Insert the SerLCD backpack's long end of the headers through the back of a basic LCD. Hardware Hookup Assembling the SerLCD Backpack The logic levels will be the same as the input voltage. For the LCDs listed below, the input voltage for the backpack must be 3.3V even though the silkscreen says 5V. RedBoard Connected to a Basic Character LCD in ParallelÄepending on your LCD's specs, the input voltage may be 3.3V or 5V. The SerLCD supports 16 and 20 character-wide screens with 2 or 4 lines of display. Using the serial enabled controller, it is easy to connect to any microcontroller that has a serial UART port such as an Arduino, AVR, PIC, etc. Pulse width modulation of backlight allows direct control of backlight brightness and current.Backlight transistor can handle up to 1A and can be connected to external loads.Incoming buffer stores up to 80 characters.The PIC16F88 is populated on the built-in serial enabled LCDs.The PIC16LF88 is populated on the SerLCD backpack.PIC microcontroller utilizes onboard UART for greater communication accuracy. ![]() ![]() SerLCD v2.5 has some new features that make the SerLCD even more powerful and economical:
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