# THRUSTER ARC CORE V1 ## Description Circular ESP32-C3 wearable smart-device PCB with Li-ion charging, USB-C programming, Qi/NFC connectors, and a 16-LED RGB ring. ## Project Details - **Owner:** ajayte - **Created:** 7/11/2026 - **Last Updated:** 7/11/2026 - **Visibility:** Public - **Human Interface:** Capacitive Touch - **Connectivity:** Bluetooth LE - **Operating Voltage:** 3.3V - **Domain:** Wearable - **Implementation Details:** 58mm circular PCB with 32mm center hole - **Power Requirements:** Battery ## Key Components ### D1 — [USBLC6-2P6](https://www.flux.ai/lcsc/usblc6-2p6~ubvn.md) - Manufacturer Part Number: USBLC6-2P6 - LCSC Part Number: C2827693 - Part Type: ESD Protection Devices - Role: ESD Protection - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: TECH PUBLIC(台舟) - JLCPCB Part Class: Extended Part - Role Details: USB 2.0 D+/D- ESD protection near USB-C connector - Datasheet URL: https://www.lcsc.com/datasheet/C2827693.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNeR1VeUFNeTlhdXjsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - Package or Case Code: SOT-666-6_L1.6-W1.2-P0.50-LS1.6-BL - Symbol Style: parametric-v1 **Pins:** - GND [pin 2] - I/O1 [pin 6] - I/O1 [pin 1] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### D2 — [B5819WS](https://www.flux.ai/lcsc/b5819ws~53q5.md) - Role Details: Schottky isolation from USB-C VBUS to charger input; prevents Qi backfeed into USB - Manufacturer Part Number: B5819WS - Role: Input ORing - Max Reverse Voltage: 40V - Forward Voltage: 0.45V to 0.50V - Diode Type: Schottky Diode - Manufacturer Name: SHIKUES(时科) - LCSC Part Number: C122855 - Part Type: Schottky Barrier Diodes (SBD) - Package or Case Code: SOD-323_L1.8-W1.3-LS2.5-RD - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819WS_C122855.html - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809211240_Shikues-B5819WS_C122855.pdf **Pins:** - A [pin 2] - K [pin 1] ### D3 — [B5819WS](https://www.flux.ai/lcsc/b5819ws~53q5.md) - Part Type: Schottky Barrier Diodes (SBD) - LCSC Part Number: C122855 - Manufacturer Name: SHIKUES(时科) - Role Details: Schottky isolation from Qi receiver 5V to charger input; prevents USB backfeed into Qi receiver - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1809211240_Shikues-B5819WS_C122855.pdf - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Schottky-Barrier-Diodes-SBD_B5819WS_C122855.html - Package or Case Code: SOD-323_L1.8-W1.3-LS2.5-RD - Manufacturer Part Number: B5819WS - Role: Input ORing - Max Reverse Voltage: 40V - Diode Type: Schottky Diode - Forward Voltage: 0.45V to 0.50V **Pins:** - A [pin 2] - K [pin 1] ### D4 — [APTR3216SURCK](https://www.flux.ai/adrian95/aptr3216surck.md) - Role: Status LED - Manufacturer Part Number: APTR3216SURCK - Part Type: LED - Package or Case Code: SMD - Manufacturer Name: Kingbright - Datasheet URL: https://www.kingbrightusa.com/images/catalog/SPEC/APTR3216SURCK.pdf - Role Details: GPIO-driven status indicator with current-limit resistor - Mount: Surface Mount **Pins:** - ~ [pin 1] - ~ [pin 2] ### J1 — [USB4215-03-A](https://www.flux.ai/adrian95/usb4215-03-a~kg3.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: USB C - Package or Case Code: GCT_USB4215-03-A_REVA - Manufacturer Part Number: USB4215-03-A - Symbol Style: parametric-v1 - Manufacturer Name: GCT - Role: USB-C Connector - Role Details: USB 2.0 device/sink port with CC pull-downs and D+/D- to ESP32-C3 - Datasheet URL: https://gct.co/files/specs/usb4215-spec.pdf **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 — [S2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/adrian95/s2b-ph-sm4-tblfsn~b96.md) - Part Type: Connector - Role: Battery Connector - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: 1S 3.7V 500mAh Li-ion/LiPo battery input connector - Manufacturer Name: JST Sales America Inc. - Manufacturer Part Number: S2B-PH-SM4-TB(LF)(SN) **Pins:** - P1 [pin 1] - P2 [pin 2] ### J3 — [S2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/adrian95/s2b-ph-sm4-tblfsn~b96.md) - Part Type: Connector - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - Role: Qi Receiver Connector - Role Details: External Qi receiver 5V/GND input to charger through ORing diode - Manufacturer Part Number: S2B-PH-SM4-TB(LF)(SN) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: JST Sales America Inc. **Pins:** - P1 [pin 1] - P2 [pin 