# iot plant monitoring system ## Description Project Title: Plant Monitoring and Irrigation System Overview: This system is based on the ESP32-S3 and is designed to manage irrigation for a multi-floor building. Key Features: Multi-Floor Operation: The system controls three separate floors. Each floor's irrigation can be managed independently. Irrigation and Pump Control: Each floor uses a solenoid valve to regulate water flow. The solenoid valves are operated via MOSFETs. A relay engages an AC water pump when a MOSFET triggers a solenoid valve. Hardware Interconnects: Screw Terminal connectors are added for connecting the solenoid valves and the motor pump. A DC Jack is included to supply power to the system. User Interface & Connectivity: Two JST connectors are provided for integrating an OLED display, a rotary encoder, and a pushbutton. Future enhancements may include the addition of soil moisture sensors. Remote Control: The system is designed for future integration with Blynk IoT. Blynk IoT will offer both manual control and timer-based irrigation modes for each floor. ## Project Details - **Owner:** hemchand2025 - **Created:** 5/6/2025 - **Last Updated:** 5/18/2025 - **Visibility:** Public - **Transistor Type:** BJT - **Resistor Type:** Chip SMD - **Terminal Type:** jst - **Transistor Type:** MOSFET - **Operating Voltage:** 5V - **Connectivity:** WiFi - **Terminal Type:** screw terminal - **Copies:** 3 ## Key Components ### ac — [TerminalBlock-01x02P-5.00mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-500mm~h4.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### D1 — [1N4148WS-7](https://www.flux.ai/jecstronic/1n4148ws-7~ei.md) - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 1N4148WS-7 - Datasheet URL: https://www.mouser.com/datasheet/2/308/1N914BWS-D-1801390.pdf - Manufacturer Name: SMC Diode Solutions **Pins:** - A [pin 2] - K [pin 1] ### D2 — [SS14](https://www.flux.ai/jecstronic/ss14~ri4.md) - Manufacturer Name: Slkor(SLKORMICRO Elec.) - Part Type: Diode - Manufacturer Part Number: SS14 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf **Pins:** - Anode [pin A] - Cathode [pin C] ### D3 — [SS14](https://www.flux.ai/jecstronic/ss14~ri4.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SS14 - Part Type: Diode - Manufacturer Name: Slkor(SLKORMICRO Elec.) **Pins:** - Anode [pin A] - Cathode [pin C] ### D4 — [SS14](https://www.flux.ai/jecstronic/ss14~ri4.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - Part Type: Diode - Manufacturer Name: Slkor(SLKORMICRO Elec.) - Manufacturer Part Number: SS14 **Pins:** - Anode [pin A] - Cathode [pin C] ### D5 — [SS14](https://www.flux.ai/jecstronic/ss14~ri4.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: SS14 - Manufacturer Name: Slkor(SLKORMICRO Elec.) - Part Type: Diode **Pins:** - Anode [pin A] - Cathode [pin C] ### D6 — [S8MC-13](https://www.flux.ai/lcsc/s8mc-13~m8v3.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_Diodes-Incorporated-S8MC-13_C460946.pdf - Product Info Url: https://lcsc.com/product-detail/Diodes-General-Purpose_Diodes-Incorporated-S8MC-13_C460946.html - LCSC Part Number: C460946 - Manufacturer Part Number: S8MC-13 - JLCPCB Part Class: Extended Part - Manufacturer Name: DIODES(美台) - Part Type: Diodes - General Purpose - Package or Case Code: SMC_L6.9-W5.9-LS7.9-RD **Pins:** - A [pin 2] - K [pin 1] ### D7 — [SS14](https://www.flux.ai/jecstronic/ss14~ri4.md) - Manufacturer Part Number: SS14 - Manufacturer Name: Slkor(SLKORMICRO Elec.) - Part Type: Diode - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_Slkor-SLKORMICRO-Elec--SS14_C444721.