Computation and Display
AssemblyMicroprocessor computes ground resistance R = V / I; displays resistance in ohms and trending over time. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Computation and Display
4 top-level lines as of r52761| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | ARM Cortex-M3 Microcontroller | earth-ground-tester-mcu | 1× | 1 | · | part |
| 2 | 3.5-Digit LCD Display | earth-ground-tester-lcd-display | 1× | 1 | · | part |
| 3 | Control Button | earth-ground-tester-buttons | 3× | 3 | · | part |
| 4 | Flash Memory | earth-ground-tester-memory | 1× | 1 | · | part |