LEAN CARS Music Panel for HL1638

The LEAN CARS Music Panel for HL1638 is a versatile control interface designed for interactive displays, audio control, and DIY electronics projects. Featuring an 8-digit 7-segment LED display, 8 push buttons, and 8 dual-color LEDs, this panel provides intuitive user interaction and visual feedback. It integrates an IR receiver and buzzer, making it suitable for remote control and sound applications. Compatible with Arduino, Raspberry Pi, ESP32, and other microcontrollers, it communicates via a 3-wire serial interface (STB, CLK, DIO) using a custom protocol for the HL1638 controller IC.

Advantages

This music panel offers a complete solution for adding a user interface to your projects. The bright red LED display is easy to read, while the dual-color LEDs (red/green) provide clear status indication. The integrated buzzer enables audible feedback, and the IR receiver allows for wireless control. With its standard 2.54mm pin header, it is easy to connect and mount, making it ideal for prototyping and permanent installations.

Suitable for

• DIY electronics enthusiasts
• Interactive display projects
• Audio control systems
• Educational kits and prototyping
• Remote control applications

Key specifications

• Controller IC: HL1638
• Display: 8-Digit 7-Segment LED (Red)
• Input Voltage: 5V DC
• Interface: 3-Wire Serial (STB, CLK, DIO)
• User Input: 8 Push Buttons
• Indicators: 8 Dual-Color LEDs (Red/Green)
• Integrated: IR Receiver, Buzzer
• Current Consumption: Approx. 50mA (max)
• Operating Temperature: -20°C to 70°C
• Board Material: FR-4 PCB
• Mounting: 4 Mounting Holes
• Pin Header: Standard 2.54mm Pitch

Recommendations

For best results, use with a 5V power supply and connect to your microcontroller using the provided pin headers. Refer to the HL1638 datasheet for detailed communication protocol. This panel is not intended for high-power applications.