# pcbkj ## Description Hand-solderable 9V battery-powered red LED blinker using a 555 timer astable oscillator with an on/off slide switch. ## Project Details - **Owner:** mwoq8kjh - **Created:** 6/19/2026 - **Last Updated:** 6/19/2026 - **Visibility:** Public ## Key Components ### D1 — [1N5819HW-7-F](https://www.flux.ai/jecstronic/1n5819hw-7-f~x5v.md) - Manufacturer Part Number: 1N5819HW-7-F - Manufacturer Name: Diodes Incorporated - Datasheet URL: https://www.diodes.com/assets/Datasheets/ds30217.pdf - Part Type: Diode - Role: Reverse protection Schottky - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### F1 — [0603L050YR](https://www.flux.ai/adrian95/0603l050yr~cqy.md) - Datasheet URL: https://www.littelfuse.com/assetdocs/resettable-ptcs-0603l-datasheet?assetguid=879563f9-97a7-4e71-adba-37de085b333f - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 0603L050YR - Part Type: Fuse - Role: USB input PTC fuse - Manufacturer Name: Littelfuse Inc. **Pins:** - P1 [pin 1] - P2 [pin 2] ### J1 — [USB4215-03-A](https://www.flux.ai/adrian95/usb4215-03-a~kg3.md) - Datasheet URL: https://gct.co/files/specs/usb4215-spec.pdf - Manufacturer Name: GCT - License: https://creativecommons.org/licenses/by/4.0/ - Symbol Style: parametric-v1 - Role: USB-C power input - Part Type: USB C - Manufacturer Part Number: USB4215-03-A - Package or Case Code: GCT_USB4215-03-A_REVA **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND_A [pin A1_B12] - GND_B [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin SH1] - SHIELD [pin SH4] - SHIELD [pin SH2] - SHIELD [pin SH3] - VBUS_A [pin A4_B9] - VBUS_B [pin B4_A9] ### J2 — [B2B-PH-K-S](https://www.flux.ai/adrian95/b2b-ph-k-s~fx.md) - Part Type: Connector - Role: LiPo battery connector - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: JST_B2B-PH-K-S - Manufacturer Part Number: B2B-PH-K-S - Manufacturer Name: JST - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] ### J4 — [TSW-112-07-G-S](https://www.flux.ai/adrian95/tsw-112-07-g-s.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Role: Peripheral headers - Datasheet URL: https://suddendocs.samtec.com/catalog_english/tsw_th.pdf - Manufacturer Part Number: TSW-112-07-G-S - Manufacturer Name: Samtec **Pins:** - 01 [pin 01] - 02 [pin 02] - 03 [pin 03] - 04 [pin 04] - 05 [pin 05] - 06 [pin 06] - 07 [pin 07] - 08 [pin 08] - 09 [pin 09] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] ### J5 — [TSW-112-07-G-S](https://www.flux.ai/adrian95/tsw-112-07-g-s.md) - Manufacturer Name: Samtec - Manufacturer Part Number: TSW-112-07-G-S - Role: Peripheral/UART header - Part Type: Connector - Datasheet URL: https://suddendocs.samtec.com/catalog_english/tsw_th.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 01 [pin 01] - 02 [pin 02] - 03 [pin 03] - 04 [pin 04] - 05 [pin 05] - 06 [pin 06] - 07 [pin 07] - 08 [pin 08] - 09 [pin 09] - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] ### LED1 — [SM0805HCL](https://www.flux.ai/adrian95/sm0805hcl~2dj.md) - Role: Power LED - Manufacturer Part Number: SM0805HCL - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Bivar Inc. - Datasheet URL: https://www.bivar.com/parts_content/Datasheets/SM0805HCL.pdf **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [KT-0805Y](https://www.flux.ai/adrian95/kt-0805y~1fn.md) - Manufacturer Name: Hubei KENTO Elec - Role: GPIO2 status LED - LCSC Part Number: C2296 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Manufacturer Part Number: KT-0805Y - Datasheet URL: https://www.lcsc.com/datasheet/C2296.pdf **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [FS8205A](https://www.flux.ai/adrian95/fs8205a.md) - Part Type: Dual N-channel power MOSFET - Symbol Style: parametric-v1 - Manufacturer Part Number: FS8205A - Role: Dual protection MOSFET - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Fortune - Datasheet URL: https://www.snapeda.com/parts/FS8205A/Fortune%20Semiconductor/datasheet/ **Pins:** - D [pin 1] - D [pin 8] - G1 [pin 4] - G2 [pin 5] - S1 [pin 3] - S1 [pin 2] - S2 [pin 6] - S2 [pin 7] ### SW1 — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - Manufacturer Part Number: TS-1088-AR02016 