# hvacController ## Description HVAC System controller board. Features 4 10A250VAC relays (For power control), a BME680 for environmental monitoring and a 5v-35v driver to control up to 2 DC motors. #esp32 #iot ## Project Details - **Owner:** cosmoskiller - **Created:** 8/28/2023 - **Last Updated:** 3/2/2024 - **Visibility:** Public - **Domain Application:** Consumer Electronics - **Life Cycle Expectancy:** 10yrs - **Operating Temperature Range:** -10 to 70°C - **Number of output relay:** 4 - **Compliance:** RoHS, FCC, CE - **Human Interface:** Touchscreen, Buttons - **Wireless Protocol:** MQTT - **Operating Humidity:** 10 to 90% - **Form Factor:** Small gadget - **Connectivity:** WiFi - **Software:** ESP-IDF - **Antenna:** PCB Trace - **Operating Voltage:** 5V - **Number of sensors:** 1 - **Reliability:** 20,000hrs - **Stars:** 1 - **Copies:** 6 ## Key Components ### D1 — [1N4007W](https://www.flux.ai/vasy_skral/1n4007w~xpy.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811031612_Shandong-Jingdao-Microelectronics-1N4007W_C108803.pdf - Manufacturer Part Number: 1N4007W - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Diode - Manufacturer Name: Shandong Jingdao Microelectronics **Pins:** - A [pin 2] - K [pin 1] ### D10 — [1N4007](https://www.flux.ai/adrian95/1n4007~3wg.md) - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n4001.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Diode - Manufacturer Part Number: 1N4007 - Manufacturer Name: Yangjie Technology **Pins:** - anode [pin 2] - cathode [pin 1] ### D11 — [1N4007](https://www.flux.ai/adrian95/1n4007~3wg.md) - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n4001.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Yangjie Technology - Part Type: Diode - Manufacturer Part Number: 1N4007 **Pins:** - anode [pin 2] - cathode [pin 1] ### D12 — [1N4007](https://www.flux.ai/adrian95/1n4007~3wg.md) - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n4001.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Yangjie Technology - Manufacturer Part Number: 1N4007 - Part Type: Diode **Pins:** - anode [pin 2] - cathode [pin 1] ### D13 — [1N4007](https://www.flux.ai/adrian95/1n4007~3wg.md) - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n4001.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Yangjie Technology - Manufacturer Part Number: 1N4007 - Part Type: Diode **Pins:** - anode [pin 2] - cathode [pin 1] ### D14 — [1N4007](https://www.flux.ai/adrian95/1n4007~3wg.md) - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n4001.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 1N4007 - Part Type: Diode - Manufacturer Name: Yangjie Technology **Pins:** - anode [pin 2] - cathode [pin 1] ### D15 — [1N4007](https://www.flux.ai/adrian95/1n4007~3wg.md) - Manufacturer Part Number: 1N4007 - Part Type: Diode - Manufacturer Name: Yangjie Technology - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n4001.pdf **Pins:** - anode [pin 2] - cathode [pin 1] ### D16 — [1N4007](https://www.flux.ai/adrian95/1n4007~3wg.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n4001.pdf - Manufacturer Name: Yangjie Technology - Part Type: Diode - Manufacturer Part Number: 1N4007 **Pins:** - anode [pin 2] - cathode [pin 1] ### D2 — [LED](https://www.flux.ai/jharwinbarrozo/led-tht~gr.md) - Forward Voltage: 1.70 - Breakdown Voltage: 0V - Saturation Current: 93.2e-12A - Series Resistance: 0.42Ω - Emission Coefficient: 3.73 **Pins:** - A [pin 2] - K [pin 1] ### D3 — [1N4007W](https://www.flux.ai/vasy_skral/1n4007w~xpy.md) - Manufacturer Name: Shandong Jingdao Microelectronics - Part Type: Diode - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 1N4007W - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811031612_Shandong-Jingdao-Microelectronics-1N4007W_C108803.pdf **Pins:** - A [pin 2] - K [pin 1] ### D4 — [LED](https://www.flux.ai/jharwinbarrozo/led-tht~gr.md) - Forward Voltage: 1.70 - Breakdown Voltage: 0V - Saturation Current: 93.2e-12A - Series Resistance: 0.42Ω - Emission Coefficient: 3.73 **Pins:** - A [pin 2] - K [pin 1] ### D5 — [1N4007W](https://www.flux.ai/vasy_skral/1n4007w~xpy.