freqcount
d00p44
accurate frequency counter
Components (14)
| Reference | Value | Description |
|---|---|---|
| QA1 | Quarz-Adapter | |
| U1-U4 | 74LS390 | |
| U5 | ATmega328PB-A | |
| U6 | 74LV8154 | |
| U7 | 74AHC1G04 | |
| C1,C2 | 22pF | |
| C3 | 100nF | |
| D1,D2 | 1N4448 | |
| J1,J2 | Conn_01x03_Male | |
| J3 | Conn_01x04_Male | |
| J4 | Conn_01x06_Male | |
| R1,R2 | 10k | |
| SW1 | SW_DIP_x04 | |
| Y1 | 16MHz |