Remove the old OLED from the palstic carrier by sliding a scalpel below the glass and lifting it away from the double sided tape that secures it.
Unscrew the screen holder.
Unsolder the OLED's flex print from the main PCB
Remove a new OLED from a donor module board, such as these...
Take great care in removing the glass+flexprint form the main board as the double sided tape grips real good!
You can buy just the OLED screen without the PCB, but I had one of the modules in my parts bin, so used that.
You can buy just the OLED screen without the PCB, but I had one of the modules in my parts bin, so used that.
Solder the donor OLED to the Heltec
Clean everthing up, screw the screen holder to the main PCB, apply new double sided tape and carefully align the OLED and fix in position.
Apply power whilst holding your breath, if there's no magic smoke and the display lights up, breathe again!
Apply power whilst holding your breath, if there's no magic smoke and the display lights up, breathe again!
Success!
