This project uses potentially lethal mains voltages and comparatively high currents. Do NOT skimp on safety arrangements such as earthing (grounding), fuses, ventilation and preventing access to live parts through ventilation slots.
The Printed Circuit Board
'Special' Components
| Enclosure 235 x 150 x 80mm | Discount Devices |
| Heatsink 60 x 165.5 x 35mm | Discount Devices |
| 10,000µF 63V Capacitor | Discount Devices |
| 4k7 5-Turn Potentiometer | GSR ANALOG |
| Transformer 7.5 + 7.5v 50VA | Rapid Electronics |
| Terminal Posts 4mm | Rapid Electronics |
| Seno etch resist transfers | Rapid Electronics |
| ATmega328 with Arduino Bootloader | HobbyTronics |
| 16MHz Crystal + 2x22pf Caps. | HobbyTronics |
| ACS712 5A Breakout Board | HobbyTronics |
| LCD 16 x 2 and BV4108 Controller | ByVac Electronics |
| BV104 USB-to-Serial Converter | ByVac Electronics |