# Carousel Horse LED Controller ## Description Production-ready ESP32-DEVKITC-32UE festival carousel horse LED controller schematic with organized Power, ESP32 + Level Shifter + LEDs, Inputs, and DMX + OLED blocks. ## Project Details - **Owner:** jm16892 - **Created:** 5/11/2026 - **Last Updated:** 5/11/2026 - **Visibility:** Public ## Key Components ### D1 — [MBR735](https://www.flux.ai/kicad-part-library/mbr735~1to.md) - Datasheet URL: http://www.onsemi.com/pub_link/Collateral/MBR735-D.PDF - Package or Case Code: TO-220-2_Vertical - Manufacturer Part Number: MBR735 - Manufacturer Name: Texas Instruments Inc. **Pins:** - A [pin 2] - K [pin 1] ### D2 — [MBR735](https://www.flux.ai/kicad-part-library/mbr735~1to.md) - Datasheet URL: http://www.onsemi.com/pub_link/Collateral/MBR735-D.PDF - Package or Case Code: TO-220-2_Vertical - Manufacturer Part Number: MBR735 - Manufacturer Name: Texas Instruments Inc. **Pins:** - A [pin 2] - K [pin 1] ### D3 — [P6KE15A-TB](https://www.flux.ai/lcsc/p6ke15a-tb~5rpk.md) - Package or Case Code: DO-15_BD3.1-L6.7-P10.70-D0.8-RD - Manufacturer Name: Littelfuse(美国力特) - Manufacturer Part Number: P6KE15A-TB - LCSC Part Number: C1666028 - Part Type: TVS **Pins:** - A [pin 2] - C [pin 1] ### F1 — [15-2](https://www.flux.ai/lcsc/15-2~a4vl.md) - Role: Overcurrent Protection - LCSC Part Number: C720065 - Product Info Url: https://lcsc.com/product-detail/PTC-Resettable-Fuses_Littelfuse-SMD300F-15-2_C720065.html - Manufacturer Name: Littelfuse(美国力特) - Part Type: Resettable Fuses - Package or Case Code: FUSE-SMD_L7.4-W5.1-1 - Role Details: 15A-class resettable PPTC on OR_12V before FUSED_12V distribution - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2008171237_Littelfuse-SMD300F-15-2_C720065.pdf - Manufacturer Part Number: SMD300F/15-2 - JLCPCB Part Class: Extended Part **Pins:** - 1 [pin 1] - 2 [pin 2] ### J1 — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal~s4.md) - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf - Manufacturer Name: Würth Elektrik - Part Type: Connector - Manufacturer Part Number: 691137710002 **Pins:** - P1 [pin 1] - P2 [pin 2] ### J10 — [282837-3](https://www.flux.ai/adrian95/282837-3~5mc.md) - Manufacturer Name: TE Connectivity AMP Connectors - Manufacturer Part Number: 282837-3 - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.te.com/usa-en/product-282837-3.datasheet.pdf **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J11 — [nc3fah XLR](https://www.flux.ai/kil/nc3fah-xlr~94.md) - Datasheet URL: https://www.neutrik.com/en/product/nc3fah - Manufacturer Name: Neutrik - Pin Number: 3Pins - Manufacturer Part Number: nc3fah - Current: 6A - Operating Voltage: 50V - Part Type: Connector **Pins:** - GND [pin 1] - Negative [pin 3] - Positive [pin 2] ### J12 — [nc3fah XLR](https://www.flux.ai/kil/nc3fah-xlr~94.md) - Manufacturer Part Number: nc3fah - Current: 6A - Operating Voltage: 50V - Part Type: Connector - Manufacturer Name: Neutrik - Pin Number: 3Pins - Datasheet URL: https://www.neutrik.com/en/product/nc3fah **Pins:** - GND [pin 1] - Negative [pin 3] - Positive [pin 2] ### J2 — [2-Position Screw Terminal](https://www.flux.ai/corynrobinson/2-position-screw-terminal~s4.md) - Manufacturer Name: Würth Elektrik - Part Type: Connector - Manufacturer Part Number: 691137710002 - Datasheet URL: https://www.we-online.com/katalog/datasheet/691137710002.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### J3 — [282837-3](https://www.flux.ai/adrian95/282837-3~5mc.