Open source nanovoltmeter
Components (74)
| Reference | Value | Description |
|---|---|---|
| Q1-Q3 | BC847 | |
| U1 | KPSB25 | |
| U2 | PC817 | |
| U3 | L78L09 | |
| U4 | LM324 | |
| U5 | TPS3116D2 | |
| U6,U7 | LM43600 | |
| U8 | 74HCT244 | |
| U9 | STM32F373VB | |
| U10 | 74LVC1G14 | |
| U11 | 25LC640 | |
| U12 | MCP1525-TT | |
| U13,U18 | LM7805_TO220 | |
| U14,U15 | LM317_TO-220 | |
| U16,U17 | LM337_TO220 | |
| C1,C8,C14,C18,C20,C22,C24,C25,C27,C42-C44,C63-C65 | 220n | |
| C2 | 47n | |
| C3,C5,C7,C56,C58-C61,C66,L6 | 22u | |
| C4,C6,C9,C13,C19 | 1u | |
| C10,C11,C15,C16,C28,C35 | 680n | |
| C12,C17 | 10n | |
| C21,C23 | 22n | |
| C26 | 470u | |
| C29,C36,C54,C55 | 33p | |
| C30-C33,C37-C40,C45,C51 | 2u2 | |
| C34,C41 | 100u | |
| C46-C50,C52,C53 | 100n | |
| C57,C62,C67 | 1m2 | |
| D1,D2 | B340 | |
| D3,D4,D7-D9 | LED | |
| D5 | DF10S | |
| D6 | 4V7 | |
| D11-D14,D16-D19 | 1N5819 | |
| F1 | Fuse | |
| FB1 | Ferrite_Bead_Small | |
| H1-H12 | MountingHole | |
| J1 | Conn_01x02_Male | |
| J2 | Conn_01x03_Male | |
| J3,J11 | Conn_01x05_Male | |
| J4,J9,J12 | Conn_01x06_Male | |
| J5 | Conn_01x10_Male | |
| J6 | Conn_02x07_Odd_Even | |
| J7 | Conn_02x05_Odd_Even | |
| J8,J10 | Conn_02x08_Odd_Even | |
| JP1 | Jumper_3_Bridged12 | |
| L1-L4 | 10u | |
| L5 | 33u | |
| L7-L11 | 68u | |
| LOGO1 | logo_generic | |
| LS1 | Speaker | |
| R1-R4,R28,R34,R38 | 39k | |
| R5,R61,R63 | 1k2 | |
| R6,R40-R43,R48,R49 | 620R | |
| R7,R20,R23,R51,R59,R66 | 240R | |
| R8,R53-R55 | 2K4 | |
| R9 | 1k | |
| R10,R11,R15,R16,R18,R22,R25,R29,R44-R46,R50,R56,R57,R64,R67 | 18k7 | |
| R12,R21 | 3R3 | |
| R13,R14,R24,R27,R32,R36 | 100K | |
| R17,R19,R26 | 180k | |
| R30,R31,R52 | 6k2 | |
| R33,R37 | 1M | |
| R35 | 249k | |
| R39 | 442k | |
| R47 | 24R | |
| R58,R65 | 220R | |
| R60,R62 | 2k61 | |
| RN1-RN5,RN7-RN10 | 51R | |
| RN6 | 20k | |
| RV1 | 100k | |
| RV2 | 10k | |
| SW1 | NE018 | |
| TP1,TP2 | TestPoint | |
| Y1 | 8MHz |