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DIY Kit Module 9V-12V AT89C2051 Digital Number Compon LED Be super welcome 6 Free shipping

DIY Kit Module, 9V-12V AT89C2051 6 Number Digital LED DIY Compon

$6

DIY Kit Module, 9V-12V AT89C2051 6 Number Digital LED DIY Compon

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Product description

Description
The main part of the display part is a 2-digit common anode red digital tube, which is driven by a PNP transistor. Each port is equipped with a current-limiting resistor. The driving mode is scanning, which occupies ports P1.0 to P1.6. The colon part uses 4 Φ3.0 red lights, and the driving mode is independent port driving, which occupies the P1.7 port.
Electronic clock module
-Material: Polymer.
Instructions for use:
Function button description: S1 is a function selection button, S2 is a function expansion button, and S3 is a numeric value plus one button.
Function and operation instructions: During operation, press S1 continuously for a short time (less than 1 second) to continuously cycle through the above 6 functions. If you long press (more than 2 seconds) S1 in the middle, it will immediately return to the state of the clock function.
â‘ Clock function: 10:10:00 will be displayed after power-on, which means perfection.
â‘¡Time adjustment function: Short press S1 once, that is, the current time is flashing. Press S2 to increase the hour digit, and press S3 to increase the minute digit. The second is not adjustable.
â‘Alarm function: Short press S1 twice, the display status is 22:10:00, and the colon is long on. Press S2 to increase the hour position, and press S3 to increase the minute position. The second hour is not adjustable. When the hour digit exceeds 23, it will display --: --: --, this means that the alarm clock function is turned off. The alarm bell is a long buzzer for 3 seconds.
Package Including
1 * Electronic clock module

DIY Kit Module, 9V-12V AT89C2051 6 Number Digital LED DIY Compon

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