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.te.com/usa-en/product-282837-3.datasheet.pdf - Manufacturer Name: TE Connectivity AMP Connectors - Part Type: Connector - Manufacturer Part Number: 282837-3 **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J4 — [282837-3](https://www.flux.ai/adrian95/282837-3~5mc.md) - Manufacturer Part Number: 282837-3 - Part Type: Connector - Manufacturer Name: TE Connectivity AMP Connectors - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.te.com/usa-en/product-282837-3.datasheet.pdf **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J5 — [282837-3](https://www.flux.ai/adrian95/282837-3~5mc.md) - Datasheet URL: https://www.te.com/usa-en/product-282837-3.datasheet.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Manufacturer Part Number: 282837-3 - Manufacturer Name: TE Connectivity AMP Connectors **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J6 — [282837-3](https://www.flux.ai/adrian95/282837-3~5mc.md) - Manufacturer Name: TE Connectivity AMP Connectors - Manufacturer Part Number: 282837-3 - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.te.com/usa-en/product-282837-3.datasheet.pdf **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J7 — [282837-3](https://www.flux.ai/adrian95/282837-3~5mc.md) - Manufacturer Part Number: 282837-3 - Part Type: Connector - Manufacturer Name: TE Connectivity AMP Connectors - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.te.com/usa-en/product-282837-3.datasheet.pdf **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J8 — [282837-3](https://www.flux.ai/adrian95/282837-3~5mc.md) - Manufacturer Name: TE Connectivity AMP Connectors - Part Type: Connector - Manufacturer Part Number: 282837-3 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.te.com/usa-en/product-282837-3.datasheet.pdf **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### J9 — [282837-3](https://www.flux.ai/adrian95/282837-3~5mc.md) - Manufacturer Name: TE Connectivity AMP Connectors - Manufacturer Part Number: 282837-3 - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.te.com/usa-en/product-282837-3.datasheet.pdf **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] ### MH1 — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Product Info Url: https://www.mcmaster.com/screws/drive-style~torx/rounded-head-style~pan/material~steel/specifications-met~iso-7045/thread-size~m3/finish~zinc-plated/ - Role Details: M3 board mounting hole at PCB corner - Role: Mounting **Pins:** - terminal ### MH2 — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Role: Mounting - Role Details: M3 board mounting hole at PCB corner - Product Info Url: https://www.mcmaster.com/screws/drive-style~torx/rounded-head-style~pan/material~steel/specifications-met~iso-7045/thread-size~m3/finish~zinc-plated/ **Pins:** - terminal ### MH3 — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Role: Mounting - Role Details: M3 board mounting hole at PCB corner - Product Info Url: https://www.mcmaster.com/screws/drive-style~torx/rounded-head-style~pan/material~steel/specifications-met~iso-7045/thread-size~m3/finish~zinc-plated/ **Pins:** - terminal ### MH4 — [M3 Mounting Hole](https://www.flux.ai/vasyl/m3-mounting-hole~kc3.md) - Role Details: M3 board mounting hole at PCB corner - Product Info Url: https://www.mcmaster.com/screws/drive-style~torx/rounded-head-style~pan/material~steel/specifications-met~iso-7045/thread-size~m3/finish~zinc-plated/ - Role: Mounting **Pins:** - terminal ### RSHUNT1 — [Generic