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811031612_Shandong-Jingdao-Microelectronics-1N4007W_C108803.pdf - Manufacturer Part Number: 1N4007W - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Diode - Manufacturer Name: Shandong Jingdao Microelectronics **Pins:** - A [pin 2] - K [pin 1] ### D6 — [LED](https://www.flux.ai/jharwinbarrozo/led-tht~gr.md) - Series Resistance: 0.42Ω - Saturation Current: 93.2e-12A - Emission Coefficient: 3.73 - Breakdown Voltage: 0V - Forward Voltage: 1.70 **Pins:** - A [pin 2] - K [pin 1] ### D7 — [1N4007W](https://www.flux.ai/vasy_skral/1n4007w~xpy.md) - Manufacturer Name: Shandong Jingdao Microelectronics - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: 1N4007W - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811031612_Shandong-Jingdao-Microelectronics-1N4007W_C108803.pdf - Part Type: Diode **Pins:** - A [pin 2] - K [pin 1] ### D8 — [LED](https://www.flux.ai/jharwinbarrozo/led-tht~gr.md) - Breakdown Voltage: 0V - Forward Voltage: 1.70 - Emission Coefficient: 3.73 - Series Resistance: 0.42Ω - Saturation Current: 93.2e-12A **Pins:** - A [pin 2] - K [pin 1] ### D9 — [1N4007](https://www.flux.ai/adrian95/1n4007~3wg.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://diotec.com/tl_files/diotec/files/pdf/datasheets/1n4001.pdf - Manufacturer Name: Yangjie Technology - Part Type: Diode - Manufacturer Part Number: 1N4007 **Pins:** - anode [pin 2] - cathode [pin 1] ### H1 — [MountingHole 2.5mm Pad](https://www.flux.ai/adrian95/mountinghole-25mm-pad~u8w.md) - Manufacturer Part Number: MountingHole_Pad **Pins:** - 1 ### H2 — [MountingHole 2.5mm Pad](https://www.flux.ai/adrian95/mountinghole-25mm-pad~u8w.md) - Manufacturer Part Number: MountingHole_Pad **Pins:** - 1 ### IC1 — [BME680](https://www.flux.ai/vasyl/bme680~s5p.md) - Manufacturer Name: Bosch Sensortec - Part Type: Specialized Sensors - Manufacturer Part Number: BME680 - Datasheet URL: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme680-ds001.pdf **Pins:** - CSB [pin 2] - GND [pin 1] - GND [pin 7] - SCK [pin 4] - SDI [pin 3] - SDO [pin 5] - VDD [pin 8] - VDDIO [pin 6] ### J1 — [282837-3](https://www.flux.ai/vasy_skral/282837-3~ndb.md) - Manufacturer Part Number: 282837-3 - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English - Part Type: Connector - Manufacturer Name: TE Connectivity AMP Connectors **Pins:** - 1 - 2 - 3 ### J2 — [282837-3](https://www.flux.ai/vasy_skral/282837-3~ndb.md) - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English - Manufacturer Part Number: 282837-3 - Part Type: Connector - Manufacturer Name: TE Connectivity AMP Connectors **Pins:** - 1 - 2 - 3 ### J3 — [282837-3](https://www.flux.ai/vasy_skral/282837-3~ndb.md) - Manufacturer Part Number: 282837-3 - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English - Part Type: Connector - Manufacturer Name: TE Connectivity AMP Connectors **Pins:** - 1 - 2 - 3 ### J4 — [282837-3](https://www.flux.ai/vasy_skral/282837-3~ndb.md) - Part Type: Connector - Manufacturer Part Number: 282837-3 - Datasheet URL: https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=282837&DocType=Customer+Drawing&DocLang=English - Manufacturer Name: TE Connectivity AMP Connectors **Pins:** - 1 - 2 - 3 ### J5 — [TYPE-C-31-M-12](https://www.flux.ai/vasyl/type-c-31-m-12~tm.md) - Part Type: Connector - Manufacturer Name: ROHS - Manufacturer Part Number: TYPE-C-31-M-12 - Datasheet URL: https://www.snapeda.com/parts/TYPE-C-31-M-12/HRO%20Electronics%20Co.,%20Ltd./datasheet/ **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1B12] - GND__1 [pin B1A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin S1] - SHIELD__1 [pin S2] - SHIELD__2 [pin S3] - SHIELD__3 [pin S4] - VBUS [pin A4B9] - VBUS__1 [pin B4A9] ### J6 — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md) - Part Type: Connector - 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] ### J7 — [Pin Header 01x02 2.54mm Vertical](https://www.flux.ai/jharwinbarrozo/pin-header-01x02-254mm-vertical~4uy.