# Brainstorm a new project with AI [Example] ## Description 9V Battery-Powered 555 Timer Astable LED Blinker at 1 Hz (Through-Hole Design) ## Project Details - **Owner:** dwynings - **Created:** 1/28/2026 - **Last Updated:** 1/28/2026 - **Visibility:** Public - **Operating Voltage:** 9V - **Power Requirements:** Battery - **Reference Design URL:** https://www.ti.com/lit/ds/symlink/ne555.pdf - **Part Type:** Power Source - **Domain:** Consumer Electronics - **Mount:** Through Hole - **Human Interface:** Switches - **Manufacturing Quantity Target:** 5 - **Role Details:** 9V battery-powered NE555 timer in astable mode blinking an LED at ~1 Hz - **ERC/DRC Status:** No ERC/DRC violations; Missing Footprints check: Success - **Role:** Signal Generation - **License:** https://creativecommons.org/licenses/by/4.0/ - **Logic Function:** Timer ## Key Components ### D1 — [WP937AD/EGW](https://www.flux.ai/jecstronic/wp937adegw~hi.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Kingbright - Manufacturer Part Number: WP937AD/EGW - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/WP937AD-EGW.pdf - Package: 3mm T-1 Through Hole - Role Details: Indicator LED for timer output blinking - Part Type: LED **Pins:** - 1 [pin 1] - 2 [pin 2] ### J1 — [1294](https://www.flux.ai/adrian95/1294~dfz.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Voltage: 9V - Role Details: Power input from 9V battery - Manufacturer Part Number: 1294 - Manufacturer Name: Keystone Electronics - Role: Connector - Datasheet URL: https://www.keyelco.com/userAssets/file/M65p33.pdf **Pins:** - NEGATIVE [pin N] - POSITIVE [pin P] ### SW1 — [200USP9T1A1M2RE](https://www.flux.ai/jecstronic/200usp9t1a1m2re~y9j.md) - Role: Connector - Manufacturer Part Number: 200USP9T1A1M2RE - Role Details: Power isolation switch - Manufacturer Name: E-Switch - Datasheet URL: https://eswitch.wpengine.com/wp-content/uploads/2022/06/200U.pdf - Part Type: Switch - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - COM [pin 6] - NO [pin 4] - SUPPORT_TERMINAL_1 [pin 1] - SUPPORT_TERMINAL_2 [pin 3] ### U1 — [NE555P - 518340](https://www.flux.ai/kicad-part-library/ne555p~vhf.md) - Role Details: Astable oscillator timer IC for LED blinking at ~1 Hz - Part Type: Operational Amplifier (OP-AMP) - Datasheet URL: http://www.ti.com/lit/ds/symlink/ne555.pdf - Manufacturer Part Number: NE555P - Integrated Circuit Type: Linear - Package: DIP-8 - Role: Timing - Mount: Through Hole - Package or Case Code: 8-DIP - Manufacturer Name: Texas Instruments Inc. **Pins:** - CV [pin 5] - DIS [pin 7] - GND [pin 1] - Q [pin 3] - R [pin 4] - THR [pin 6] - TR [pin 2] - VCC [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/dwynings/brainstorm-a-new-project-with-ai-example~j5](https://www.flux.ai/dwynings/brainstorm-a-new-project-with-ai-example~j5).* --- *Generated from [https://www.flux.ai/dwynings/brainstorm-a-new-project-with-ai-example~j5](https://www.flux.ai/dwynings/brainstorm-a-new-project-with-ai-example~j5)*