19 thoughts on “ Cheap LCD Uses USB Serial ” david moloney says: ... And just 4 wires connecting this entire UI module to my project. ... I use them to display computer stats, ...

3 Wire LCD Display. 5 Comments . by: Juan Aguilar. June 13, ... The method is cheaper than a serial LCD, ... so the PIC’s RB3 just connects to the LCD module’s EN signal.” ...

SPI and I2C serial interfaces are also supported. Resistive and capacitive touchscreens options are also available. These enable the Smart TFT display modules to be easily configured to support ...

The serial link is used as a command/data line (for GP3 pin) and power line (for Vdd pin, through D1 and C1). The filter R2-C2 splits the GP5 pin to two I/O lines. If GP5 outputs a pulse greater than ...

The logic diagram for the transmitter (Fig. 2) includes an LCD display to provide feedback. Listing 1 (see at end of article) has the code for the 16F1619. 2.