# Unique Purple TV Glasses ## Description Smart Wellhead Controller V1.1: ESP32 + LoRa Industrial IoT Node with Solar Power, Deep-Sleep Leak Sensing, and OLED HMI. Now upgraded with a solar charging and battery management stage featuring a TP4056/CN3791 charger IC, power-path switching, Li-ion battery protection, and integrated 3.3 V rail supply. #PowerBlock #SolarCharging #BMS ## Project Details - **Owner:** bababababaaaa - **Created:** 1/17/2026 - **Last Updated:** 1/17/2026 - **Visibility:** Public - **Net Class Power:** {"type": "net_class", "trace_width_mm": 1.0, "via_drill_mm": 0.6, "via_pad_mm": 1.2} - **Controlled Impedance:** 50Ω - **System Architecture:** ```mermaid flowchart TD SolarPanel["Solar Panel"] ChargerIC["Charger IC"] PowerPath["Power-Path Switch"] HT7333["HT7333 3.3V LDO"] Battery["Battery"] SolarPanel --> ChargerIC ChargerIC --> PowerPath Battery --> PowerPath PowerPath --> HT7333 ``` - **Controlled Impedance Tolerance:** +/-10% - **Net Type:** High Speed - **Net Class Signal:** {"type": "net_class", "trace_width_mm": 0.254, "via_drill_mm": 0.3, "via_pad_mm": 0.6} ## Key Components ### D1 — [PRTR5V0U2X,215](https://www.flux.ai/openpartlist/prtr5v0u2xc215~f8.md) - License: https://creativecommons.org/licenses/by/4.0/ - PlacementGroup: PowerBlock - Manufacturer Name: Nexperia USA Inc. - Role: Protection - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/PRTR5V0U2X.pdf - Role Details: ESD/Surge protection for 3V3 rail and I/O lines - placement-group: PowerBlock - Manufacturer Part Number: PRTR5V0U2X,215 - Part Type: Protection **Pins:** - GND [pin 1] - I/O1 [pin 2] - I/O2 [pin 3] - VCC [pin 4] ### D2 — [D5V0F4U6SO-7](https://www.flux.ai/adrian95/d5v0f4u6so-7~4y1.md) - Role Details: TVS protection for 12 V solar input - License: https://creativecommons.org/licenses/by/4.0/ - placement-group: PowerBlock - Role: Protection - Package: SOT-26 - Part Type: Diode - Manufacturer Part Number: D5V0F4U6SO-7 - Manufacturer Name: Diodes Incorporated - Datasheet URL: https://www.diodes.com/assets/Datasheets/D5V0F4U6SO.pdf - PlacementGroup: PowerBlock **Pins:** - CH_1 [pin 1] - CH_2 [pin 3] - CH_3 [pin 4] - CH_4 [pin 6] - GND [pin 2] - VDD [pin 5] ### DC1 — [DC-002φ1.0环保](https://www.flux.ai/lcsc/dc-002f1p0~oal9.md) - Part Type: AC/DC Power Connectors - Connector Type: Photovoltaic / Solar Connectors - JLCPCB Part Class: Extended Part - LCSC Part Number: C2939078 - Role Details: Solar panel input connector; DC-002φ1.0 rated for outdoor solar PV use - Manufacturer Part Number: DC-002φ1.0环保 - Manufacturer Name: HOOYA(皓宇电子) - Role: Power Source - Package or Case Code: DC-IN-TH_KH-DC-002-1.0 **Pins:** - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### J1 — [282841-2](https://www.flux.ai/adrian95/282841-2~4e.md) - Part Type: Connector - Role: 2-pin power input: 12 V and GND - Datasheet URL: https://www.te.com/usa-en/product-282841-2.datasheet.pdf - Manufacturer Name: TE Connectivity AMP Connectors - placement-group: PowerBlock - Manufacturer Part Number: 282841-2 - Role Details: 2-pin power input: 12 V and GND - License: https://creativecommons.org/licenses/by/4.0/ - Package: Through Hole **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J2 — [282841-2](https://www.flux.ai/adrian95/282841-2~4e.md) - Part Type: Connector - Package: Through Hole - Role Details: 2-pin sensor interface: sensor signal and GND - Datasheet URL: https://www.te.com/usa-en/product-282841-2.datasheet.pdf - Manufacturer Name: TE Connectivity AMP Connectors - Manufacturer Part Number: 282841-2 - Role: 2-pin sensor interface: sensor signal and GND - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J3 — [282841-2](https://www.flux.ai/adrian95/282841-2~4e.md) - Manufacturer Part Number: 282841-2 - PlacementGroup: ActuatorBlock - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.te.com/usa-en/product-282841-2.datasheet.pdf - Manufacturer Name: TE Connectivity AMP Connectors - placement-group: ActuatorBlock - Package: Through Hole - Part Type: Connector - Role Details: 2-pin actuator control: PWM signal and GND - Role: 2-pin actuator control: PWM signal and GND **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] ### J4 — [B2B-PH-K-S(LF)(SN)](https://www.flux.ai/jecstronic/b2b-ph-k-slfsn~nss.