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MC14490DWR2G this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MC14490DWR2G price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for MC14490DWR2G to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.
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Basic Introduction:
The MC14490DWR2G consists of a 4 × 4 matrix keyboard decoder with latch and LED drivers. It operates with a wide voltage range and low power consumption, making it suitable for battery-powered applications.
Application Scenario:
In this article, we'll explore a simple project using MC14490DWR2G to build a digital combination lock system.
Project Setup:
1. Components Needed:
- MC14490DWR2G IC
- 4 × 4 Matrix Keypad
- LED Display
- Resistors (for current limiting)
- Breadboard and jumper wires
2. Circuit Connection:
- Connect the 4 × 4 matrix keypad to the input pins of MC14490DWR2G.
- Connect the LED display to the output pins of MC14490DWR2G.
- Ensure proper power supply connections to the MC14490DWR2G IC and peripherals.
3. Code Implementation:
- Write firmware code to interface with the MC14490DWR2G IC. This code should read the keypad inputs, validate the combination, and control the LED display accordingly.
4. Project Functionality:
- The project functions as a combination lock system where users enter a predefined code using the keypad.
- Upon entering the correct code, the LED display can show a success message, and appropriate actions can be triggered (e.g., unlocking a door).
- Incorrect entries can trigger error messages on the LED display.
5. Testing and Troubleshooting:
- Test the project thoroughly to ensure proper functionality of the keypad, LED display, and MC14490DWR2G IC.
- Troubleshoot any issues with connections, code logic, or component failures.
Conclusion:
In this project, we've demonstrated the use of MC14490DWR2G in building a simple digital combination lock system. By understanding its functionality and application, beginners can explore further projects and applications with this versatile IC.
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All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MC14490DWR2G we delivered, we will accept the replacement or return of the MC14490DWR2G only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of MC14490DWR2G.
(3)The PartNo is unused and only in the original unpacked packaging.
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(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
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