Introduction: Burn Bootloader Arduino Nano As ISP to Pro Micro
How to burn Arduino bootloader to Pro Micro by Nano.
Step 1: Burning Bootloader
So, you need to burn bootloader to Arduino Pro Micro. You have good Arduino Nano.
1. Prepare Master:
Connect Arduino Nano to PC.
Open Arduino IDE 1.8.5
Arduino IDE: Tools-> Select Board -> Arduino Nano
Tools->Processor-> Atmega328p (old bootloader) # I buy board made in China
Tools->Processor->AVRISP mkII
Open File->Examples->11.Arduino ISP
nothing changes
Upload Sketch
2. Wiring:
Nano | Micro
GND - GND
5V - Vcc
D10 - RST
D11 - 16
D12 - 14
D13 - 15
+capacitor 4.7mkF-10mkF between GND and RST (check polarity!) for Nano
remark: if you have Nano 3v3 version,
3. Burn:
Arduino IDE: Tools -> Select Board -> Arduino Micro
Tools -> Programmetor -> Arduino as ISP
Click: Tools -> Burn bootloader
Wait about 1 minute.
2 LEDs on Arduino Pro Micro will fired when finished.