Short version: A PCB with a circuit like a Smallsound/Bigsound Mini ... which is itself very like the Fairfield Circuitry Barbershop  in terms of circuit if nothing else... I have 9 8 7 6 3 of them up for grabs   For sale posted to your door in the UK for the price of a pint! (My pints are £5 from Amity brewery down the hill in Farsley)     Long version: Years back I got into building pedals, then sold them all and forgot it. Then I got into