A Proteus simulation of an Arduino Uno (ATMEGA328P) bootloader, which bootloads new firmware from an SD card, is linked below. Simulatable Example of Bootloading Arduino Uno from SD card. A demo copy of Proteus is required to open the .pdsprj file. This bootloader, called avr_boot (https...
The chip I am using in my example is the ATMEGA328P. In your code folder you downloaded from the member area, you will find 2 folders for bootloaders. They are called "bootloader168" and bootloader328P) The first thing you need to do is look at the makefile. The default makefile us...
40AH wasn’t good enough for me, so I switched the lead acid batteries to 18650 Lithium batteries using battery cells salvaged from the old laptop batteries. Using brand new 18650 cells were fine. But it was expensive. I purchased a few of the cheap 18650 cells from Amazon, eBay, Aliexpr...
Connect to a LeonardoSimply plug the Yun Shield on top of the Leonardo, and power the Leonardo via the DC jack. In the Arduino IDE, the board type should select Arduino Yun.Connect to Arduino UnoIn a UNO the uart connection between the mega328P and mega16u2 will influence the bridge ...