# ESP32-C6 Midea HVAC Dongle ## Description Compact USB dongle PCB for Midea air conditioners based on the mideahvac-dongle architecture, using an ESP32-C6 module, 5V UART level shifting, WS2812B status LED, USB-A appliance connector, and USB-C programming/power. ## Project Details - **Owner:** felix123321 - **Created:** 6/23/2026 - **Last Updated:** 6/23/2026 - **Visibility:** Public ## Key Components ### J1 — [TYPEC-304J-BCP16](https://www.flux.ai/lcsc/typec-304j-bcp16~8fhw.md) - Package or Case Code: USB-C-SMD_TYPEC-304J-BCP16 - Manufacturer Name: XUNPU(讯普) - Role: USB-C programming/power port - Manufacturer Part Number: TYPEC-304J-BCP16 - Part Type: USB Connectors - JLCPCB Part Class: Extended Part - LCSC Part Number: C2835315 **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1B12] - GND [pin 15] - GND [pin 16] - GND [pin B1A12] - GND [pin 14] - GND [pin 13] - SBU1 [pin A8] - SBU2 [pin B8] - VBUS [pin A4B9] - VBUS [pin B4A9] ### J2 — [1013-0021-001-020](https://www.flux.ai/lcsc/1013-0021-001-020~qap.md) - JLCPCB Part Class: Extended Part - Manufacturer Name: 国满 - LCSC Part Number: C779660 - Role: USB-A appliance plug - Part Type: USB Connectors - Manufacturer Part Number: 1013-0021-001-020 - Package or Case Code: USB-A-SMD_1013-0021-001-020 **Pins:** - D- [pin 2] - D+ [pin 3] - EH [pin 6] - EH [pin 5] - GND [pin 4] - VCC [pin 1] ### LED1 — [WS2812B-2020](https://www.flux.ai/lcsc/ws2812b-2020~kra3.md) - LCSC Part Number: C965555 - JLCPCB Part Class: Extended Part - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2012110135_Worldsemi-WS2812B-2020_C965555.pdf - Product Info Url: https://lcsc.com/product-detail/Light-Emitting-Diodes-LED_Worldsemi-WS2812B-2020_C965555.html - Manufacturer Part Number: WS2812B-2020 - Role: Addressable status LED - Manufacturer Name: worldsemi - Package or Case Code: LED-SMD_4P-L2.0-W2.0-TL_WS2812B-2020 - Part Type: Light Emitting Diodes (LED) - Max Reverse Voltage: 5V - Forward Voltage: Red: 2.0V to 2.2V Green: 3.0V to 3.2V Blue: 3.0V to 3.2V - Max Forward Current: 20mA **Pins:** - DI [pin 3] - DO [pin 1] - GND [pin 2] - VDD [pin 4] ### SW1 — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - Part Type: Tactile Switches - Role: Bootstrapping - Manufacturer Name: XUNPU(讯普) - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - LCSC Part Number: C720477 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - Manufacturer Part Number: TS-1088-AR02016 **Pins:** - 1 [pin 1] - 2 [pin 2] ### SW2 — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - 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 - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - LCSC Part Number: C720477 - Part Type: Tactile Switches - Manufacturer Name: XUNPU(讯普) - JLCPCB Part Class: Extended Part - Role: Bootstrapping **Pins:** - 1 [pin 1] - 2 [pin 2] ### U1 — [ESP32-C6-MINI-1-N4](https://www.flux.ai/vasyl/esp32-c6-mini-1-n4~0jh.md) - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-c6-mini-1_mini-1u_datasheet_en.pdf - Part Type: RF module - JLCPCB Part Class: LCSC available - Manufacturer Name: Espressif Systems - Role: Main MCU / wireless module - Manufacturer Part Number: ESP32-C6-MINI-1-N4 - Symbol Style: parametric-v1 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 3V3 [pin 3] - EN [pin 8] - GND_1 [pin 1] - GND_1__1 [pin 2] - GND_1__10 [pin 42] - GND_1__11 [pin 43] - GND_1__12 [pin 44] - GND_1__13 [pin 45] - GND_1__14 [pin 46] - GND_1__2 [pin 11] - GND_1__3 [pin 14] - GND_1__4 [pin 36] - GND_1__5 [pin 37] - GND_1__6 [pin 38] - GND_1__7 [pin 39] - GND_1__8 [pin 40] - GND_1__9 [pin 41] - GND_2 [pin 47] - GND_2__1 [pin 48] - GND_2__10 [pin 49_9] - GND_2__11 [pin 50] - GND_2__12 [pin 51] - GND_2__13 [pin 52] - GND_2__14 [pin 53] - GND_2__2 [pin 49_1] - GND_2__3 [pin 49_2] - GND_2__4 [pin 49_3] - GND_2__5 [pin 49_4] - GND_2__6 [pin 49_5] - GND_2__7 [pin 49_6] - GND_2__8 [pin 49_7] - GND_2__9 [pin 49_8] - IO0 [pin 12] - IO1 [pin 13] - IO12 [pin 17] - IO13 [pin 18] - IO14 [pin 19] - IO15 [pin 20] - IO18 [pin 24] - IO19 [pin 25] - IO2 [pin 5] - IO20 [pin 26] - IO21 [pin 27] - IO22 [pin 28] - IO23 [pin 29] - IO3 [pin 6] - IO4 [pin 9] - IO5 [pin 10] - IO6 [pin 15] - IO7 [pin 16] - IO8 [pin 22] - IO9 [pin 23] - NC [pin 21] - NC [pin 4] - NC__1 [pin 7] - NC__5 [pin 32] - NC__6 [pin 33] - NC__7 [pin 34] - NC__8 [pin 35] - RXD0 [pin 30] - TXD0 [pin 31] ### U2 — [TXS0108EPWR](https://www.flux.ai/adrian95/txs0108epwr~yg.md) - Manufacturer Part Number: TXS0108EPWR - Manufacturer Name: Texas Instruments - Part Type: Integrated Circuit - Symbol Style: parametric-v1 - License: https://creativecommons.org/licenses/by/4.0/ - Role: 5V UART level shifter - Datasheet URL: https://www.ti.com/lit/ds/symlink/txs0108e.pdf **Pins:** - A1 [pin 1] - A2 [pin 3] - A3 [pin 4] - A4 [pin 5] - A5 [pin 6] - A6 [pin 7] - A7 [pin 8] - A8 [pin 9] - B1 [pin 20] - B2 [pin 18] - B3 [pin 17] - B4 [pin 16] - B5 [pin 15] - B6 [pin 14] - B7 [pin 13] - B8 [pin 12] - GND [pin 11] - OE [pin 10] - VCCA [pin 2] - VCCB [pin 19] ### U3 — [TLV75801PDBV](https://www.flux.ai/kicad-part-library/tlv75801pdbv~1af.md) - Role Details: Power budget target: ~160mA typical, ~400mA peak; LDO rated 500mA, dissipation ~0.27W typical at 5V input. - Datasheet URL: https://www.ti.com/lit/ds/symlink/tlv758p.pdf - Manufacturer Part Number: TLV75801PDBV - Role: 3.3V LDO regulator - Manufacturer Name: Texas Instruments Inc. - Package or Case Code: SOT-23-5 **Pins:** - EN [pin 3] - FB [pin 4] - GND [pin 2] - IN [pin 1] - OUT [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/felix123321/esp32-c6-midea-hvac-dongle~ql](https://www.flux.ai/felix123321/esp32-c6-midea-hvac-dongle~ql).* --- *Generated from [https://www.flux.ai/felix123321/esp32-c6-midea-hvac-dongle~ql](https://www.flux.ai/felix123321/esp32-c6-midea-hvac-dongle~ql)*