I2C Display
Materials
Gerber file
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Extra info / Update
Characteristics
* Universal LCD module for microcontrollers
* Requires just two I/O port pins
* Multiple displays on one I2C bus
* Simple to use with AVR firmware
Component list
P1 = 5kO, SMD (Murata)
R2,R3,R4 = 1kO8, SMD 0805
R5 = 39O, SMD 0805 (see text)
Capacitors
C1,C2 = 100nF, SMD 0805
C3 = 10µF 16V, SMD (Vishay), diam. 4mm
Semiconductors
IC1 = PCF8574 (PCF8574A) (see text)
T1 = BC807, SMD SOT23
Miscellaneous
LCD with HD44780 compatible controller
K1 = 4-way SIL pinheader, lead pitch 0.1" (2.54mm)
K2 = RJ11 socket, PCB mount
K3 = solder islands
J1,J2 = 2-way pinheader with jumper, 0.1" lead pitch
20-way pinheader, 0.1" pitch, for LCD connection
PCB # 080525-1
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