Introduction
Have you ever received a beautiful card that plays a delightful melody when you open it? If you have, you know how magical such a moment can be. If not, worry not, for we are here to help you create a musical greeting card that will delight your loved ones.
In this article, we will guide you through the simple process of making a singing, melodic greeting card that will bring joy and happiness to anyone who receives it. So, let’s dive in and explore the enchanting world of musical greeting cards!
Hardware Required
| S.no | Components | Value | QTY |
|---|---|---|---|
| 1 | IC | UM3166 | 1 |
| 2 | Push Button | – | 1 |
| 3 | Resistor | 680k | 1, 2, 1, 1 |
| 4 | Buzzer | – | 1 |
| 5 | Cell | 1.5V | 1 |
Circuit Diagram
Explanation
Creating a musical greeting card is an easy and enjoyable activity that anyone can do. By following the steps outlined below, you can make a greeting card that plays a delightful melody that will surely bring a smile to the recipient’s face.
Step 1: Obtain the Necessary Chips
To begin, you will need to get chips equipped with pre-programmed musical melodies. One option is to use the UM3166-xx fully autonomous melody generator chip with around 30 well-known song versions. Another option is the IC UM3561, which operates on a low battery voltage of 1.3 to 3 V and has antiphase output ports 2 and 4.
Step 2: Choose a Piezo Element
A piezo element is required to generate the musical output from the chip. If the output volume is insufficient, you can use a small audio amplifier with an 8-ohm speaker to boost the volume.
Step 3: Bridge Terminal 3 to 7
To ensure that the greeting card melody plays in a loop, bridge terminal 3 to 7 instead of 1.
Step 4: Use the Table for Melody Selection
The UM3166 ICs come pre-programmed with a list of tunes and popular melodies. The table provided with the chip will guide you in selecting the desired melody for your greeting card.
Conclusion
In conclusion, creating a musical greeting card is an enjoyable and easy process that requires only a few components. Following the simple steps outlined in this guide, you can create a greeting card that the recipient will surely cherish. Try out this circuit and ask any query; our comment section is there for you!