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - Anode [pin A] - Cathode [pin C] ### J1 — [S12B-PH-K-S(LF)(SN)](https://www.flux.ai/jecstronic/s12b-ph-k-slfsn~o1.md) - Part Type: Connector - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - Manufacturer Name: JST Sales America Inc. - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: S12B-PH-K-S(LF)(SN) **Pins:** - Pin_1 [pin 1] - Pin_10 [pin 10] - Pin_11 [pin 11] - Pin_12 [pin 12] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] - Pin_7 [pin 7] - Pin_8 [pin 8] - Pin_9 [pin 9] ### J5 — [Barrel Jack 373](https://www.flux.ai/adrian95/barrel-jack-373~0vr.md) - Manufacturer Name: Adafruit - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector - Datasheet URL: https://cdn-shop.adafruit.com/datasheets/21mmdcjackDatasheet.pdf - Manufacturer Part Number: 373 **Pins:** - A [pin 1] - B [pin 2] - C [pin 3] ### J7 — [TYPE-C-31-M-12](https://www.flux.ai/vasy_skral/type-c-31-m-12~75f.md) - Part Type: Connector - Manufacturer Name: Korean Hroparts Elec - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: TYPE-C-31-M-12 - Symbol Style: Parametric - Datasheet URL: https://en.krhro.com/npublic/opdfjs/web/viewer.html?file=https%3A%2F%2Fomo-oss-file.thefastfile.com%2Fportal-saas%2Fnew2023011311465142457%2Fcms%2Ffile%2F95f41c83-14fa-41cb-9f86-8d6a717317e5.pdf **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin B1A12] - GND [pin A1B12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S3] - SHIELD [pin S1] - SHIELD [pin S4] - SHIELD [pin S2] - VBUS [pin B4A9] - VBUS [pin A4B9] ### K1 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Datasheet URL: https://www.circuitbasics.com/wp-content/uploads/2015/11/SRD-05VDC-SL-C-Datasheet.pdf - Manufacturer Part Number: SRD-05VDC-SL-C - Part Type: Relay - Manufacturer Name: Ningbo Songle Relay **Pins:** - A1 [pin A1] - A2 [pin A2] - COM [pin COM] - NC [pin NC] - NO [pin NO] ### LED1 — [LED 0805 (2012 Metric)](https://www.flux.ai/vasyl/led-0805-2012-metric~sr7.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [LED 0805 (2012 Metric)](https://www.flux.ai/vasyl/led-0805-2012-metric~sr7.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED3 — [LED 0805 (2012 Metric)](https://www.flux.ai/vasyl/led-0805-2012-metric~sr7.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED4 — [LED 0805 (2012 Metric)](https://www.flux.ai/vasyl/led-0805-2012-metric~sr7.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED5 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/led-0603-1608-metric~yk.md) - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### motor — [TerminalBlock-01x02P-5.00mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-500mm~h4.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### Q1 — [AO3400A](https://www.flux.ai/lcsc/ao3400a~e5y2.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Manufacturer Name: UMW(友台半导体) - Continuous Drain Current: 5.7A - Operating Temperature: -55 ~ +150℃ - Transistor Type: N-channel MOSFET - Power: 1.4W - Manufacturer Part Number: AO3400A - LCSC Part Number: C347475 - JLCPCB Part Class: Extended Part - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Drain to Source Voltage: 30V - Part Type: MOSFETs **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q2 — [AO3400A](https://www.flux.ai/lcsc/ao3400a~e5y2.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Manufacturer Name: UMW(友台半导体) - Continuous Drain Current: 5.7A - Transistor Type: N-channel MOSFET - Operating Temperature: -55 ~ +150℃ - Power: 1.4W - Manufacturer Part Number: AO3400A - LCSC Part Number: C347475 - JLCPCB Part Class: Extended Part - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Drain to Source Voltage: 30V - Part Type: MOSFETs **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q3 — [PC817XNNIP0F](https://www.flux.ai/adrian95/pc817xnnip0f~vow.md) - Manufacturer Part Number: PC817XNNIP0F - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Manufacturer Name: Sharp - Datasheet URL: https://www.tme.eu/Document/159707f5cad7f2e6b375b1f7bcc0c188/PC817XNNIP0F.pdf **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### Q4 — [AO3400A](https://www.flux.ai/lcsc/ao3400a~e5y2.md) - JLCPCB Part Class: Extended Part - Product Info Url: https://lcsc.com/product-detail/Others_Youtai-Semiconductor-Co-Ltd-AO3400A-5-8A_C347475.html - Package or Case Code: SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR - Drain to Source Voltage: 30V - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010301_UMW-Youtai-Semiconductor-Co---Ltd--AO3400A_C347475.pdf - Continuous Drain Current: 5.7A - Manufacturer Name: UMW(友台半导体) - Operating Temperature: -55 ~ +150℃ - Transistor Type: N-channel MOSFET - Power: 1.4W - LCSC Part Number: C347475 - Manufacturer Part Number: AO3400A - Part Type: MOSFETs **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### Q5 — [BC847,215](https://www.flux.ai/jecstronic/bc847215~xyd.md) - Manufacturer Part Number: BC847,215 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Transistor - Manufacturer Name: Nexperia USA Inc. - Datasheet URL: https://assets.nexperia.com/documents/data-sheet/BC847_SER.pdf **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### U1 — [ESP32-S3-WROOM-1-N8R8](https://www.flux.ai/adrian95/esp32-s3-wroom-1-n8r8~na1.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Espressif Systems - Manufacturer Part Number: ESP32-S3-WROOM-1-N8R8 - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf - Part Type: Module **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 41_9] - GND [pin 41_6] - GND [pin 41_4] - GND [pin 41_2] - GND [pin 41_3] - GND [pin 41_5] - GND [pin 40] - GND [pin 41_1] - GND [pin 1] - GND [pin 41_8] - GND [pin 41_7] - IO0 [pin 27] - IO1 [pin 39] - IO10 [pin 18] - IO11 [pin 19] - IO12 [pin 20] - IO13 [pin 21] - IO14 [pin 22] - IO15 [pin 8] - IO16 [pin 9] - IO17 [pin 10] - IO18 [pin 11] - IO19 [pin 13] - IO2 [pin 38] - IO20 [pin 14] - IO21 [pin 23] - IO3 [pin 15] - IO35 [pin 28] - IO36 [pin 29] - IO37 [pin 30] - IO38 [pin 31] - IO39 [pin 32] - IO4 [pin 4] - IO40 [pin 33] - IO41 [pin 34] - IO42 [pin 35] - IO45 [pin 26] - IO46 [pin 16] - IO47 [pin 24] - IO48 [pin 25] - IO5 [pin 5] - IO6 [pin 6] - IO7 [pin 7] - IO8 [pin 12] - IO9 [pin 17] - RXD0 [pin 36] - TXD0 [pin 37] ### U3 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33~34.md) - Symbol Style: Parametric - Datasheet URL: http://www.advanced-monolithic.com/pdf/ds1117.pdf - Manufacturer Part Number: AMS1117-3.3 - Manufacturer Name: AMS - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - GND [pin 1] - TAB(VOUT) [pin 4] - VIN [pin 3] - VOUT [pin 2] ### U4 — [SRV05-4](https://www.flux.ai/kicad-part-library/srv05-4~j2.md) - Datasheet URL: http://www.onsemi.com/pub/Collateral/SRV05-4-D.PDF - Manufacturer Part Number: SRV05-4 - Package or Case Code: SOT-23-6 - Manufacturer Name: Littelfuse **Pins:** - IO1 [pin 1] - IO2 [pin 3] - IO3 [pin 4] - IO4 [pin 6] - VN [pin 2] - VP [pin 5] ### valve-1 — [TerminalBlock-01x02P-5.00mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-500mm~h4.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### valve-2 — [TerminalBlock-01x02P-5.00mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-500mm~h4.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### valve-3 — [TerminalBlock-01x02P-5.00mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-500mm~h4.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/hemchand2025/iot-plant-monitoring-system~1z](https://www.flux.ai/hemchand2025/iot-plant-monitoring-system~1z).* --- *Generated from [https://www.flux.ai/hemchand2025/iot-plant-monitoring-system~1z](https://www.flux.ai/hemchand2025/iot-plant-monitoring-system~1z)*