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Arduino Pro Micro flash without USB connector

Flash Pro Micro with another Pro Micro

 
1) Wiring the Pro Micros
ProMicro ISP programmer		ProMicro
---------------------------------------------
GND				            GND
VCC				            VCC
10				            RST
14				            14
15				            15
16				            16

The extra 2 wire and led is for testing the "blink" sketch on the broken Pro Micro

photo_2020-01-27_15-54-16.jpg

 

2) Load edited ArduinoISP

Annotazione-2020-01-27-161958.png

Add this on top of the code before upload it to the Pro Micro

#define RESET 10
 
3) Select the right programmer (Use the same port and Arduino board as the step above)

Annotazione-2020-01-27-162350.png

 
4) Open the code you want to upload (E.g. "blink") to the broken Pro Micro and upload it with a programmer

Annotazione-2020-01-27-162741.png

 

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