Product: Taidacent 2.2 Inch TFT LCD Touch Screen Controller Board Screen Expansion Board with Pen LCD Screen Adapter Board RM68130
Brand: Taidacent
Color: without Temperature Module
-UNO R3 and its compatible motherboards can directly use it to display characters and graphics, BMP format pictures, can achieve touch control 
 -Compatibility: Since the logic level is 3.3V, it is directly compatible with the 3.3V UNO R3 motherboard, and a level conversion circuit needs to be added when connected to the 5V UNO R3 / Mega2560. 
 -Library: UTFT 
 -Driver chip: RM68130 
 -Touch screen type: resistive touch screen 
 -Touch pen: 9cm in length 
 -Resolution: 176X220, 16-bit (262,000) color 
 -Display size: 2.2 inches 
 -Operating voltage: 3.3V 
 -Logic level: 3.3V 
 -Operating current: the maximum value is 150mA 
 -The LED pin can be used to connect the backlight control circuit to control the brightness of the backlight, or it can be directly connected to GND and always light the backlight LED 
 -Very suitable for making digital photo frames, oscilloscopes, function generators, detection system displays 

2.2-inch TFT LCD screen expansion board, the display has a built-in controller with RAM cache, so almost no work is done by the microcontroller.
The module converts the pins of the LCD screen into pin headers with a pitch of 2.54mm, which reduces the difficulty of secondary development.
With GPRS module, DIY mobile phone can be made.
With the NFC reader module, you can make access control and photo display systems.
With voltage and current sensors, an oscilloscope can be made.

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