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - P1 [pin 1] - P2 [pin 2] ### J8 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### J9 — [TerminalBlock-01x02P-3.50mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-350mm~mcc.md) - Part Type: Connector **Pins:** - P1 [pin 2] - P2 [pin 1] ### K1 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Manufacturer Part Number: SRD-05VDC-SL-C - Part Type: Relay - Manufacturer Name: Ningbo Songle Relay - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf **Pins:** - A1 - A2 - COM - NC - NO ### K2 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Part Type: Relay - Manufacturer Part Number: SRD-05VDC-SL-C - Manufacturer Name: Ningbo Songle Relay - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf **Pins:** - A1 - A2 - COM - NC - NO ### K3 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Manufacturer Name: Ningbo Songle Relay - Manufacturer Part Number: SRD-05VDC-SL-C - Part Type: Relay - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf **Pins:** - A1 - A2 - COM - NC - NO ### K4 — [SRD-05VDC-SL-C](https://www.flux.ai/vasy_skral/srd-05vdc-sl-c~go1.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Part Type: Relay - Manufacturer Part Number: SRD-05VDC-SL-C - Manufacturer Name: Ningbo Songle Relay **Pins:** - A1 - A2 - COM - NC - NO ### Q1 — [MMBT2222A](https://www.flux.ai/jecstronic/mmbt2222a~vwv.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/NextGen%20Components%20PDFs/MMBT2222A.pdf - Manufacturer Part Number: MMBT2222A - Beta / hFe: 100 - Leakage Current: 1e-13A - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: onsemi **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q2 — [MMBT2222A](https://www.flux.ai/jecstronic/mmbt2222a~vwv.md) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/NextGen%20Components%20PDFs/MMBT2222A.pdf - Manufacturer Part Number: MMBT2222A - Beta / hFe: 100 - Leakage Current: 1e-13A - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: onsemi **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q3 — [MMBT2222A](https://www.flux.ai/jecstronic/mmbt2222a~vwv.md) - Manufacturer Part Number: MMBT2222A - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/NextGen%20Components%20PDFs/MMBT2222A.pdf - Beta / hFe: 100 - Part Type: Transistor - Leakage Current: 1e-13A - Manufacturer Name: onsemi - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### Q4 — [MMBT2222A](https://www.flux.ai/jecstronic/mmbt2222a~vwv.md) - Leakage Current: 1e-13A - Part Type: Transistor - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: onsemi - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/NextGen%20Components%20PDFs/MMBT2222A.pdf - Manufacturer Part Number: MMBT2222A - Beta / hFe: 100 **Pins:** - B [pin 1] - C [pin 3] - E [pin 2] ### U1 — [ESP32-WROOM-32E](https://www.flux.ai/vasyl/esp32-wroom-32e~epi.md) - Manufacturer Part Number: ESP32-WROOM-32 - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32_datasheet_en.pdf - Part Type: Integrated Circuit **Pins:** - EN [pin 3] - GND [pin 15] - GND [pin 39] - GND [pin 38] - 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/IO3 [pin 34] - SCK/CLK [pin 20] - SCS/CMD [pin 19] - SDI/SD1 [pin 22] - SDO/SD0 [pin 21] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - SHD/SD2 [pin 17] - SWP/SD3 [pin 18] - TXD0/IO1 [pin 35] - VDD [pin 2] ### U2 — [L298N](https://www.flux.ai/vasy_skral/l298n~uhf.md) - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/82/cc/3f/39/0a/29/4d/f0/CD00000240.pdf/files/CD00000240.pdf/jcr:content/translations/en.CD00000240.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: STMicroelectronics - Manufacturer Part Number: L298N - Part Type: Integrated Circuit **Pins:** - ENA [pin 6] - ENB [pin 11] - GND [pin 8] - IN1 [pin 5] - IN2 [pin 7] - IN3 [pin 10] - IN4 [pin 12] - OUT1 [pin 2] - OUT2 [pin 3] - OUT3 [pin 13] - OUT4 [pin 14] - SENSE_A [pin 1] - SENSE_B [pin 15] - VS [pin 4] - VSS [pin 9] ### U3 — [AMS1117-3.3](https://www.flux.ai/vasy_skral/ams1117-33~34.md) - Manufacturer Part Number: AMS1117-3.3 - Manufacturer Name: AMS - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021917_Advanced-Monolithic-Systems-AMS1117_C6188.pdf - Part Type: Integrated Circuit **Pins:** - GND [pin 1] - TAB(VOUT) [pin 4] - VIN [pin 3] - VOUT [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/cosmoskiller/hvaccontroller~nb](https://www.flux.ai/cosmoskiller/hvaccontroller~nb).* --- *Generated from [https://www.flux.ai/cosmoskiller/hvaccontroller~nb](https://www.flux.ai/cosmoskiller/hvaccontroller~nb)*