I have the new apm pro mini from china. Had it working great until it stopped connecting. All I have is a solid green power and no action lights. Assuming ive bricked it, I've been everywhere on the net to see how to flash the bootloader etc. But all I can find is instructions for the 2.x mega board. Im not sure where to connect the usbavr adapter pins to access the bootloader. I'll include some attachments of the board and what info I was able to dig up. I've contacted the seller and they've agreed to send a new one, but I would like trying to fix it myself as it is 30days to return and then 30 more to get the new one. Ive already purchased the 10pin to 6pin usbavr adapter which I assume is what I need, I just cant figure where the pins attached to. Any help would be great! Thxs.
What firmware did you loaded? If you're loaded with Arduplane V3.* you'll need to plug in the GPS module/external compass to get the heartbeat back and link to mission planner. It works for me. One more think sometime the pin connected to GPS/compass module loose pin wire.
did you have lucky ?
Mine is in same situation.
Up Border of board with RC inputs on your left side - my thumb
VCC - MOSI - GND
MISO - SCK - RESET
Remember - USBASP must be 3.3 Volts - you will be flashing the microcontroller directly
First I was finding all pins and then look at connectors - on my mind, somehow the manufacturer must flash the firmware after the board ready, so must be a connector somewhere - and exists :)
So I soldering some jumpers wire, connecto to my USBASP programmer, flash the bootloader and reflash Arducopter firmware, after reboot the board and connect on mission planner I remove the wires - be carefully with solder - the pins are very close
first, after connecting USBASP you must on arduino IDE reflash the bootloader.
Then, remove usbasp and using USB cable plugged on usb port open mission planner and on Initial Setup/Install firmware.
have you have experience dealing with arduino ?
You need first reflash arduino's bootloader - it's something like SO for arduino.
If you dont reflash bootloader, even if reflash your firmware, your board will stay unfunctional because without bootloader the board are useless