an interface based on a MSP430F5510 that allows the use of usb 1.x-2.0 joysticks with retro gaming PCs that have a game port. source: https://github.com/rodan/lemidi https://cadlab.io/projects/lemidi author: Petre Rodan <2b4eda@subdimension.ro> license: GNU GPLv3 prototype pictures available here: https://photos.app.goo.gl/fXdDBng4dvEepq8V7 tested and supported joysticks: Logitech Extreme 3D Pro ID 046d:c215 Logitech, Inc. Extreme 3D Pro Logitech Attack 3 ID 046d:c214 Logitech, Inc. ATK3 (Attack III Joystick) Genius F-23 ID 0458:1004 KYE Systems Corp. (Mouse Systems) Flight2000 F-23 Joystick tested game ports: Sound Blaster Live! CT-4810 (any game port should be supported) the interface has an inbuilt overcurrent protection that activates if the connected peripheral sinks over 200mA on the 5V bus. once the peripheral is removed service will resume. LED statuses: green led - ON - if peripheral is supported and succesfully initialized OFF - if supported peripheral is disconnected OFF - if overcurrent condition is triggered red led - ON - if init failed or during overcurrent condition OFF - end of init OFF - end of overcurrent condition short blink - during device power-on