chronovfd
ansemjo
hardware project for a clock around a russian ivl2-5/7 vfd and an esp32-wroom module
Components (41)
| Reference | Value | Description |
|---|---|---|
| Q1 | MBT3904DW1T1G | TRANS 2NPN 40V 0.2A SC88 |
| U1 | AP2114H-3_3TRG1 | IC REG LINEAR 3.3V 1A SOT223 |
| U2 | SN74HCT245PWR | IC TXRX NON-INVERT 3.6V 20DIP |
| U3 | ESP32-WROOM-32 | |
| U4 | DS1338Z-33+ | |
| U5 | FT231XS | |
| U6 | USBLC6-4SC6 | |
| U7 | DS18B20U | |
| A1 | 2020 | |
| A2 | Logo_Open_Hardware_Small | |
| BT1 | Keystone 1058 (CR2032) | |
| C1,C2,C15 | 4.7µF | |
| C3 | 1nF | |
| C4,C7,C8,C12,C14 | 100nF | |
| C5 | 10µF | |
| C6 | 1µF | |
| C9 | DNP/100nF | |
| C10,C11 | 47pF | |
| C13 | 10nF | |
| D1 | Photodiode | |
| D2 | PWR RED | |
| D3 | USR GRN | |
| D4 | 1N5819HW | |
| F1 | 500mA | |
| FB1 | 220ΩZ | |
| H1-H4 | MountingHole | |
| J1 | Header | |
| J2 | Ext | |
| J3 | JTAG | |
| J7 | GCT_USB4108-GF-A | |
| JP1 | Bridge | |
| R1 | 1MΩ | |
| R2,R3,R9,R10,R15,R16 | 10kΩ | |
| R4 | 2.2kΩ | |
| R5,R6,R8 | 4.7kΩ | |
| R7 | 1kΩ | |
| R11,R12 | 5.1kΩ | |
| R13,R14 | 27Ω | |
| SW1 | Reset | |
| SW2 | Boot | |
| Y1 | 32.768Hz, 12.5pF, 45kΩ |