How do you control the backlight PWM?

I’m pretty sure you PWM the input signal. There is no internal PWM source.

What are the power requirements?

5v. The two I am using are currently plugged into an Arduino Mega and an Arduino Uno.

How to get hardware connection to work only white screen?

The color is set in code. For example: tft.setCursor(0, 74); // set text start at location tft.setTextColor(ST7735_WHITE); //#define ST7735_WHITE 0xFFFF tft.println("Cool: "); // print "Cool: " in white Your ST7735 library should have all what you need.

Can this screen show pictures and or gifs with out the use of a Arduino?

No. It needs some kind of microcomputer to show pictures, if not an Arduino, try a Raspberry Pi.

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🚀 Elevate your DIY projects with vibrant clarity and effortless integration!

EXPANDABLE CREATIVITY - Built-in SD card slot for seamless function upgrades
PLUG PLAY SIMPLICITY - Direct Arduino insertion for instant prototyping
VIVID COLOR BRILLIANCE - 16-bit RGB delivers 65,000 rich colors for stunning visuals
EFFICIENT SPI COMMUNICATION - Only 4 IO pins needed, freeing up your MCU resources
RELIABLE SUPPORT WARRANTY - 1-year replacement and lifetime tech support to keep you coding

The DSD TECH 1.8 Inch TFT LCD Display Module features a crisp 128x160 resolution with 65K color depth, powered by the ST7735S driver. Designed for Arduino and MCU enthusiasts, it uses a 4-wire SPI interface requiring minimal IO pins, includes an SD card slot for expansion, and operates on 3.3V/5V. Lightweight and compact, it comes with sample code and backed by 1-year warranty plus responsive technical support.

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Brand	DSD TECH
Product Dimensions	7.01 x 3.99 x 2.49 cm; 13.61 g
Item model number	efd95662-de10-40c9-ae6b-6d3818d63841
Manufacturer	DSD TECH
Series	efd95662-de10-40c9-ae6b-6d3818d63841
Color	Default
Standing screen display size	1.8 Inches
Screen Resolution	128 X 160
Resolution	128 X 160
Number of USB 2.0 Ports	1
Number of HDMI Ports	1
Voltage	5 Volts (DC)
Are Batteries Included	No
Item Weight	13.6 g

DSD TECH 1.8 Inch TFT LCD Display Module with SPI Interface for Arduino and MCU

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