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - LCSC Part Number: C720477 - Manufacturer Name: XUNPU(讯普) - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - JLCPCB Part Class: Extended Part - Part Type: Tactile Switches - Role: Reset button **Pins:** - 1 [pin 1] - 2 [pin 2] ### SW2 — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - LCSC Part Number: C720477 - Manufacturer Name: XUNPU(讯普) - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - Role: Boot button - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - Manufacturer Part Number: TS-1088-AR02016 - Part Type: Tactile Switches - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] - 2 [pin 2] ### U1 — [ESP32-WROOM-32](https://www.flux.ai/vasyl/esp32-wroom-32~siz.md) - Manufacturer Part Number: ESP32-WROOM-32 - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32_datasheet_en.pdf - Part Type: RF module - Manufacturer Name: Espressif Systems - Role: MCU WiFi/BLE **Pins:** - EN [pin 3] - GND [pin 39] - GND [pin 15] - GND [pin 38] - GND [pin 1] - IO0 [pin 25] - IO12 [pin 14] - IO13 [pin 16] - IO14 [pin 13] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 10] - IO26 [pin 11] - IO27 [pin 12] - IO32 [pin 8] - IO33 [pin 9] - IO34 [pin 6] - IO35 [pin 7] - IO4 [pin 26] - IO5 [pin 29] - NC [pin 32] - RXD0/IO3 [pin 34] - SCK/CLK [pin 20] - SCS/CMD [pin 19] - SDI/SD1 [pin 22] - SDO/SD0 [pin 21] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - SHD/SD2 [pin 17] - SWP/SD3 [pin 18] - TXD0/IO1 [pin 35] - VDD [pin 2] ### U2 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33~34.md) - Symbol Style: Parametric - Manufacturer Name: AMS - Role: 3.3V LDO - Role Details: Alimenta ESP32 y lógica; carga estimada 280mA típica, hasta ~550mA pico WiFi; revisar térmica AMS1117. - Datasheet URL: http://www.advanced-monolithic.com/pdf/ds1117.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Part Number: AMS1117-3.3 **Pins:** - GND [pin 1] - TAB(VOUT) [pin 4] - VIN [pin 3] - VOUT [pin 2] ### U3 — [TP4056](https://www.flux.ai/thea-flux-parts/tp4056~fj.md) - Part Type: Battery Charging IC - Compliance: RoHS - Manufacturer Name: TOP POWER ASIC - Datasheet URL: https://www.lcsc.com/datasheet/C16581.pdf - LCSC Part Number: C16581 - Role Details: LiPo charger configured for ~500mA charge current with RPROG=2.4kΩ; CE tied high to USB_5V_PROTECTED so charging is enabled when USB is present. - JLCPCB Part Class: Extended Part - Role: LiPo charger - Note: No 100% fitting 3D model was found. Added most similiar SO-8 Step file with a slight mismatch in the thermal pad size. The footprint is corect. - License: https://www.kicad.org/libraries/license/ - Manufacturer Part Number: TP4056-42-ESOP8 **Pins:** - BAT [pin 5] - CE [pin 8] - CHRG [pin 7] - EP [pin 9] - GND [pin 3] - PROG [pin 2] - STDBY [pin 6] - TEMP [pin 1] - VCC [pin 4] ### U4 — [DW01A](https://www.flux.ai/lcsc/dw01a~3xpq.md) - Manufacturer Name: YONGYUTAI(永裕泰) - Role: LiPo protection controller - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL - LCSC Part Number: C2927799 - Manufacturer Part Number: DW01A - JLCPCB Part Class: Extended Part - Part Type: Battery Management ICs - Symbol Style: parametric-v1 - Datasheet URL: https://www.lcsc.com/datasheet/C2927799.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNRTlhdVFdSQ1lZVjsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D **Pins:** - CSI [pin 2] - NC [pin 4] - OC [pin 3] - OD [pin 1] - VDD [pin 5] - VSS [pin 6] ### U5 — [TPS63031](https://www.flux.ai/jecstronic/tps63031~ag0.md) - Role Details: Salida 5V periféricos; dimensionar entrada para peor caso LiPo 3.0V. - Manufacturer Name: Texas Instruments - License: https://creativecommons.org/licenses/by/4.0/ - Role: 5V buck-boost - Manufacturer Part Number: TPS63031 - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps63031.pdf **Pins:** - EN [pin 6] - EP [pin 11] - FB [pin 10] - GND [pin 9] - L1 [pin 4] - L2 [pin 2] - PGND [pin 3] - PS/SYNC [pin 7] - VIN [pin 5] - VINA [pin 8] - VOUT [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/mwoq8kjh/pcbkj~pb](https://www.flux.ai/mwoq8kjh/pcbkj~pb).* --- *Generated from [https://www.flux.ai/mwoq8kjh/pcbkj~pb](https://www.flux.ai/mwoq8kjh/pcbkj~pb)*