# ESP32-C3 LED Tube Controller ## Description Two-board ESP32-C3 BLE controller for a 2S-powered, USB-C PD-charged 100-pixel 5 V LED tube with a six-button remote board. ## Project Details - **Owner:** jacksonstump - **Created:** 8/10/2026 - **Last Updated:** 8/10/2026 - **Visibility:** Public ## Key Components ### F1 — [0452005.MRL](https://www.flux.ai/silicon-yard/0452005pmrl.md) - Manufacturer Name: Littelfuse Inc. - Manufacturer Part Number: 0452005.MRL - Datasheet URL: https://www.littelfuse.com/assetdocs/littelfuse-fuse-452-454-datasheet?assetguid=8c87aa93-80a7-4ea8-8749-a19ba03901c2 - Part Type: Circuit Protection Devices - Functional Group: Main Board - Battery Protection,Main Board - LED Interface **Pins:** - 1 [pin 1] - 2 [pin 2] ### F2 — [0452005.MRL](https://www.flux.ai/silicon-yard/0452005pmrl.md) - Manufacturer Part Number: 0452005.MRL - Datasheet URL: https://www.littelfuse.com/assetdocs/littelfuse-fuse-452-454-datasheet?assetguid=8c87aa93-80a7-4ea8-8749-a19ba03901c2 - Manufacturer Name: Littelfuse Inc. - Functional Group: Main Board - Battery Protection,Main Board - LED Interface - Part Type: Circuit Protection Devices **Pins:** - 1 [pin 1] - 2 [pin 2] ### J1 — [USB4215-03-A](https://www.flux.ai/adrian95/usb4215-03-a~kg3.md) - Role Details: USB-C receptacle for 9 V PD supply - Functional Group: Main Board - USB-C PD - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: USB4215-03-A - Part Type: USB C - Role: Power Input - Datasheet URL: https://gct.co/files/specs/usb4215-spec.pdf - Symbol Style: parametric-v1 - Manufacturer Name: GCT - 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 — [104128-1](https://www.flux.ai/adrian95/104128-1.md) - Symbol Style: parametric-v1 - Role: Inter-board Connector - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/6f988cb893df60fb62725688be850358c6aa512392ce275d2aa79a50bb1f2a69.pdf - Role Details: Six button signals plus ground returns/spares - Manufacturer Name: Connector Header Through Hole 10 position 0.100" (2.54mm) - Manufacturer Part Number: 104128-1 - Mount: Solder - Functional Group: Button Cable Interface - Part Type: Connectors - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 10 [pin 10] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J3 — [XY301V-A-5.0-3P](https://www.flux.ai/jharwinbarrozo/xy301v-a-50-3p~ox.md) - Manufacturer Name: Ningbo Xinlaiya Elec. - Manufacturer Part Number: XY301V-A-5.0-3P - Functional Group: Main Board - LED Interface - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2411121455_Ningbo-Xinlaiya-Elec--XY301V-A-5-0-3P_C557652.pdf **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] - PIN3 [pin 3] ### J4 — [104128-1](https://www.flux.ai/adrian95/104128-1.md) - Mount: Solder - Manufacturer Part Number: 104128-1 - License: https://creativecommons.org/licenses/by/4.0/ - Functional Group: Button Cable Interface - Part Type: Connectors - Symbol Style: parametric-v1 - Role: Inter-board Connector - Role Details: Six button signals plus ground returns/spares - Manufacturer Name: Connector Header Through Hole 10 position 