# Emotional Jade Universal Remote ## Description ESP32-Based Smart Wi-Fi/BLE Humidity & Temperature Sensor Board ## Project Details - **Owner:** oozliuoo - **Created:** 10/6/2025 - **Last Updated:** 10/6/2025 - **Visibility:** Public - **System Architecture:** flowchart LR BarrelJack[Barrel Jack] --> TVS[TVS Diode] TVS --> Regulator3V3[3.3V Regulator] Regulator3V3 --> MCU[MCU] Regulator3V3 --> I2CSensor[I²C Sensor] Regulator3V3 --> LEDs[LEDs] Regulator3V3 --> ProgPads[Programming Pads] Regulator3V3 --> Buttons[Buttons] ## Key Components ### D1 — [USBLC6-2SC6](https://www.flux.ai/collinsemasi/usblc6-2sc6~jt.md) - Voltage - Reverse Standoff: 5.25V - Breakdown Voltage: 6V - Reverse Standoff Voltage: 5.25V - Role: Protection - Role Details: Input TVS diode for 5 V barrel jack; breakdown voltage 6 V, reverse standoff voltage 5.25 V - Part Type: ESD PROTECTION - Manufacturer Name: STMicroelectronics - Manufacturer Part Number: USBLC6-2SC6 - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/06/1d/48/9c/6c/20/4a/b2/CD00050750.pdf/files/CD00050750.pdf/jcr:content/translations/en.CD00050750.pdf - Unidirectional Channels: 2 - Voltage - Breakdown: 6V - Operating Temperature: -40°C ~ 150°C (TJ) **Pins:** - 1 [pin 1] - 3 [pin 3] - 4 [pin 4] - 6 [pin 6] - GND [pin 2] - VBUS [pin 5] ### D2 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - Manufacturer Name: Würth Elektronik - Role Details: 3.3V power indicator - Role: LED - Manufacturer Part Number: 150060VS55040 - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - A [pin 2] - K [pin 1] ### J1 — [Vertical Barrel Jack](https://www.flux.ai/corynrobinson/vertical-barrel-jack~vk.md) - Manufacturer Name: Texas Instruments Inc. - Role: Connector - Manufacturer Part Number: PJ-044A - Part Type: Connector - Voltage: 5V - Purchase Url: https://www.digikey.com/en/products/detail/cui-devices/PJ-044A/1644567 - Role Details: DC barrel jack 5 V input - Datasheet URL: https://www.cuidevices.com/product/resource/pj-044a.pdf **Pins:** - GND - GND - VCC ### J2 — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md) - Role: Connector - Part Type: Connector - Role Details: Programming pads: TXD0, RXD0, 3.3V, GND - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### SW1 — [SW_Push](https://www.flux.ai/adrian95/swpush~f5x.md) - Datasheet URL: https://us.schurter.com/en/datasheet/typ_6x6_mm_tact_switches.pdf - Manufacturer Name: Schurter Inc. - Manufacturer Part Number: 1301.9314 - Role: Switch - Part Type: Switch - Role Details: Reset button for MCU EN pin **Pins:** - 1 - 2 ### U1 — [ESP32-WROOM-32D](https://www.flux.ai/vasyl/esp32-wroom-32d~7py.md) - Manufacturer Name: Espressif Systems - Part Type: Microcontroller - Max Input Voltage: 3.6V - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf - Manufacturer Part Number: ESP32-WROOM-32D - Role Details: Main MCU for Wi-Fi/BLE connectivity and control - Voltage: 3.3V - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 3.3V [pin 2] - AGND [pin 39] - CLK [pin 20] - CMD [pin 19] - EN [pin 3] - GND [pin 38] - GND [pin 15] - 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 [pin 34] - SD0 [pin 21] - SD1 [pin 22] - SD2 [pin 17] - SD3 [pin 18] - TXD0 [pin 35] - VN [pin 5] - VP [pin 4] ### U1 — [ESP32-WROOM-32D](https://www.flux.ai/vasyl/esp32-wroom-32d~7py.md) - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: ESP32-WROOM-32D - Role: Microcontroller - Manufacturer Name: Espressif Systems - Part Type: Microcontroller - Role Details: Wi-Fi/Bluetooth MCU **Pins:** - 3.3V [pin 2] - AGND [pin 39] - CLK [pin 20] - CMD [pin 19] - EN [pin 3] - GND [pin 38] - GND [pin 15] - 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 [pin 34] - SD0 [pin 21] - SD1 [pin 22] - SD2 [pin 17] - SD3 [pin 18] - TXD0 [pin 35] - VN [pin 5] - VP [pin 4] ### U2 — [SHT31-DIS-B2.5KS](https://www.flux.ai/vasy_skral/sht31-dis-b25ks~lhv.md) - Role: Sensor - Manufacturer Name: Sensirion AG - Part Type: Integrated Circuit - Manufacturer Part Number: SHT31-DIS-B2.5KS - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Sensirion%20PDFs/HT_DS_SHT3x_DIS.pdf - Role Details: I²C humidity/temperature sensor - Voltage: 3.3V **Pins:** - ~RESET [pin 6] - ADDR [pin 2] - ALERT [pin 3] - R [pin 7] - SCL [pin 4] - SDA [pin 1] - VDD [pin 5] - VSS [pin 9] - VSS [pin 8] ### U3 — [NCP176BMX330TCG](https://www.flux.ai/ryanf/ncp176bmx330tcg~l72.md) - Package or Case Code: XDFN6 - Part Type: Linear Voltage Regulator - Role: Power Conversion - Manufacturer Name: onsemi - Role Details: 3.3 V LDO regulator, 500 mA output for MCU and I²C sensor - Max Input Voltage: 5.5V - Manufacturer Part Number: NCP176BMX330TCG - Voltage: 3.3V - Datasheet URL: https://www.mouser.com/datasheet/2/308/1/NCP176_D-2316728.pdf **Pins:** - EN [pin 4] - FB [pin 2] - GND [pin 3] - IN [pin 6] - N/C [pin 5] - OUT [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/oozliuoo/emotional-jade-universal-remote~q2](https://www.flux.ai/oozliuoo/emotional-jade-universal-remote~q2).* --- *Generated from [https://www.flux.ai/oozliuoo/emotional-jade-universal-remote~q2](https://www.flux.ai/oozliuoo/emotional-jade-universal-remote~q2)*