Open source nanovoltmeter
Components (26)
| Reference | Value | Description |
|---|---|---|
| U1 | W5500_breakout | |
| U2 | 75ALS160 | |
| U3 | AT90S4433 | |
| U4 | 74HCT08 | |
| U5 | 75ALS161 | |
| U6 | CH340G | |
| C1 | 100u | |
| C2,C3,C6-C9 | 1u | |
| C4,C5,C11,C12 | 22p | |
| C10 | 470p | |
| D1 | BAV99 | |
| D2 | SM6T6V8A | |
| H1-H4 | MountingHole | |
| J1 | Centronics 24, socket | |
| J2 | IDC_6pin | |
| J3 | Conn_01x02_Male | |
| J4 | USB_B | |
| J5 | IDC_16 | |
| LOGO1 | PCB logo | |
| R1,R5,R6,R9,R12 | 12k | |
| R2-R4 | 120R | |
| R7,R13,R15,R16 | 2k4 | |
| R8,R11,R14,R17,R18 | 3k9 | |
| R10 | 39k | |
| Y1 | 7.3728MHz | |
| Y2 | 12MHz |