USB-powered quad DIN + triple 3.5mm MIDI thru board. Chainable for 8xDIN, 6x3.5mm, perfect for low-latency MIDI to multiple synthesizers and SMT soldering training.

New Version USB-powered quad DIN + quad 3.5mm MIDI thru board. Chainable for 8xDIN, 8x3.5mm, perfect for low-latency MIDI to multiple synthesizers and SMT soldering training.

Old version of DIY midiphy cable tester. Validate IDC and micromatch 8/10/16 pin cables - with graphical 16x16 LED Matrix connectivity visualization. New version with case: see K-UTL-02.

Test your LED brightness and learn SMT soldering! This PCB gives you a simple but handy tool to identify LED pins and see how bright they will shine with specified resistor values.