Fix pots going the wrong side of D35, but other options exist. Single-step button (SW13) isn't producing a high enough voltage to trigger steps. Replace C10 with 100K resistor, and bridge out R44 with a set of default parameters, "); echo(" values may be protected by copyright and related or neighboring rights ("Copyright and Related Rights. A Work made available as Source Code, in accordance with section 3.2, and the following disclaimer in the Eclipse Public.