# Frequency meter ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** sighted25 - **Created:** 12/8/2023 - **Last Updated:** 12/8/2023 - **Visibility:** Public ## Key Components ### D1 — [1N4448](https://www.flux.ai/jecstronic/1n4448~hdz.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.nteinc.com/specs/original/1N4148_4448.pdf - Manufacturer Name: NTE Electronics, Inc - Manufacturer Part Number: 1N4448 - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### J1 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/generic-pin-header-01x02-2p54mm-vertical~4uy.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### U2 — [SN74HC14QDRQ1](https://www.flux.ai/jecstronic/sn74hc14qdrq1~62.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/lit/ds/symlink/sn74hc14-q1.pdf - Manufacturer Part Number: SN74HC14QDRQ1 - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit **Pins:** - 1A [pin 1] - 1Y [pin 2] - 2A [pin 3] - 2Y [pin 4] - 3A [pin 5] - 3Y [pin 6] - 4A [pin 9] - 4Y [pin 8] - 5A [pin 11] - 5Y [pin 10] - 6A [pin 13] - 6Y [pin 12] - GND [pin 7] - VCC [pin 14] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/sighted25/frequency-meter~3h](https://www.flux.ai/sighted25/frequency-meter~3h).* --- *Generated from [https://www.flux.ai/sighted25/frequency-meter~3h](https://www.flux.ai/sighted25/frequency-meter~3h)*