New_ESR_PR4
bogdancandea
A redesigned PCB for the original ESR-PR4 ESR meter
Components (38)
| Reference | Value | Description |
|---|---|---|
| Q1-Q6 | BC807 | |
| QT1-QT4,QT6,QT7 | BC817 | |
| U1 | ATmega8L-8A | |
| U2 | AMS1117-5.0 | |
| AFF1-AFF3 | KW1-561CSA | |
| C1 | 33n | |
| C2,C4,C9,C11,C13,C14 | 100n | |
| C7 | 1u | |
| C12 | 470n | |
| CP3,CP10 | 10u | |
| CP4,CP5 | 22u | |
| CP6 | 100u | |
| D1,D2,D5,D6 | 1N4148W | |
| D7,D8 | 1N4007 | |
| H1-H4 | MountingHole | |
| R1,R4 | 100 | |
| R2,R14 | 1k | |
| R3,R9,R15-R17,R19,R23,R24,R26,R32 | 10k | |
| R5 | 6k8 | |
| R6-R8,R20 | 2k2 | |
| R10 | 680 | |
| R11,R22 | 220 | |
| R12 | 220k | |