Session 7 · Hour 1 · Draw the walk first

1. Hour 1Draw the walk first
2. Hour 2A step is a bit
3. Hour 3Sensor first. Then the next bit
4. Hour 4Dump the air. Then the scan

CheckWrite B+, A+, A−, B−. Map START and S1–S4 to X, solenoids to Y. Step bits M. F3 the walk. Init, cycle, mid-stop, e-stop home. A cylinder that will not step is sensor, step bit, valve, then jam — in that order. Residual air bites.