2] ### J4 — [N.FL-R-SMT-1(01)](https://www.flux.ai/lcsc/npfl-r-smt-101~nd20.md) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: N.FL-R-SMT-1(01) - LCSC Part Number: C434818 - Role Details: Connector-only NFC antenna interface; matching/IC use is open pending NFC subsystem definition - Package or Case Code: ANT-SMD_NFL-R-SMT-1 - Part Type: RF Connectors / Coaxial Connectors - Manufacturer Name: HRS(广濑) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_HRS-Hirose-N-FL-R-SMT-1-01_C434818.pdf - Role: NFC Antenna Connector - Product Info Url: https://lcsc.com/product-detail/RF-Connectors-Coaxial-Connectors_Hirose-HRS-N-FL-R-SMT-1-01_C434818.html **Pins:** - GND [pin 1] - GND [pin 4] - GND [pin 3] - SIG [pin 2] ### LED1 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Part Type: LED - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Role: Addressable RGB LED - Manufacturer Name: OPSCO Optoelectronics - Manufacturer Part Number: SK6812MINI-E - Symbol Style: parametric-v1 **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED10 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Role: Addressable RGB LED - Part Type: LED - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812MINI-E - Manufacturer Name: OPSCO Optoelectronics **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED11 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Role: Addressable RGB LED - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Part Type: LED - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - Manufacturer Name: OPSCO Optoelectronics - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812MINI-E **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED12 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Part Type: LED - Role: Addressable RGB LED - Manufacturer Name: OPSCO Optoelectronics - Manufacturer Part Number: SK6812MINI-E - Symbol Style: parametric-v1 **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED13 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Part Type: LED - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - Manufacturer Name: OPSCO Optoelectronics - Manufacturer Part Number: SK6812MINI-E - Symbol Style: parametric-v1 - Role: Addressable RGB LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED14 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Part Type: LED - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: Addressable RGB LED - Manufacturer Name: OPSCO Optoelectronics - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812MINI-E **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED15 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812MINI-E - Manufacturer Name: OPSCO Optoelectronics - Role: Addressable RGB LED - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED16 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Manufacturer Part Number: SK6812MINI-E - Symbol Style: parametric-v1 - Manufacturer Name: OPSCO Optoelectronics - Role: Addressable RGB LED - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED2 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Part Number: SK6812MINI-E - Symbol Style: parametric-v1 - Manufacturer Name: OPSCO Optoelectronics - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Role: Addressable RGB LED - Part Type: LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED3 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Symbol Style: parametric-v1 - Role: Addressable RGB LED - Manufacturer Part Number: SK6812MINI-E - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - Part Type: LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED4 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812MINI-E - Manufacturer Name: OPSCO Optoelectronics - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Role: Addressable RGB LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED5 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Role: Addressable RGB LED - Manufacturer Part Number: SK6812MINI-E - Symbol Style: parametric-v1 - Manufacturer Name: OPSCO Optoelectronics - Part Type: LED - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED6 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Part Type: LED - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: Addressable RGB LED - Manufacturer Name: OPSCO Optoelectronics - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812MINI-E **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED7 