# Conexion esp mqtt ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** sebastian862 - **Created:** 5/6/2025 - **Last Updated:** 7/9/2025 - **Visibility:** Public ## Key Components ### — [Push Button](https://www.flux.ai/mars-mark/push-button.md) - Part Type: Foot Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf **Pins:** - P1 [pin 1] - P2 [pin 3] ### — [Push Button](https://www.flux.ai/mars-mark/push-button.md) - Part Type: Foot Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf **Pins:** - P1 [pin 1] - P2 [pin 3] ### Q1 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Manufacturer Name: BLUE ROCKET(蓝箭) - Power: 2W - Collector-emitter voltage: 100V - Transistor Type: NPN - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - JLCPCB Part Class: Extended Part - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Collector Current: 5A - Part Type: Darlington Transistors - Manufacturer Part Number: TIP122 - DC current gain: 1000@3V,3A - LCSC Part Number: C358524 **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q10 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Transistor Type: NPN - Power: 2W - Collector-emitter voltage: 100V - Manufacturer Name: BLUE ROCKET(蓝箭) - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Manufacturer Part Number: TIP122 - Part Type: Darlington Transistors - Collector Current: 5A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - DC current gain: 1000@3V,3A - LCSC Part Number: C358524 **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q11 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Transistor Type: NPN - Power: 2W - Collector-emitter voltage: 100V - Manufacturer Name: BLUE ROCKET(蓝箭) - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - DC current gain: 1000@3V,3A - Manufacturer Part Number: TIP122 - Part Type: Darlington Transistors - Collector Current: 5A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - LCSC Part Number: C358524 **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q12 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - JLCPCB Part Class: Extended Part - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Collector-emitter voltage: 100V - Power: 2W - Manufacturer Name: BLUE ROCKET(蓝箭) - Transistor Type: NPN - LCSC Part Number: C358524 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Manufacturer Part Number: TIP122 - Part Type: Darlington Transistors - Collector Current: 5A - DC current gain: 1000@3V,3A **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q13 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - JLCPCB Part Class: Extended Part - Manufacturer Name: BLUE ROCKET(蓝箭) - Power: 2W - Collector-emitter voltage: 100V - Transistor Type: NPN - LCSC Part Number: C358524 - DC current gain: 1000@3V,3A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Part Type: Darlington Transistors - Collector Current: 5A - Manufacturer Part Number: TIP122 **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q14 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Collector Current: 5A - Part Type: Darlington Transistors - Manufacturer Part Number: TIP122 - DC current gain: 1000@3V,3A - LCSC Part Number: C358524 - Manufacturer Name: BLUE ROCKET(蓝箭) - Collector-emitter voltage: 100V - Power: 2W - Transistor Type: NPN - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - JLCPCB Part Class: Extended Part - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q15 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Part Type: Darlington Transistors - Collector Current: 5A - Manufacturer Part Number: TIP122 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - DC current gain: 1000@3V,3A - LCSC Part Number: C358524 - Transistor Type: NPN - Manufacturer Name: BLUE ROCKET(蓝箭) - Collector-emitter voltage: 100V - Power: 2W - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q16 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - DC current gain: 1000@3V,3A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Manufacturer Part Number: TIP122 - Part Type: Darlington Transistors - Collector Current: 5A - LCSC Part Number: C358524 - Collector-emitter voltage: 100V - Power: 2W - Manufacturer Name: BLUE ROCKET(蓝箭) - Transistor Type: NPN - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - JLCPCB Part Class: Extended Part **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q17 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - LCSC Part Number: C358524 - DC current gain: 1000@3V,3A - Collector Current: 5A - Part Type: Darlington Transistors - Manufacturer Part Number: TIP122 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - Transistor