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AJMRTC 1602 LCD Keypad Shield, 16x2 Character LCD Expansion Board, Blue Backlight, 4.5-5.5V, HD44780 Display with 5 Navigation Keys for Microcontroller DIY Projects
- - Integrated 16×2 HD44780 LCD screen with soft blue backlight for clear text reading
- - 5 navigation push buttons plus reset button, all shared on single A0 analog pin
- - Onboard potentiometer to easily adjust LCD contrast for different lighting conditions
- - 4.5V-5.5V working voltage, stackable design for fast plug-and-play installation
- - Compact all-in-one expansion shield, ideal for data display and menu control builds
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Overview
Specs
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AJMRTC 1602 LCD keypad shield is a practical all-in-one expansion board built around standard HD44780 16x2 character LCD. It combines a blue backlight display, five navigation keys (Up, Down, Left, Right, Select) and a reset button on one PCB. All five keys are read through one analog A0 pin to save valuable digital IO resources. An adjustable potentiometer is onboard for tuning LCD contrast to get optimal viewing effect under bright or dim environments. It supports 4.5V to 5.5V power input, adopts stackable header layout, you can directly stack it onto main control boards without messy jumper wires. Great for displaying sensor readings, building interactive menu systems, electronic locks, weather stations and various beginner & intermediate embedded electronic DIY projects.
Specifications:
- Display Type: 16 Characters × 2 Lines (1602), HD44780 Compatible
- Backlight: Blue
- Working Voltage: 4.5V ~ 5.5V DC
- Buttons: 5 Navigation Keys + 1 Reset Key
- Key Reading: Single Analog Pin A0
- Contrast Adjustment: Onboard Potentiometer
- Interface: Standard Stackable Pin Header
- Operating Current: About 25mA at 5V
- Operating Temperature: -20 ~ +70
- Dimension: 80mm × 58mm
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by ConnectFlow USA Return Policy
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