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Part Type: LED - Role: Addressable RGB LED - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: OPSCO Optoelectronics - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812MINI-E - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED8 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Manufacturer Name: OPSCO Optoelectronics - Role: Addressable RGB LED - Symbol Style: parametric-v1 - Manufacturer Part Number: SK6812MINI-E - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - Part Type: LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### LED9 — [SK6812MINI-E](https://www.flux.ai/vasy_skral/sk6812mini-e~vk9.md) - Part Type: LED - Role: Addressable RGB LED - Datasheet URL: https://cdn-shop.adafruit.com/product-files/4960/4960_SK6812MINI-E_REV02_EN.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: One of 16 ring LEDs; powered from switched protected VBAT with firmware current limit - Manufacturer Name: OPSCO Optoelectronics - Manufacturer Part Number: SK6812MINI-E - Symbol Style: parametric-v1 **Pins:** - DIN [pin 4] - DOUT [pin 2] - GND [pin 3] - VDD [pin 1] ### Q1 — [FS8205A](https://www.flux.ai/lcsc/fs8205a~r2vk.md) - Manufacturer Name: TECH PUBLIC(台舟) - Role Details: Back-to-back dual MOSFET paired with DW01A for protected battery rail - Role: Battery Protection FET - JLCPCB Part Class: Extended Part - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/7158/5272_FS8205A.pdf - LCSC Part Number: C2830320 - Part Type: MOSFETs - Manufacturer Part Number: FS8205A **Pins:** - D1/D2 [pin 5] - D1/D2 [pin 2] - G1 [pin 6] - G2 [pin 4] - S1 [pin 1] - S2 [pin 3] ### SW1 — [TS24CA](https://www.flux.ai/vasy_skral/ts24ca~ma.md) - Manufacturer Name: SHOU HAN - Role: Reset Button - Role Details: Momentary switch pulling ESP32-C3 EN low for reset - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_SHOU-HAN-TS24CA_C393942.pdf - Part Type: Switch - Manufacturer Part Number: TS24CA **Pins:** - P1 [pin 1] - P2 [pin 2] ### SW2 — [TS24CA](https://www.flux.ai/vasy_skral/ts24ca~ma.md) - Manufacturer Name: SHOU HAN - Role Details: Momentary switch pulling ESP32-C3 GPIO9 low for boot/download mode - Role: Boot Button - Manufacturer Part Number: TS24CA - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_SHOU-HAN-TS24CA_C393942.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### TP1 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role: Test Pad - Testpoint Size: 0.5 - Role Details: Pogo/debug test pad for rails and critical signals - Part Type: Test Point **Pins:** - P1 [pin 1] ### TP10 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 - Role: Test Pad - Role Details: Pogo/debug test pad for rails and critical signals - Part Type: Test Point **Pins:** - P1 [pin 1] ### TP2 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role Details: Pogo/debug test pad for rails and critical signals - Part Type: Test Point - Role: Test Pad - Testpoint Size: 0.5 **Pins:** - P1 [pin 1] ### TP3 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role Details: Pogo/debug test pad for rails and critical signals - Testpoint Size: 0.5 - Role: Test Pad - Part Type: Test Point **Pins:** - P1 [pin 1] ### TP4 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 - Role Details: Pogo/debug test pad for rails and critical signals - Role: Test Pad - Part Type: Test Point **Pins:** - P1 [pin 1] ### TP5 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Testpoint Size: 0.5 - Role: Test Pad - Role Details: Pogo/debug test pad for rails and critical signals - Part Type: Test Point **Pins:** - P1 [pin 1] ### TP6 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role Details: Pogo/debug test pad for rails and critical signals - Role: Test Pad - Part Type: Test Point - Testpoint Size: 0.5 **Pins:** - P1 [pin 1] ### TP7 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role: Test Pad - Role Details: Pogo/debug test pad for rails and critical signals - Testpoint Size: 0.5 - Part Type: Test Point **Pins:** - P1 [pin 1] ### TP8 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role Details: Pogo/debug test pad for rails and critical signals - Part Type: Test Point - Testpoint Size: 0.5 - Role: Test Pad **Pins:** - P1 [pin 1] ### TP9 — [Generic Testpoint](https://www.flux.ai/jharwinbarrozo/generic-testpoint~esx.md) - Role: Test Pad - Part