MOD: Ender 3 LCD Backlight On/Off

by DPmakes in Circuits > Electronics

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MOD: Ender 3 LCD Backlight On/Off

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Mod for display light on/off wile printing at night. Now You can turn off backlight.

Materials and Tools:

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Soldering skills required.

Materials:

• A mini-switch on/off
• 10cm jumper wire
• A resistor, can use <100 ohms , originally was 47 ohms . bigger nominal dims more screen light.


Tools:

• A soldering iron
• A wire clipper

Remove Resistor

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Remove resistor from lcd board. Indicated red circle

New Resistor

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Take your new resistor of fewer than 100 ohms.
A higher value allows the LCD screen to darken.

I chose my almost 100 ohms. now the lighting on my screen is softened it was.

And get soldered on the board.

Switch and Wire

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Soldier wires on the switch.

Resistor and Wire

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Solder wires to the resistor.

Job Done

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Assembling the screen back .
And now you can on/off your screen light.