# 38KHz Astable Oscillator ## Description A 940nm IR LED driven by a 38 KHz 555 Astable oscillator, which is modulated by a 1 KHz 555 Astable oscillator http://rcarduino.blogspot.com/2012/09/lap-timer-build-along-part-3-timer.html ## Project Details - **Owner:** brandon - **Created:** 12/19/2022 - **Last Updated:** 1/23/2023 - **Visibility:** Public - **Stars:** 1 - **Copies:** 1 ## Key Components ### IC2 [38 KHz] — [NE555P](https://www.flux.ai/vasyl/ne555p.md) - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Manufacturer Part Number: NE555P - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fse555 **Pins:** - CV - DIS - GND - Q - R - THR - TR - VCC ### LED1 — [IR LED THT D5.0mm Black](https://www.flux.ai/jharwinbarrozo/ir-led-tht-d5p0mm-black.md) - Part Type: Sensor **Pins:** - A - K ### V1 — [DC Supply](https://www.flux.ai/jharwinbarrozo/dc-supply.md) - Voltage: 5V **Pins:** - ANODE - CATHODE *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/brandon/38khz-astable-oscillator](https://www.flux.ai/brandon/38khz-astable-oscillator).* --- *Generated from [https://www.flux.ai/brandon/38khz-astable-oscillator](https://www.flux.ai/brandon/38khz-astable-oscillator)*