Front panel with LED indicators: power and activity, designed for SDriveMAX for 8-bit Atari XL/XE computers.

The potentiometers allow you to adjust the brightness of the LEDs to an even and desired level. It should be connected to the RX, 5V, and GND pins on the Arduino UNO module.

The panel does not require any additional modules to function.

Its small size makes it suitable for a 3D-printed case, such as https://www.thingiverse.com/thing:5037759 and others. The photos show the assembly process. The connector should be soldered as close to the PCB as possible, removing the plastic stoppers.

BOM:

• 2x 330 Ohm THT resistors
• 2x LED 3mm (RED and GREEN)
• 3-pin 2.54mm male connector
• 2x 1 kOhm potentiometer (3362W-1-102LF) (https://aliexpress.com/item/1005006652482075.html)
• Approximately 10-15 cm of 3-core cable with 2.54mm female connectors on one end.

The potentiometers can be omitted; however, in that case, you need to select the appropriate resistor values for the LEDs to achieve the desired brightness level, typically within the range of 470 ohms to 1.5 kOhms, and solder bypasses in place of the potentiometers.

More info here:

https://forums.atariage.com/topic/275629-sdrive-max-atx-support/?do=findComment&comment=5523131