Type: NPN - Manufacturer Name: BLUE ROCKET(蓝箭) - Collector-emitter voltage: 100V - Power: 2W **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q18 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Transistor Type: NPN - Power: 2W - Collector-emitter voltage: 100V - Manufacturer Name: BLUE ROCKET(蓝箭) - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - DC current gain: 1000@3V,3A - Manufacturer Part Number: TIP122 - Part Type: Darlington Transistors - Collector Current: 5A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - LCSC Part Number: C358524 **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q19 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - LCSC Part Number: C358524 - DC current gain: 1000@3V,3A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Manufacturer Part Number: TIP122 - Part Type: Darlington Transistors - Collector Current: 5A - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - JLCPCB Part Class: Extended Part - Power: 2W - Collector-emitter voltage: 100V - Manufacturer Name: BLUE ROCKET(蓝箭) - Transistor Type: NPN **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q2 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Transistor Type: NPN - Power: 2W - Collector-emitter voltage: 100V - Manufacturer Name: BLUE ROCKET(蓝箭) - LCSC Part Number: C358524 - Manufacturer Part Number: TIP122 - Part Type: Darlington Transistors - Collector Current: 5A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - DC current gain: 1000@3V,3A **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q20 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - LCSC Part Number: C358524 - Manufacturer Part Number: TIP122 - Collector Current: 5A - Part Type: Darlington Transistors - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - DC current gain: 1000@3V,3A - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Transistor Type: NPN - Collector-emitter voltage: 100V - Power: 2W - Manufacturer Name: BLUE ROCKET(蓝箭) **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q21 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Transistor Type: NPN - Collector-emitter voltage: 100V - Power: 2W - Manufacturer Name: BLUE ROCKET(蓝箭) - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Manufacturer Part Number: TIP122 - Collector Current: 5A - Part Type: Darlington Transistors - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - DC current gain: 1000@3V,3A - LCSC Part Number: C358524 **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q22 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - LCSC Part Number: C358524 - DC current gain: 1000@3V,3A - Part Type: Darlington Transistors - Collector Current: 5A - Manufacturer Part Number: TIP122 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - Transistor Type: NPN - Manufacturer Name: BLUE ROCKET(蓝箭) - Collector-emitter voltage: 100V - Power: 2W **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q23 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Transistor Type: NPN - Power: 2W - Collector-emitter voltage: 100V - Manufacturer Name: BLUE ROCKET(蓝箭) - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Manufacturer Part Number: TIP122 - Collector Current: 5A - Part Type: Darlington Transistors - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - DC current gain: 1000@3V,3A - LCSC Part Number: C358524 **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q24 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Power: 2W - Collector-emitter voltage: 100V - Manufacturer Name: BLUE ROCKET(蓝箭) - Transistor Type: NPN - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - JLCPCB Part Class: Extended Part - DC current gain: 1000@3V,3A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Manufacturer Part Number: TIP122 - Part Type: Darlington Transistors - Collector Current: 5A - LCSC Part Number: C358524 **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q3 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Transistor Type: NPN - Manufacturer Name: BLUE ROCKET(蓝箭) - Collector-emitter voltage: 100V - Power: 2W - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - DC current gain: 1000@3V,3A - Part Type: Darlington Transistors - Collector Current: 5A - Manufacturer Part Number: TIP122 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - LCSC Part Number: C358524 **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q4 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - Transistor Type: NPN - Manufacturer Name: BLUE ROCKET(蓝箭) - Power: 2W - Collector-emitter voltage: 100V - LCSC Part Number: C358524 - DC current gain: 