Type: Test Point - Testpoint Size: 0.5 - Role Details: Pogo/debug test pad for rails and critical signals **Pins:** - P1 [pin 1] ### U1 — [ESP32-C3-WROOM-02-N4](https://www.flux.ai/lcsc/esp32-c3-wroom-02-n4~877i.md) - Package or Case Code: BULETM-SMD_ESPRESSIF_ESP32-C3-WROOM-02-N4-4MB - Voltage Supply: 3V ~ 3.6V - Role Details: Main ESP32-C3-WROOM-02 controller; USB programming, BLE, LED data, touch input - Frequency: 2.4GHz - JLCPCB Part Class: Extended Part - Role: Controller - Part Type: RF Transceiver ICs - Operating Temperature: -40°C ~ 85°C (TA) - Manufacturer Name: ESPRESSIF(乐鑫) - Manufacturer Part Number: ESP32-C3-WROOM-02-N4 - Datasheet URL: https://documentation.espressif.com/esp32-c3-wroom-02_datasheet_en.pdf - Symbol Style: parametric-v1 - LCSC Part Number: C2934560 **Pins:** - 3V3 [pin 1] - EN [pin 2] - EP [pin 19] - EP [pin 20] - EP1 [pin 21] - EP3 [pin 22] - EP4 [pin 23] - EP5 [pin 24] - EP6 [pin 25] - EP7 [pin 26] - EP8 [pin 27] - GND [pin 9] - IO0 [pin 18] - IO1 [pin 17] - IO10 [pin 10] - IO18 [pin 13] - IO19 [pin 14] - IO2 [pin 16] - IO3 [pin 15] - IO4 [pin 3] - IO5 [pin 4] - IO6 [pin 5] - IO7 [pin 6] - IO8 [pin 7] - IO9 [pin 8] - RXD [pin 11] - TXD [pin 12] ### U2 — [TP4056](https://www.flux.ai/thea-flux-parts/tp4056~fj.md) - JLCPCB Part Class: Extended Part - Manufacturer Part Number: TP4056-42-ESOP8 - Part Type: Battery Charging IC - Datasheet URL: https://www.lcsc.com/datasheet/C16581.pdf - Compliance: RoHS - 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. - Role Details: TP4056-class 1S Li-ion charger; programmed conservatively for 500mAh cell - Manufacturer Name: TOP POWER ASIC - License: https://www.kicad.org/libraries/license/ - Role: Battery Charger - LCSC Part Number: C16581 **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] ### U3 — [DW01A](https://www.flux.ai/kicad-part-library/dw01a~5d.md) - Package or Case Code: SOT-23-6 - Manufacturer Name: Texas Instruments Inc. - Manufacturer Part Number: DW01A - Role Details: Overcharge, overdischarge, and overcurrent protection controller for 1S battery - Role: Battery Protection - Datasheet URL: https://hmsemi.com/downfile/DW01A.PDF **Pins:** - CS [pin 2] - GND [pin 6] - OC [pin 3] - OD [pin 1] - TD [pin 4] - VCC [pin 5] ### U4 — [AP2112K-3.3TRG1](https://www.flux.ai/adrian95/ap2112k-33trg1~zlq.md) - Manufacturer Part Number: AP2112K-3.3TRG1 - Manufacturer Name: Diodes Incorporated - Part Type: Integrated Circuit - Role: 3.3V Regulator - Role Details: 600mA LDO for ESP32-C3, status LED, touch/debug logic; LED ring uses protected VBAT - Symbol Style: parametric-v1 - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP2112.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - EN [pin 3] - GND [pin 2] - NC [pin 4] - VIN [pin 1] - VOUT [pin 5] ### U5 — [TPS22918DBVT](https://www.flux.ai/lcsc/tps22918dbvt~px0b.md) - Manufacturer Name: TI(德州仪器) - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BR - Part Type: Power Distribution Switches - Role: Load Switch - Role Details: Disconnects LED ring from protected VBAT to reduce standby drain and manage inrush - Manufacturer Part Number: TPS22918DBVT - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps22918.pdf?HQS=dis-dk-null-digikeymode-dsf-pf-null-wwe&ts=1780425543228&ref_url=https%253A%252F%252Fwww.ti.com%252Fgeneral%252Fdocs%252Fsuppproductinfo.tsp%253FdistId%253D10%2526gotoUrl%253Dhttps%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Ftps22918 - JLCPCB Part Class: Extended Part - Symbol Style: parametric-v1 - LCSC Part Number: C2680345 **Pins:** - CT [pin 4] - GND [pin 2] - ON [pin 3] - QOD [pin 5] - VIN [pin 1] - VOUT [pin 6] ### U6 — [AT42QT1012-TSHR](https://www.flux.ai/adrian95/at42qt1012-tshr~jh.md) - Role Details: Capacitive-touch power/wake button controller; output to ESP32-C3 GPIO - Manufacturer Part Number: AT42QT1012-TSHR - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Role: Sensing (Shunt) - Manufacturer Name: Microchip Technology - Datasheet URL: http://ww1.microchip.com/downloads/en/DeviceDoc/40001948A.pdf **Pins:** - OUT [pin 1] - SNS [pin 4] - SNSK [pin 3] - TIME [pin 6] - VDD [pin 5] - VSS [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/ajayte/thruster-arc-core-v1~g3](https://www.flux.ai/ajayte/thruster-arc-core-v1~g3).* --- *Generated from [https://www.flux.ai/ajayte/thruster-arc-core-v1~g3](https://www.flux.ai/ajayte/thruster-arc-core-v1~g3)*