| Control rev1 | |||
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| Control rev2 | |||
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| Triac Board rev 1 | |||
| Serial LCD board | Serial LCD test | Sodium Persulphate | |
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| Control Schematic | Serial LCD Schematic | Serial LCD | Initial test run |
| Triac Board rev2 | PT100 Sensor | ||
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| Sensor Data Sheet | New batch of etchant | Sensor Mounted | |
| Insulated for control. | |||
| Control Mounted | |||
| Triac Side | |||
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