Resistor](https://www.flux.ai/jharwinbarrozo/generic-resistor~3e.md) - Package: SMD_0603_1608Metric - Power Rating: 5W - Role Details: JL-2 100A/50mV shunt in battery negative return: J1 battery negative -> BATTERY_NEG_SHUNT -> RSHUNT1 -> GND, with Kelvin sense to U6 - Resistance: 0.0005ohms - Part Type: Resistor - Package or Case Code: RES-TH - Manufacturer Part Number: JL-2 100A/50mV or equivalent panel shunt - Role: Current Sense **Pins:** - P1 [pin 1] - P2 [pin 2] ### SW1 — [PB86-A1](https://www.flux.ai/giulioz/pb86-a1~of.md) - Product Info Url: https://www.adafruit.com/product/5499 **Pins:** - Common - DefClosed - DefOpen - LED - - LED + ### SW2 — [L101011MS02Q](https://www.flux.ai/adrian95/l101011ms02q~ck2.md) - Manufacturer Part Number: L101011MS02Q - Datasheet URL: https://www.littelfuse.com/assetdocs/littelfuse-ck-slide-l-series-datasheet?assetguid=b0eee6fb-c634-4a1e-9e34-22a5c4b081c8 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switch - Manufacturer Name: C&K **Pins:** - 1 [pin 1] - 2 [pin 2] ### SW3 — [L101011MS02Q](https://www.flux.ai/adrian95/l101011ms02q~ck2.md) - Manufacturer Name: C&K - Manufacturer Part Number: L101011MS02Q - Datasheet URL: https://www.littelfuse.com/assetdocs/littelfuse-ck-slide-l-series-datasheet?assetguid=b0eee6fb-c634-4a1e-9e34-22a5c4b081c8 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switch **Pins:** - 1 [pin 1] - 2 [pin 2] ### SW4 — [L101011MS02Q](https://www.flux.ai/adrian95/l101011ms02q~ck2.md) - Manufacturer Name: C&K - Manufacturer Part Number: L101011MS02Q - Datasheet URL: https://www.littelfuse.com/assetdocs/littelfuse-ck-slide-l-series-datasheet?assetguid=b0eee6fb-c634-4a1e-9e34-22a5c4b081c8 - Part Type: Switch - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] - 2 [pin 2] ### SW6 — [L101011MS02Q](https://www.flux.ai/adrian95/l101011ms02q~ck2.md) - Manufacturer Name: C&K - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Switch - Manufacturer Part Number: L101011MS02Q - Datasheet URL: https://www.littelfuse.com/assetdocs/littelfuse-ck-slide-l-series-datasheet?assetguid=b0eee6fb-c634-4a1e-9e34-22a5c4b081c8 **Pins:** - 1 [pin 1] - 2 [pin 2] ### U1 — [ESP32-DEVKITC-32UE](https://www.flux.ai/adrian95/esp32-devkitc-32ue~ba.md) - Symbol Style: parametric-v1 - Manufacturer Name: Espressif Systems - Manufacturer Part Number: ESP32-DEVKITC-32UE - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://docs.espressif.com/projects/esp-dev-kits/en/latest/esp32/esp-dev-kits-en-master-esp32.pdf - Part Type: Development Board **Pins:** - 3V3 [pin 1] - 5V [pin 19] - CLK [pin 38] - CMD [pin 18] - D0 [pin 37] - D1 [pin 36] - D2 [pin 16] - D3 [pin 17] - EN [pin 2] - GND [pin 26] - GND [pin 20] - GND [pin 14] - GPIO0 [pin 33] - GPIO12 [pin 13] - GPIO13 [pin 15] - GPIO14 [pin 12] - GPIO15 [pin 35] - GPIO16 [pin 31] - GPIO17 [pin 30] - GPIO18 [pin 28] - GPIO19 [pin 27] - GPIO2 [pin 34] - GPIO21 [pin 25] - GPIO22 [pin 22] - GPIO23 [pin 21] - GPIO25 [pin 9] - GPIO26 [pin 10] - GPIO27 [pin 11] - GPIO32 [pin 7] - GPIO33 [pin 8] - GPIO34 [pin 5] - GPIO35 [pin 6] - GPIO4 [pin 32] - GPIO5 [pin 29] - RX [pin 24] - TX [pin 23] - VN [pin 4] - VP [pin 3] ### U10 — [PB86-A1](https://www.flux.ai/giulioz/pb86-a1~of.md) - Product Info Url: https://www.adafruit.com/product/5499 **Pins:** - Common - DefClosed - DefOpen - LED - - LED + ### U11 — [MCP23017-E-SS](https://www.flux.ai/jecstronic/mcp23017-e-ss~ke.