1000@3V,3A - Part Type: Darlington Transistors - Collector Current: 5A - Manufacturer Part Number: TIP122 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q5 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - JLCPCB Part Class: Extended Part - Collector-emitter voltage: 100V - Power: 2W - Manufacturer Name: BLUE ROCKET(蓝箭) - Transistor Type: NPN - LCSC Part Number: C358524 - DC current gain: 1000@3V,3A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Manufacturer Part Number: TIP122 - Part Type: Darlington Transistors - Collector Current: 5A **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q6 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - DC current gain: 1000@3V,3A - Collector Current: 5A - Part Type: Darlington Transistors - Manufacturer Part Number: TIP122 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - LCSC Part Number: C358524 - Transistor Type: NPN - Manufacturer Name: BLUE ROCKET(蓝箭) - Collector-emitter voltage: 100V - Power: 2W - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q7 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - DC current gain: 1000@3V,3A - Manufacturer Part Number: TIP122 - Collector Current: 5A - Part Type: Darlington Transistors - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - LCSC Part Number: C358524 - Transistor Type: NPN - Power: 2W - Collector-emitter voltage: 100V - Manufacturer Name: BLUE ROCKET(蓝箭) - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q8 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - LCSC Part Number: C358524 - DC current gain: 1000@3V,3A - Manufacturer Part Number: TIP122 - Part Type: Darlington Transistors - Collector Current: 5A - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - Transistor Type: NPN - Collector-emitter voltage: 100V - Power: 2W - Manufacturer Name: BLUE ROCKET(蓝箭) **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### Q9 — [TIP122](https://www.flux.ai/lcsc/tip122.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Foshan-Blue-Rocket-Elec-TIP122_C358524.pdf - Manufacturer Part Number: TIP122 - Part Type: Darlington Transistors - Collector Current: 5A - DC current gain: 1000@3V,3A - LCSC Part Number: C358524 - Power: 2W - Collector-emitter voltage: 100V - Manufacturer Name: BLUE ROCKET(蓝箭) - Transistor Type: NPN - Product Info Url: https://lcsc.com/product-detail/Others_Foshan-Blue-Rocket-Elec-TIP122_C358524.html - JLCPCB Part Class: Extended Part - Package or Case Code: TO-220-3_L10.0-W4.5-P2.54-L **Pins:** - B [pin 1] - C [pin 2] - E [pin 3] ### U1 — [ESP32-DEVKITC-32D](https://www.flux.ai/vasyl/esp32-devkitc-32d.md) - Part Type: RF Moule - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.snapeda.com/parts/ESP32-DEVKITC-32D/Espressif%20Systems/datasheet/ - Manufacturer Part Number: ESP32-DEVKITC-32D **Pins:** - 3V3 [pin 1] - CLK [pin 38] - CMD [pin 18] - EN [pin 2] - EXT_5V [pin 19] - GND1 [pin 14] - GND2 [pin 26] - GND3 [pin 20] - IO0 [pin 33] - IO12 [pin 13] - IO13 [pin 15] - IO14 [pin 12] - IO15 [pin 35] - IO16 [pin 31] - IO17 [pin 30] - IO18 [pin 28] - IO19 [pin 27] - IO2 [pin 34] - IO21 [pin 25] - IO22 [pin 22] - IO23 [pin 21] - IO25 [pin 9] - IO26 [pin 10] - IO27 [pin 11] - IO32 [pin 7] - IO33 [pin 8] - IO34 [pin 5] - IO35 [pin 6] - IO4 [pin 32] - IO5 [pin 29] - RXD0 [pin 24] - SD0 [pin 37] - SD1 [pin 36] - SD2 [pin 16] - SD3 [pin 17] - SENSOR_VN [pin 4] - SENSOR_VP [pin 3] - TXD0 [pin 23] ### U2 — [SN74HC259NSR](https://www.flux.ai/lcsc/sn74hc259nsr.md) - Part Type: Latches - Package or Case Code: SO-16_L10.2-W5.3-P1.27-LS7.8-BL-1 - LCSC Part Number: C2865236 - Manufacturer Part Number: SN74HC259NSR - Manufacturer Name: TI(德州仪器) **Pins:** - ~{CLR} [pin 15] - ~{G} [pin 14] - D [pin 13] - GND [pin 8] - Q0 [pin 4] - Q1 [pin 5] - Q2 [pin 6] - Q3 [pin 7] - Q4 [pin 9] - Q5 [pin 10] - Q6 [pin 11] - Q7 [pin 12] - S0 [pin 1] - S1 [pin 2] - S2 [pin 3] - VCC [pin 16] ### U3 — [SN74HC259NSR](https://www.flux.ai/lcsc/sn74hc259nsr.md) - LCSC Part Number: C2865236 - Package or Case Code: SO-16_L10.2-W5.3-P1.27-LS7.8-BL-1 - Part Type: Latches - Manufacturer Part Number: SN74HC259NSR - Manufacturer Name: TI(德州仪器) **Pins:** - ~{CLR} [pin 15] - ~{G} [pin 14] - D [pin 13] - GND [pin 8] - Q0 [pin 4] - Q1 [pin 5] - Q2 [pin 6] - Q3 [pin 7] - Q4 [pin 9] - Q5 [pin 10] - Q6 [pin 11] - Q7 [pin 12] - S0 [pin 1] - S1 [pin 2] - S2 [pin 3] - VCC [pin 16] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/sebastian862/conexion-esp-mqtt](https://www.flux.ai/sebastian862/conexion-esp-mqtt).* --- *Generated from [https://www.flux.ai/sebastian862/conexion-esp-mqtt](https://www.flux.ai/sebastian862/conexion-esp-mqtt)*