"XenoTekk" Multi-Voltage Tekkeon Mod Here's a pic of the guts... TI UCC283-ADJ regulator 2 10uf capacitors small strip board from madvapes (cut in half) 3a push button switch 4 position switch 240ohm resistor - R1 787ohm resistor - R2 732ohm resistor - R2 634ohm resistor - R2 562ohm resistor - R2