# Sacred Orange Dejarik ## Description 9V NE555 1 Hz LED Blinker (Through-Hole) ## Project Details - **Owner:** oozliuoo - **Created:** 2/2/2026 - **Last Updated:** 2/2/2026 - **Visibility:** Public - **System Architecture:** flowchart TD subgraph Power_Input [Power Input] B1["9V Battery Clip"] --> SW1["SPST Power Switch"] SW1 --> V9["+9V Rail"] B1 --> GND0["GND"] end subgraph Timer_555 [NE555 Astable] V9 --> U1["NE555 Timer"] GND0 --> U1 U1 -->|"OUT"| LEDDRV["LED Drive Node"] U1 --- RCNET["Timing R-C Network"] U1 --- DECAP["Decoupling Caps"] end subgraph Output [Indicator Output] LEDDRV --> RLED["LED Resistor"] --> D1["Red LED"] --> GND0 end - **Copies:** 1 ## Key Components ### BT1 — [968](https://www.flux.ai/adrian95/968~4al.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/M65p31.pdf - Package: THT Battery Clip - Role: Power Source Connector - Part Type: Battery Connector - Manufacturer Name: Keystone - Role Details: 9V (PP3) battery snap connector to power the circuit - Package or Case Code: BAT_968 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 968 **Pins:** - N [pin N] - P [pin P] ### LED1 — [WP710A10ID5V](https://www.flux.ai/adrian95/wp710a10id5v~ugr.md) - Role Details: Red LED blinks at ~1 Hz from 555 output - Manufacturer Part Number: WP710A10ID5V - Manufacturer Name: Kingbright - License: https://creativecommons.org/licenses/by/4.0/ - Package: THT 5mm - Part Type: LED - Role: Indicator - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/WP710A10ID5V.pdf **Pins:** - A [pin 2] - K [pin 1] ### S1 — [200USP9T1A1M2RE](https://www.flux.ai/jecstronic/200usp9t1a1m2re~y9j.md) - Manufacturer Part Number: 200USP9T1A1M2RE - License: https://creativecommons.org/licenses/by/4.0/ - Package: THT Toggle - Manufacturer Name: E-Switch - Role Details: SPST on/off switch in series with 9V battery positive - Datasheet URL: https://eswitch.wpengine.com/wp-content/uploads/2022/06/200U.pdf - Part Type: Switch - Role: Power Switch **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) - Manufacturer Part Number: NE555P - Manufacturer Name: Texas Instruments Inc. - Role Details: NE555 astable oscillator generating ~1 Hz blink - Datasheet URL: http://www.ti.com/lit/ds/symlink/ne555.pdf - Package: DIP-8_W7.62mm - Package or Case Code: DIP-8_W7.62mm - Role: Timer **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/oozliuoo/sacred-orange-dejarik~k2](https://www.flux.ai/oozliuoo/sacred-orange-dejarik~k2).* --- *Generated from [https://www.flux.ai/oozliuoo/sacred-orange-dejarik~k2](https://www.flux.ai/oozliuoo/sacred-orange-dejarik~k2)*