Main Board
AssemblyController board whose front end is an ultra-high-impedance electrometer amplifier feeding a high-resolution ADC, so the femto-amp electrode current is read without loading the cell. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Main Board
6 top-level lines as of r124316| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 2 | High-Impedance Amplifier | ph-meter-hi-z-amp | 1× | 1 | · | part |
| 3 | Microcontroller | mcu | 1× | 1 | · | part |
| 4 | High-Resolution ADC | ph-meter-adc | 1× | 1 | · | part |
| 5 | SMD Passive (R/C/L) | smd-passives | 1× | 1 | · | part |
| 6 | Connector | connector | 4× | 4 | · | part |