# 9V 555 LED Blinker ## Description Hand-solderable 9V battery-powered red LED blinker using a 555 timer astable oscillator, on/off switch, and through-hole components. ## Project Details - **Owner:** amirkat - **Created:** 6/12/2026 - **Last Updated:** 6/12/2026 - **Visibility:** Public ## Key Components ### BT1 — [BH9VPC](https://www.flux.ai/adrian95/bh9vpc.md) - Role Details: 9V block battery input - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: MPD - Part Type: Battery Holder - Datasheet URL: https://www.memoryprotectiondevices.com/datasheets/BH9VPC/BH9VPC-datasheet.pdf - Role: Power Source - Manufacturer Part Number: BH9VPC **Pins:** - - [pin -] - + [pin +] ### D1 — [L-53ID](https://www.flux.ai/lcsc/l-53id~yseu.md) - Manufacturer Part Number: L-53ID - Package or Case Code: LED-TH_BD5.9-P2.54-RD_RED - Role: Indicator - JLCPCB Part Class: Extended Part - Role Details: Red blink LED driven by U1 output through current limiting resistor - LCSC Part Number: C598429 - Manufacturer Name: Kingbright - Part Type: LED - Datasheet URL: https://www.lcsc.com/datasheet/C598429.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlVZVVIFFgBeVAVTT1BXUgFfEwJeVlBfEwVcAlMHRAQxVlNeR1RXVVVXT1leVTsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D **Pins:** - - [pin 1] - + [pin 2] ### S1 — [450301014042](https://www.flux.ai/markwuflux/450301014042~nt.md) - Manufacturer Name: Wurth Elektronik - Role: Power Switch - Manufacturer Part Number: 450301014042 - Role Details: SPDT slide switch wired as SPST by leaving one throw unconnected - Datasheet URL: https://datasheet.datasheetarchive.com/originals/distributors/DKDS-9/165080.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] ### U1 — [TLC555IP](https://www.flux.ai/lcsc/tlc555ip~n63p.md) - Package or Case Code: DIP-8_L10.1-W6.3-P2.54-LS7.6-BL - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: 555 timer configured for approximately 1.06 Hz LED blink rate from 9V battery - Manufacturer Part Number: TLC555IP - LCSC Part Number: C1520182 - Role: Astable Timer - JLCPCB Part Class: Extended Part - Part Type: Timer - Manufacturer Name: TI(德州仪器) - Datasheet URL: https://www.ti.com/lit/ds/symlink/tlc555.pdf?HQS=dis-dk-null-digikeymode-dsf-pf-null-wwe&ts=1775078142355&ref_url=https%253A%252F%252Fwww.ti.com%252Fgeneral%252Fdocs%252Fsuppproductinfo.tsp%253FdistId%253D10%2526gotoUrl%253Dhttps%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Ftlc555 - Symbol Style: parametric-v1 **Pins:** - CONT [pin 5] - DISCH [pin 7] - GND [pin 1] - OUT [pin 3] - RESET [pin 4] - THRES [pin 6] - TRIG [pin 2] - VDD [pin 8] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/amirkat/9v-555-led-blinker-bze4n~tx](https://www.flux.ai/amirkat/9v-555-led-blinker-bze4n~tx).* --- *Generated from [https://www.flux.ai/amirkat/9v-555-led-blinker-bze4n~tx](https://www.flux.ai/amirkat/9v-555-led-blinker-bze4n~tx)*