Finger Detection
AssemblyLow-power wake circuit that senses a fingertip arriving and triggers capture, letting the reader idle at microamp levels between uses. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Finger Detection
3 top-level lines as of r63183| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Wake Electrode | fingerprint-reader-wake-electrode | 1× | 1 | · | part |
| 2 | Detect IC | fingerprint-reader-detect-ic | 1× | 1 | · | part |
| 3 | Status LED | fingerprint-reader-status-led | 1× | 1 | · | part |