0.100" (2.54mm) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/6f988cb893df60fb62725688be850358c6aa512392ce275d2aa79a50bb1f2a69.pdf **Pins:** - 1 [pin 1] - 10 [pin 10] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] - 7 [pin 7] - 8 [pin 8] - 9 [pin 9] ### J5 — [AVR-ISP-6](https://www.flux.ai/vasy_skral/avr-isp-6~ry.md) - Datasheet URL: https://www.we-online.com/catalog/datasheet/61200621621.pdf - Symbol Style: parametric-v1 - Part Type: Connector - Exclude from BOM: false - Manufacturer Part Number: 61200621621 - Functional Group: Main Board - MCU - Manufacturer Name: Würth Elektronik **Pins:** - GND [pin 6] - MISO [pin 1] - MOSI [pin 4] - RST [pin 5] - SCK [pin 3] - VCC [pin 2] ### Q1 — [DMN3008SFG](https://www.flux.ai/kicad-part-library/dmn3008sfg~8i8.md) - Functional Group: Main Board - Battery Protection - Manufacturer Part Number: DMN3008SFG - Datasheet URL: https://www.diodes.com/assets/Datasheets/DMN3008SFG.pdf - Package or Case Code: Diodes_PowerDI3333-8 **Pins:** - D [pin 5] - G [pin 4] - S [pin 2] - S [pin 3] - S [pin 1] ### Q2 — [DMN3008SFG](https://www.flux.ai/kicad-part-library/dmn3008sfg~8i8.md) - Manufacturer Part Number: DMN3008SFG - Functional Group: Main Board - Battery Protection - Datasheet URL: https://www.diodes.com/assets/Datasheets/DMN3008SFG.pdf - Package or Case Code: Diodes_PowerDI3333-8 **Pins:** - D [pin 5] - G [pin 4] - S [pin 2] - S [pin 3] - S [pin 1] ### RT1 — [NTCG103JF103FT1](https://www.flux.ai/lcsc/ntcg103jf103ft1~2dn8.md) - Package or Case Code: R0402 - Product Info Url: https://lcsc.com/product-detail/Others_TDK_NTCG103JF103FT1_TDK-NTCG103JF103FT1_C209959.html - LCSC Part Number: C209959 - Manufacturer Part Number: NTCG103JF103FT1 - Part Type: NTC Thermistors - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_TDK-NTCG103JF103FT1_C209959.pdf - Manufacturer Name: TDK - JLCPCB Part Class: Extended Part - Functional Group: Main Board - 2S Charger **Pins:** - 1 [pin 1] - 2 [pin 2] ### S1 — [FSM1LP](https://www.flux.ai/adrian95/fsm1lp.md) - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Catalog+Section%7F1308111-1_SWITCHES_CORE_PROGRAM_CATALOG%7F0308%7Fpdf%7FEnglish%7FENG_CS_1308111-1_SWITCHES_CORE_PROGRAM_CATALOG_0308.pdf%7F1-1437565-6 - Manufacturer Part Number: FSM1LP - Role: User Input - Functional Group: Button Board - Six Buttons - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Electromechanical Components - Manufacturer Name: TE Connectivity - Role Details: Active-low momentary button to common ground; firmware debounce **Pins:** - COM_1 [pin 1] - COM_2 [pin 2] - GND [pin 5] - NO_1 [pin 3] - NO_2 [pin 4] ### S2 — [FSM1LP](https://www.flux.ai/adrian95/fsm1lp.md) - Role Details: Active-low momentary button to common ground; firmware debounce - Role: User Input - Part Type: Electromechanical Components - Manufacturer Name: TE Connectivity - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Catalog+Section%7F1308111-1_SWITCHES_CORE_PROGRAM_CATALOG%7F0308%7Fpdf%7FEnglish%7FENG_CS_1308111-1_SWITCHES_CORE_PROGRAM_CATALOG_0308.pdf%7F1-1437565-6 - Functional Group: Button Board - Six Buttons - Manufacturer Part Number: FSM1LP - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - COM_1 [pin 1] - COM_2 [pin 2] - GND [pin 5] - NO_1 [pin 3] - NO_2 [pin 4] ### S3 — [FSM1LP](https://www.flux.ai/adrian95/fsm1lp.md) - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Catalog+Section%7F1308111-1_SWITCHES_CORE_PROGRAM_CATALOG%7F0308%7Fpdf%7FEnglish%7FENG_CS_1308111-1_SWITCHES_CORE_PROGRAM_CATALOG_0308.pdf%7F1-1437565-6 - Role: User Input - License: https://creativecommons.org/licenses/by/4.0/ - Functional Group: Button Board - Six Buttons - Manufacturer Part Number: FSM1LP - Role Details: Active-low momentary button to common ground; firmware debounce - Part Type: Electromechanical Components - Manufacturer Name: TE Connectivity **Pins:** - COM_1 [pin 1] - COM_2 [pin 2] - GND [pin 5] - NO_1 [pin 3] - NO_2 [pin 4] ### S4 — [FSM1LP](https://www.flux.ai/adrian95/fsm1lp.md) - Role Details: Active-low momentary button to common ground; firmware debounce - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: FSM1LP - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Catalog+Section%7F1308111-1_SWITCHES_CORE_PROGRAM_CATALOG%7F0308%7Fpdf%7FEnglish%7FENG_CS_1308111-1_SWITCHES_CORE_PROGRAM_CATALOG_0308.pdf%7F1-1437565-6 - Role: User Input - Manufacturer Name: TE Connectivity - Part Type: Electromechanical Components - Functional Group: Button Board - Six Buttons **Pins:** - COM_1 [pin 1] - COM_2 [pin 2] - GND [pin 5] - NO_1 [pin 3] - NO_2 [pin 4] ### S5 — [FSM1LP](https://www.flux.ai/adrian95/fsm1lp.md) - Role Details: Active-low momentary button to common ground; firmware debounce - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Catalog+Section%7F1308111-1_SWITCHES_CORE_PROGRAM_CATALOG%7F0308%7Fpdf%7FEnglish%7FENG_CS_1308111-1_SWITCHES_CORE_PROGRAM_CATALOG_0308.pdf%7F1-1437565-6 - License: https://creativecommons.org/licenses/by/4.0/ - Role: User Input - Manufacturer Part Number: FSM1LP - Functional Group: Button Board - Six Buttons - Manufacturer Name: TE Connectivity - Part Type: Electromechanical Components **Pins:** - COM_1 [pin 1] - COM_2 [pin 2] - GND [pin 5] - NO_1 [pin 3] - NO_2 [pin 4] ### SW1 — [FSM1LP](https://www.flux.ai/adrian95/fsm1lp.md) - Part Type: Electromechanical Components - Manufacturer Name: TE Connectivity - Functional Group: Button Board - Six Buttons - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Catalog+Section%7F1308111-1_SWITCHES_CORE_PROGRAM_CATALOG%7F0308%7Fpdf%7FEnglish%7FENG_CS_1308111-1_SWITCHES_CORE_PROGRAM_CATALOG_0308.pdf%7F1-1437565-6 - Role Details: Active-low momentary button to common ground; firmware debounce - Role: User Input - Manufacturer Part Number: FSM1LP - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - COM_1 [pin 1] - COM_2 [pin 2] - GND [pin 5] - NO_1 [pin 3] - NO_2 [pin 4] ### U1 — [ESP32-C3-WROOM-02-N4](https://www.flux.ai/adrian95/esp32-c3-wroom-02-n4~gwb.md) - Role Details: BLE-only ESP32-C3; Wi-Fi disabled; antenna keepout required - Manufacturer Name: Espressif Systems - Manufacturer Part Number: ESP32-C3-WROOM-02-N4 - Role: Controller - Symbol Style: parametric-v1 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-c3-wroom-02_datasheet_en.pdf - Functional Group: Main Board - MCU - Part Type: Module **Pins:** - 3V3 [pin 1] - EN [pin 2] - GND_1 [pin 9] - GND_10 [pin 27] - GND_2 [pin 19] - GND_3 [pin 20] - GND_4 [pin 21] - GND_5 [pin 22] - GND_6 [pin 23] - GND_7 [pin 24] - GND_8 [pin 25] - GND_9 [pin 26] - 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 — [STUSB4500QTR](https://www.flux.ai/lcsc/stusb4500qtr~85y0.md) - Manufacturer Name: ST(意法半导体) - Datasheet URL: https://www.lcsc.com/datasheet/C2678061.pdf?spm=wm.sxq.inf.ggs&lcsc_vid=FlkNBAIDRQULVABfFAVZBgZVFVZYBgZSQ1NeBVIFQlExVlNeR1VbU1BeQ1FYXzsOAxUeFF5JWBYZEEoKFBINSQcJGk4dAgUUFAk%3D - LCSC Part Number: C2678061 - Symbol Style: parametric-v1 - Part Type: Interface - Controllers - JLCPCB Part Class: Extended Part - Package or Case Code: QFN-24_L4.0-W4.0-P0.50-BL-EP2.8 - Manufacturer Part Number: STUSB4500QTR - Role Details: Autonomous 9 V PDO negotiation; USB insertion contributes to hardware inhibit - Role: Power Delivery Controller - License: https://creativecommons.org/licenses/by/4.0/ - Functional Group: Main Board - USB-C PD **Pins:** - A_B_SIDE [pin 17] - ADDR0 [pin 12] - ADDR1 [pin 13] - ALERT [pin 19] - ATTACH [pin 11] - CC1 [pin 2] - CC1DB [pin 1] - CC2 [pin 4] - CC2DB [pin 5] - DISCH [pin 9] - EP [pin 25] - GND [pin 10] - GPIO [pin 15] - NC [pin 3] - POWER_OK2 [pin 20] - POWER_OK3 [pin 14] - RESET [pin 6] - SCL [pin 7] - SDA [pin 8] - VBUS_EN_SNK [pin 16] - VBUS_VS_DISCH [pin 18] - VDD [pin 24] - VREG_1V2 [pin 21] - VREG_2V7 [pin 23] - VSYS [pin 22] ### U3 — [BQ25798RQMR](https://www.flux.ai/jecstronic/bq25798rqmr~ei8.md) - Manufacturer Name: Texas Instruments Inc. - Datasheet URL: https://www.ti.com/lit/ds/symlink/bq25798.pdf - Functional Group: Main Board - 2S Charger - Role: Battery Charger - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: 2S, 8.4 V regulation, 1 A conservative charge current; charger status used for inhibit - Manufacturer Part Number: BQ25798RQMR - Part Type: Integrated Circuit **Pins:** - ~CE [pin 13] - ~INT [pin 21] - ~QON [pin 12] - ACDRV1 [pin 11] - ACDRV2 [pin 10] - BAT_1 [pin 22] - BAT_2 [pin 23] - BATP [pin 18] - BTST1 [pin 4] - BTST2 [pin 19] - D- [pin 7] - D+ [pin 6] - GND [pin 27] - ILIM_HIZ [pin 17] - PMID [pin 29] - PROG [pin 20] - REGN [pin 5] - SCL [pin 14] - SDA [pin 15] - SDRV_1 [pin 24] - SDRV_2 [pin 33] - STAT_1 [pin 1] - STAT_2 [pin 30] - SW1 [pin 28] - SW2 [pin 26] - SYS [pin 25] - TS_1 [pin 16] - TS_2 [pin 32] - VAC1_1 [pin 9] - VAC1_2 [pin 31] - VAC2 [pin 8] - VBUS_1 [pin 2] - VBUS_2 [pin 3] ### U4 — [BQ29209DRBR](https://www.flux.ai/lcsc/bq29209drbr~kb1i.md) - JLCPCB Part Class: Extended Part - LCSC Part Number: C139352 - Product Info Url: https://lcsc.com/product-detail/PMIC-Battery-Management_TI_BQ29209DRBR_BQ29209DRBR_C139352.html - Manufacturer Part Number: BQ29209DRBR - Role Details: 2S cell monitoring and balancing; independent discharge overcurrent protection remains to be confirmed - Role: Battery Protection - Package or Case Code: SON-8_L3.0-W3.0-P0.65-LS3.0-BL-EP - Functional Group: Main Board - Battery Protection - Symbol Style: parametric-v1 - Manufacturer Name: TI(德州仪器) - Part Type: Battery Management ICs - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410121542_Texas-Instruments-BQ29209DRBR_C139352.pdf **Pins:** - ~{CB_EN} [pin 6] - CD [pin 4] - EP [pin 9] - GND [pin 5] - OUT [pin 8] - VC1 [pin 2] - VC1_CB [pin 3] - VC2 [pin 1] - VDD [pin 7] ### U5 — [MP8715DN-LF-Z](https://www.flux.ai/adrian95/mp8715dn-lf-z~i0o.