# 9V Hand-Solder 555 Blinker ## Description Hand-solderable 9V battery-powered red LED blinker using a 555 timer astable circuit, on/off switch, and through-hole support components. ## Project Details - **Owner:** bryan - **Created:** 5/19/2026 - **Last Updated:** 5/19/2026 - **Visibility:** Public ## Key Components ### BT1 — [BH9VPC](https://www.flux.ai/adrian95/bh9vpc.md) - Part Type: Battery Holder - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: 9V block battery holder - Role: Energy Storage - Manufacturer Part Number: BH9VPC - Manufacturer Name: MPD - Datasheet URL: https://www.memoryprotectiondevices.com/datasheets/BH9VPC/BH9VPC-datasheet.pdf **Pins:** - - [pin -] - + [pin +] ### LED1 — [LTL-307EE](https://www.flux.ai/vasy_skral/ltl-307ee~a2.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/1153/LTL-307EE.pdf - Manufacturer Name: Lite-On Inc. - Manufacturer Part Number: LTL-307EE - Role Details: Red LED blink output - Role: Signal Generation - Part Type: LED - Forward Voltage: 2V - Current: 4.7mA **Pins:** - A [pin 2] - K [pin 1] ### SW1 — [AS11CH](https://www.flux.ai/adrian95/as11ch~i2s.md) - Role: Switching - Manufacturer Name: NKK Switches - Part Type: Switch - Role Details: Main 9V battery on/off switch - Datasheet URL: https://www.nkkswitches.com/pdf/Aslides.pdf - Manufacturer Part Number: AS11CH **Pins:** - P1 - P3 ### U1 — [NE555P](https://www.flux.ai/kicad-part-library/ne555p~vhf.md) - Part Type: Precision Timer - Package or Case Code: DIP-8_W7.62mm - Manufacturer Name: Texas Instruments Inc. - Role: Signal Generation - Role Details: Astable oscillator for 1 Hz LED blink - Datasheet URL: http://www.ti.com/lit/ds/symlink/ne555.pdf - Domain: Consumer Electronics - Manufacturer Part Number: NE555P - Operating Voltage: 9V **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/bryan/9v-hand-solder-555-blinker~7mx](https://www.flux.ai/bryan/9v-hand-solder-555-blinker~7mx).* --- *Generated from [https://www.flux.ai/bryan/9v-hand-solder-555-blinker~7mx](https://www.flux.ai/bryan/9v-hand-solder-555-blinker~7mx)*