# 1 Hz 555 LED Blinker gPJ6 ## Description Through-hole 9V battery-powered 555 timer circuit that blinks a red LED approximately once per second using an on/off switch and hand-solderable components. ## Project Details - **Owner:** brooks - **Created:** 5/29/2026 - **Last Updated:** 5/29/2026 - **Visibility:** Public ## Key Components ### BT1 — [BH9VPC](https://www.flux.ai/adrian95/bh9vpc.md) - Datasheet URL: https://www.memoryprotectiondevices.com/datasheets/BH9VPC/BH9VPC-datasheet.pdf - Manufacturer Name: MPD - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Battery Holder - Manufacturer Part Number: BH9VPC **Pins:** - - [pin -] - + [pin +] ### D1 — [LTL-307EE](https://www.flux.ai/vasy_skral/ltl-307ee~a2.md) - Part Type: LED - Manufacturer Name: Lite-On Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/1153/LTL-307EE.pdf - Manufacturer Part Number: LTL-307EE **Pins:** - A [pin 2] - K [pin 1] ### S1 — [450301014042](https://www.flux.ai/markwuflux/450301014042~nt.md) - Datasheet URL: https://datasheet.datasheetarchive.com/originals/distributors/DKDS-9/165080.pdf - Manufacturer Name: Wurth Elektronik - Manufacturer Part Number: 450301014042 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### U1 — [NE555P](https://www.flux.ai/adrian95/ne555p~870.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fse555 - Symbol Style: parametric-v1 - Manufacturer Part Number: NE555P - Manufacturer Name: Texas Instruments **Pins:** - CONT [pin 5] - DISCH [pin 7] - GND [pin 1] - OUT [pin 3] - RESET [pin 4] - THRES [pin 6] - TRIG [pin 2] - VCC [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/brooks/1-hz-555-led-blinker-gpj6~tl](https://www.flux.ai/brooks/1-hz-555-led-blinker-gpj6~tl).* --- *Generated from [https://www.flux.ai/brooks/1-hz-555-led-blinker-gpj6~tl](https://www.flux.ai/brooks/1-hz-555-led-blinker-gpj6~tl)*