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: LED Power Regulator - Manufacturer Part Number: MP8715DN-LF-Z - Role Details: 20 W output cap; 3.83 A worst-case pack budget at 6.0 V - Datasheet URL: https://www.mouser.com/datasheet/2/277/MP8715-2946402.pdf - Part Type: Integrated Circuit - Functional Group: Main Board - 5V LED Power - Manufacturer Name: Monolithic Power Systems Inc. **Pins:** - BST [pin 3] - EN/SYNC [pin 4] - FB [pin 5] - GND [pin 9] - POK [pin 6] - SS [pin 8] - SW [pin 2] - VCC [pin 7] - VIN [pin 1] ### U6 — [LMR33630BDDAR](https://www.flux.ai/lcsc/lmr33630bddar~o51d.md) - Part Type: DC-DC Converters - Role Details: 3.3 V rail with margin for ESP32-C3 BLE peaks - Manufacturer Part Number: LMR33630BDDAR - Datasheet URL: https://www.ti.com/lit/ds/symlink/lmr33630.pdf - LCSC Part Number: C544370 - Role: Logic Power Regulator - Manufacturer Name: TI(德州仪器) - Functional Group: Main Board - 3V3 Power - JLCPCB Part Class: Extended Part - Package or Case Code: SOIC-8_L4.9-W3.9-P1.27-LS6.0-BL-EP2.8-1 **Pins:** - BOOT [pin 7] - EN [pin 3] - EP [pin 9] - FB [pin 5] - PG [pin 4] - PGND [pin 1] - SW [pin 8] - VCC [pin 6] - VIN [pin 2] ### U7 — [SN74AHCT1G125DBVR](https://www.flux.ai/silicon-yard/sn74ahct1g125dbvr.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/user-uploaded/61006149da51e453ca23519199402c034402c5e76aab72a46fb45bdbde3e5932.pdf - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Role: Level Shifter - Functional Group: Main Board - LED Interface - Symbol Style: parametric-v1 - Package or Case Code: SOT-23-5 - Role Details: Translate ESP32 3.3 V data to 5 V LED logic - Manufacturer Part Number: SN74AHCT1G125DBVR **Pins:** - ~OE [pin 1] - A [pin 2] - GND [pin 3] - VCC [pin 5] - Y [pin 4] ### U8 — [S-8252AAK-M6T1U](https://www.flux.ai/lcsc/s-8252aak-m6t1u~ixx6.md) - Product Info Url: https://lcsc.com/product-detail/PMIC-Battery-Management_ABLIC-S-8252AAK-M6T1U_C468217.html - LCSC Part Number: C468217 - Manufacturer Name: ABLIC(艾普凌科) - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_ABLIC-S-8252AAK-M6T1U_C468217.pdf - Functional Group: Main Board - Battery Protection - Package or Case Code: SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL - Part Type: Battery Management ICs - Manufacturer Part Number: S-8252AAK-M6T1U **Pins:** - CO [pin 2] - DO [pin 1] - VC [pin 4] - VDD [pin 5] - VM [pin 3] - VSS [pin 6] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jacksonstump/esp32-c3-led-tube-controller~1b](https://www.flux.ai/jacksonstump/esp32-c3-led-tube-controller~1b).* --- *Generated from [https://www.flux.ai/jacksonstump/esp32-c3-led-tube-controller~1b](https://www.flux.ai/jacksonstump/esp32-c3-led-tube-controller~1b)*