I2C Serial Interface Board LCD1602 LCD2004 Adapter PCF8574 Arduino 5 PCS

• uge improvement, freeing up a lot of pins on the Arduino for additional functionality. Works fine with the LCD1602 and LCD2004.
• Modules can be cascaded up to eight. The device address can be modified by short-circuiting A0/A1/A2. The default address is 0x27. The default address can be detected by the program.
• The module uses the PCF8574, which enables most MCUs to implement remote I/O port expansion via two offerirectional buses (I2C). The device includes an 8-bit quasi-offerirectional port and an I2C bus interface.
• The contrast is adjustable, and the blue potentiometer is rotated clockwise to enhance, and counterclockwise to weaken.With backlight power control, you can set whether to connect the backlight po

• We offer FREE shipping on all orders!
• We ship within Three business days of payment, usually sooner.
• We use a selection of shipping services such as UPS, FedEx, USPS etc.
• We only ship to the lower 48 states, no APO/FPO addresses or PO Boxes allowed.
• Local pickups and combined shipping options are not provided at this time.

• You can return a product for up to 30 days from the date you purchased it.
• Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt.

Customer satisfaction is very important to us.
If you have any problem with your order, please contact us and we will do our best to make you satisfied.

If you have any queries, please contact us via . We usually respond within 24 hours on weekdays.

Thank you for shopping at our store.