| Year | 2008 |
| Date | 14-Mar |
| Volume | 200 |
| Issue | 4,321 |
| Page | 316 |
| Category | Stationary Engine |
| Part | |
| Title | Self-starting single-cylinder double-acting steam engine |
| Author | Les Kerr (Australia) |
| Notes | Explains the stepper motor control circuitry. Stepper driver operation, board building notes, crankshaft sensors, reversing sequence, stopping sequence, overview of all functions, debouncing switches, reverse circuitry diagram, motor circuit diagrams, start-stop circuit diagram |