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Part Number: MCP23017-E/SS - Datasheet URL: http://www.microchip.com/mymicrochip/filehandler.aspx?ddocname=en023709 - Manufacturer Name: Microchip **Pins:** - ~RESET~ [pin 18] - A0 [pin 15] - A1 [pin 16] - A2 [pin 17] - GPA0 [pin 21] - GPA1 [pin 22] - GPA2 [pin 23] - GPA3 [pin 24] - GPA4 [pin 25] - GPA5 [pin 26] - GPA6 [pin 27] - GPA7 [pin 28] - GPB0 [pin 1] - GPB1 [pin 2] - GPB2 [pin 3] - GPB3 [pin 4] - GPB4 [pin 5] - GPB5 [pin 6] - GPB6 [pin 7] - GPB7 [pin 8] - INTA [pin 20] - INTB [pin 19] - NC [pin 14] - NC [pin 11] - SCK [pin 12] - SDA [pin 13] - VDD [pin 9] - VSS [pin 10] ### U2 — [74HCT245PW,118](https://www.flux.ai/vasy_skral/74hct245pwc118~n2s.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 74HCT245PW,118 - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/74HC_HCT245.pdf - Part Type: Integrated Circuit - Manufacturer Name: Nexperia USA Inc. **Pins:** - A->B [pin 1] - A0 [pin 2] - A1 [pin 3] - A2 [pin 4] - A3 [pin 5] - A4 [pin 6] - A5 [pin 7] - A6 [pin 8] - A7 [pin 9] - B0 [pin 18] - B1 [pin 17] - B2 [pin 16] - B3 [pin 15] - B4 [pin 14] - B5 [pin 13] - B6 [pin 12] - B7 [pin 11] - CE [pin 19] - GND [pin 10] - VCC [pin 20] ### U3 — [PTN78060WAH](https://www.flux.ai/jecstronic/ptn78060wah~uxf.md) - Role Details: 12V/FUSED_12V to 5V logic rail buck module, set for 5V output - Part Type: DCDC Converter - Role: Buck Regulator - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/lit/ds/symlink/ptn78060w.pdf - Manufacturer Part Number: PTN78060WAH - Manufacturer Name: Texas Instumants **Pins:** - ~Inhibit [pin 3] - GND [pin 7] - GND [pin 1] - VI [pin 2] - VO [pin 6] - VO_Adj [pin 4] - VO_Sense [pin 5] ### U4 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33~34.md) - Manufacturer Name: AMS - Manufacturer Part Number: AMS1117-3.3 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Symbol Style: Parametric - Datasheet URL: http://www.advanced-monolithic.com/pdf/ds1117.pdf **Pins:** - GND [pin 1] - TAB(VOUT) [pin 4] - VIN [pin 3] - VOUT [pin 2] ### U5 — [MAX485CSA+](https://www.flux.ai/adrian95/max485csaplus~p25.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MAX485CSA+ - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/max1487-max491.pdf - Manufacturer Name: Analog Devices Inc./Maxim Integrated **Pins:** - ~RE [pin 2] - A [pin 6] - B [pin 7] - DE [pin 3] - DI [pin 4] - GND [pin 5] - RO [pin 1] - VCC [pin 8] ### U6 — [LM358DR2G](https://www.flux.ai/adrian95/lm358dr2g~7ab.md) - Datasheet URL: https://www.onsemi.com/pdf/datasheet/lm358-d.pdf - Manufacturer Part Number: LM358DR2G - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Manufacturer Name: onsemi **Pins:** - AIN- [pin 2] - AIN+ [pin 3] - AOUT [pin 1] - BIN- [pin 6] - BIN+ [pin 5] - BOUT [pin 7] - GND [pin 4] - VCC [pin 8] ### U7 — [PB86-A1](https://www.flux.ai/giulioz/pb86-a1~of.md) - Product Info Url: https://www.adafruit.com/product/5499 **Pins:** - Common - DefClosed - DefOpen - LED - - LED + ### U8 — [PB86-A1](https://www.flux.ai/giulioz/pb86-a1~of.md) - Product Info Url: https://www.adafruit.com/product/5499 **Pins:** - Common - DefClosed - DefOpen - LED - - LED + ### U9 — [PB86-A1](https://www.flux.ai/giulioz/pb86-a1~of.md) - Product Info Url: https://www.adafruit.com/product/5499 **Pins:** - Common - DefClosed - DefOpen - LED - - LED + *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jm16892/carousel-horse-led-controller~7g](https://www.flux.ai/jm16892/carousel-horse-led-controller~7g).* --- *Generated from [https://www.flux.ai/jm16892/carousel-horse-led-controller~7g](https://www.flux.ai/jm16892/carousel-horse-led-controller~7g)*