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: JST Sales America - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811151524_JST-Sales-America-B2B-PH-K-S-LF-SN_C131337.pdf - Manufacturer Part Number: B2B-PH-K-S(LF)(SN) - placement-group: PowerBlock - Part Type: Connector - Role Details: Battery connector interfacing Li-ion battery pack to charger and power-path circuitry - Role: Power Source **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### LED1 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED - Manufacturer Part Number: 150060VS55040 - Role Details: Charger status indicator LED - Manufacturer Name: Würth Elektronik - Package: SMD_0603_1608Metric - Role: Indicator - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [150060VS55040](https://www.flux.ai/adrian95/150060vs55040~c2q.md) - Manufacturer Part Number: 150060VS55040 - Role Details: Power/status indicator LED associated with PowerBlock supply state - Part Type: LED - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060VS55040.pdf - placement-group: PowerBlock - Package: SMD_0603_1608Metric - Role: Indicator - Manufacturer Name: Würth Elektronik **Pins:** - A [pin 2] - K [pin 1] ### Q1 — [AO3400A](https://www.flux.ai/lcsc/ao3400a~e5y2.md) - Transistor Type: N-channel MOSFET - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - LCSC Part Number: C347475 - JLCPCB Part Class: Extended Part - Operating Temperature: -55 ~ +150℃ - Manufacturer Name: UMW(友台半导体) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Part Type: MOSFETs - Continuous Drain Current: 5.7A - Drain to Source Voltage: 30V - Manufacturer Part Number: AO3400A - Role Details: PWM actuator switch controlled by ESP32 GPIO - Power: 1.4W - placement-group: ActuatorBlock - Role: Switching **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q2 — [FDN340P](https://www.flux.ai/openpartlist/fdn340p~ed.md) - placement-group: ActuatorBlock - PlacementGroup: ActuatorBlock - Role Details: High-side P-channel MOSFET for 12 V actuator switch - Package: SOT-23-3 - Role: Switching - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: onsemi - Datasheet URL: https://www.onsemi.com/pdf/datasheet/fdn340p-d.pdf - Part Type: Transistor - Manufacturer Part Number: FDN340P - Drain to Source Voltage: 30V **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q3 — [AO3401A](https://www.flux.ai/jecstronic/ao3401a~9r5.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Switching - Transistor Type: MOSFET - Part Type: Transistor - Manufacturer Name: HUASHUO - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2007171935_HUASHUO-AO3401A_C700954.pdf - Drain to Source Voltage: 30V - Manufacturer Part Number: AO3401A - Role Details: Ideal-diode P-channel MOSFET for power-path switching between solar input and battery source; requires logic-level gate drive - placement-group: PowerBlock - Package: SOT-23-3 **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### RF1 — [FA1-NCRP-PCB-8](https://www.flux.ai/lcsc/fa1-ncrp-pcb-8~4e52.md) - Role: Antenna connector for LoRa RF feed, 50-ohm - Role Details: Antenna connector for LoRa RF feed, 50-ohm - Part Type: RF Connectors / Coaxial Connectors - Product Info Url: https://lcsc.com/product-detail/Pre-ordered-Products_Amphenol-ICC_FA1-NCRP-PCB-8_Amphenol-ICC-FA1-NCRP-PCB-8_C157878.html - placement-group: RFBlock - Manufacturer Name: Amphenol - PlacementGroup: RFBlock - JLCPCB Part Class: Extended Part - Manufacturer Part Number: FA1-NCRP-PCB-8 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2411220042_Amphenol-ICC-FA1-NCRP-PCB-8_C157878.pdf - LCSC Part Number: C157878 - Package or Case Code: SMA-TH_FA1-NCRP-PCB-8 **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] ### U1 — [ESP32-WROOM-32E](https://www.flux.ai/lcsc/esp32-wroom-32e~pa8i.md) - Manufacturer Name: ESPRESSIF(乐鑫) - LCSC Part Number: C2973652 - Package or Case Code: WIFI-SMD_ESP32-WROOM-32E-A - Manufacturer Part Number: ESP32-WROOM-32E - placement-group: MCU_HMI - Role: Main MCU - PlacementGroup: MCU_HMI - Part Type: WiFi Modules - Role Details: Controller - JLCPCB Part Class: Extended Part **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 1] - GND [pin 15] - GND [pin 38] - GND [pin 39] - 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 17] - NC [pin 18] - NC [pin 19] - NC [pin 20] - NC [pin 21] - NC [pin 22] - NC [pin 32] - RXD0 [pin 34] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - TXD0 [pin 35] ### U2 — [SX1278S43S+T-X1](https://www.flux.ai/lcsc/sx1278s43splust-x1~85ce.md) - Datasheet URL: https://assets.lcsc.com/datasheet/szlcsc/Download-ISO9001-Certification.pdf - LCSC Part Number: C718832 - PlacementGroup: RFBlock - Product Info Url: https://lcsc.com/product-detail/Wireless-Modules_Vollgo-SX1278S43S-T-X1_C718832.html - Package or Case Code: WIRELM-SMD_SX1278S165SY-T-X1 - Manufacturer Part Number: SX1278S43S+T-X1 - Role: Modulation / Demodulation - placement-group: RFBlock - Role Details: Long-range 433 MHz RF transceiver - JLCPCB Part Class: Extended Part - Part Type: LoRa Modules - Manufacturer Name: Vollgo(沃进) **Pins:** - DIO0 [pin 14] - DIO1 [pin 15] - DIO2 [pin 16] - DIO3 [pin 11] - DIO4 [pin 12] - DIO5 [pin 7] - GND [pin 10] - GND [pin 8] - GND [pin 1] - NSS [pin 5] - RF [pin 9] - RST [pin 6] - SCK [pin 4] - SI [pin 3] - SO [pin 2] - VCC [pin 13] ### U3 — [HT7333-A](https://www.flux.ai/lcsc/ht7333-a~zhz6.md) - Role Details: 3.3 V LDO regulator for power subsystem - PlacementGroup: PowerBlock - Package or Case Code: SOT-89-3_L4.5-W2.5-P1.50-LS4.2-BR - LCSC Part Number: C347191 - placement-group: PowerBlock - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-HT7333-A_C347191.html - JLCPCB Part Class: Extended Part - Role: Voltage Reference - Manufacturer Name: UMW(友台半导体) - Part Type: Linear Voltage Regulators (LDO) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409280132_UMW-Youtai-Semiconductor-Co---Ltd--HT7333-A_C347191.pdf - Manufacturer Part Number: HT7333-A **Pins:** - GND [pin 1] - VIN [pin 2] - VOUT [pin 3] ### U5 — [DMP3013SFV](https://www.flux.ai/kicad-part-library/dmp3013sfv~5bo.md) - Datasheet URL: https://www.diodes.com/assets/Datasheets/DMP3013SFV.pdf - Manufacturer Part Number: DMP3013SFV - Package or Case Code: Diodes_PowerDI3333-8 - Role Details: Ideal diode for input reverse-polarity protection - Role: Protection - placement-group: ActuatorBlock **Pins:** - D [pin 5] - G [pin 4] - S [pin 2] - S [pin 3] - S [pin 1] ### U6 — [CN3791](https://www.flux.ai/lcsc/cn3791~b4en.md) - Role: Power Management - Manufacturer Name: CONSONANCE(上海如韵) - Operating Temperature: -40℃ to +85℃ - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1810010241_ShangHai-Consonance-Elec-CN3791_C154992.pdf - Role Details: Solar charger IC - Charging Voltage: 4.2V - placement-group: PowerBlock - Frequency: 300kHz - Max Input Voltage: 4.5V to 28V - Part Type: Battery Management ICs - JLCPCB Part Class: Extended Part - LCSC Part Number: C154992 - Product Info Url: https://lcsc.com/product-detail/PMIC-Battery-Management_CN3791_C154992.html - Package or Case Code: SSOP-10_L4.9-W3.9-P1.00-LS6.0-BL - Charging Currrent: 4A - Manufacturer Part Number: CN3791 **Pins:** - ~{CHRG} [pin 3] - ~{DONE} [pin 4] - BAT [pin 7] - COM [pin 5] - CSP [pin 8] - DRV [pin 10] - GND [pin 2] - MPPT [pin 6] - VCC [pin 9] - VG [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/bababababaaaa/unique-purple-tv-glasses~dy](https://www.flux.ai/bababababaaaa/unique-purple-tv-glasses~dy).* --- *Generated from [https://www.flux.ai/bababababaaaa/unique-purple-tv-glasses~dy](https://www.flux.ai/bababababaaaa/unique-purple-tv-glasses~dy)*