Three 1602 displays seen from above, green boards with black-framed blue panels, the top one showing LONELY BINARY and LCD 1602 DISPLAY; beside them three black snap-on bezels, a mini screwdriver and the printed insert card.

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3-Pack 1602 LCD Display Module, I2C 16x2 Blue

A 16 × 2 character display with the I²C chip on the board rather than on a backpack. Four wires, address 0x27 by default, three solder pads to change it, and a contrast trimmer that explains most blank screens.

Displays: 3with bezels
Characters: 16 × 2
Supply: 5V
Address: 0x27

Start here · 01 A screen on four wires The reference

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The whole handbook11 articles · 55 min Codegithub.com DatasheetPDF · ti.com DatasheetPDF · cdn-shop.adafruit.com Pinout and specsThe pin table, and the questions people ask first

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3-Pack 1602 LCD Display Module, I2C 16x2 Blue

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3-Pack 1602 LCD Display Module, I2C 16x2 Blue

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Point a phone camera at the code and this page opens there. It is the same address as the one printed on your box, so it is also what to show someone you are passing the board to.