USB (FTDI) and ICSP connectors - Arduino Stack Exchange
Dec 29, 2017 · The ICSP is used for 'bare metal' programming. This what you'd use if you wanted to replace or remove the bootloader, change the clock oscillator settings, or program the device as a …
Have I bricked my Arduino Uno? Problems with uploading to board
Jul 9, 2015 · There is an ICSP (In Circuit Serial Programming) header on the board, adjacent to the Atmega16U2 chip, and near the USB socket. Disconnect the power first (unplug the USB cable and …
Newest 'icsp' Questions - Arduino Stack Exchange
Oct 26, 2025 · The Arduino Uno has an ICSP header that I imagine is for programming the board using a separate ICSP programmer. That is, its ICSP header turn the board into a target.
Arduino Ethernet Shield on Arduino Mega Pin Usage!
Jan 5, 2017 · Those 4 pins D50 to D53 are the ICSP pins which appear twice on the MEGA; the Ethernet Shield uses the second set of connections located in the middle of the Mega board. The …