# SC - Selection-2 ## Description The EcoSense IoT Environmental Monitor will measure temperature and air quality, providing real-time data to users through a mobile app or web interface. The device will be compact, easy to install, and user-friendly, offering insights into the indoor environmental conditions to promote health and well-being. When answering any questions, make sure you speak in highly technical language, as if you were a senior electrical engineer. ## Project Details - **Owner:** nico - **Created:** 3/8/2024 - **Last Updated:** 3/8/2024 - **Visibility:** Public - **Capacitor Derating:** Derate max voltage to 60% - **Power Requirements:** Rechargeable battery with a USB-C charging port. - **Humidity:** 10% to 90% non-condensing - **Battery Life:** Minimum of 30 days on a single charge under normal usage. - **Operating Temperature:** -10°C to 50°C - **Sensors:** High-precision temperature sensor, PM2.5 sensor, VOC sensor, and CO2 sensor. - **Connectivity:** Wi-Fi 802.11 b/g/n - **Accuracy:** Temperature sensor accuracy of ±0.5°C, PM2.5 sensor accuracy within ±10 µg/m³ - **Resistor Tolerance:** All resistors should be 1% - **Copies:** 1 ## Key Components ### J1 — [USB TYPE C](https://www.flux.ai/jecstronic/usb-type-c.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: USB C **Pins:** - CC1 [pin A5] - CC2 [pin B5] - D- [pin B7] - D- [pin A7] - D+ [pin A6] - D+ [pin B6] - GND [pin A1_B12] - GND [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHELL_GND [pin S3] - SHELL_GND [pin S1] - SHELL_GND [pin S4] - SHELL_GND [pin S2] - VBUS [pin B4_A9] - VBUS [pin A4_B9] ### J5 — [BATTERY](https://www.flux.ai/adrian95/battery.md) - Part Type: Connector **Pins:** - P1 - P2 ### U1 — [STM32L476ZGT6P](https://www.flux.ai/vasyl/stm32l476zgt6p.md) - Part Type: Microcontroller - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/c5/ed/2f/60/aa/79/42/0b/DM00108832.pdf/files/DM00108832.pdf/jcr:content/translations/en.DM00108832.pdf - Manufacturer Name: STMicroelectronics - Manufacturer Part Number: STM32L476ZGT6P **Pins:** - BOOT0 [pin 137] - NRST [pin 25] - PA0 [pin 34] - PA1 [pin 35] - PA10 [pin 102] - PA11 [pin 103] - PA12 [pin 104] - PA13 [pin 105] - PA14 [pin 109] - PA15 [pin 110] - PA2 [pin 36] - PA3 [pin 37] - PA4 [pin 40] - PA5 [pin 41] - PA6 [pin 42] - PA7 [pin 43] - PA8 [pin 100] - PA9 [pin 101] - PB0 [pin 46] - PB1 [pin 47] - PB10 [pin 69] - PB12 [pin 73] - PB13 [pin 74] - PB14 [pin 75] - PB15 [pin 76] - PB2 [pin 48] - PB3 [pin 132] - PB4 [pin 133] - PB5 [pin 134] - PB6 [pin 135] - PB7 [pin 136] - PB8 [pin 138] - PB9 [pin 139] - PC0 [pin 26] - PC1 [pin 27] - PC10 [pin 111] - PC11 [pin 112] - PC12 [pin 113] - PC13 [pin 7] - PC14 [pin 8] - PC15 [pin 9] - PC2 [pin 28] - PC3 [pin 29] - PC4 [pin 44] - PC5 [pin 45] - PC6 [pin 96] - PC7 [pin 97] - PC8 [pin 98] - PC9 [pin 99] - PD0 [pin 114] - PD1 [pin 115] - PD10 [pin 79] - PD11 [pin 80] - PD12 [pin 81] - PD13 [pin 82] - PD14 [pin 85] - PD15 [pin 86] - PD2 [pin 116] - PD3 [pin 117] - PD4 [pin 118] - PD5 [pin 119] - PD6 [pin 122] - PD7 [pin 123] - PD8 [pin 77] - PD9 [pin 78] - PE0 [pin 140] - PE1 [pin 141] - PE10 [pin 63] - PE11 [pin 64] - PE12 [pin 65] - PE13 [pin 66] - PE14 [pin 67] - PE15 [pin 68] - PE2 [pin 1] - PE3 [pin 2] - PE4 [pin 3] - PE5 [pin 4] - PE6 [pin 5] - PE7 [pin 58] - PE8 [pin 59] - PE9 [pin 60] - PF0 [pin 10] - PF1 [pin 11] - PF10 [pin 22] - PF11 [pin 49] - PF12 [pin 50] - PF13 [pin 53] - PF14 [pin 54] - PF15 [pin 55] - PF2 [pin 12] - PF3 [pin 13] - PF4 [pin 14] - PF5 [pin 15] - PF6 [pin 18] - PF7 [pin 19] - PF8 [pin 20] - PF9 [pin 21] - PG0 [pin 56] - PG1 [pin 57] - PG10 [pin 125] - PG11 [pin 126] - PG12 [pin 127] - PG13 [pin 128] - PG14 [pin 129] - PG2 [pin 87] - PG3 [pin 88] - PG4 [pin 89] - PG5 [pin 90] - PG6 [pin 91] - PG7 [pin 92] - PG8 [pin 93] - PG9 [pin 124] - PH0 [pin 23] - PH1 [pin 24] - VBAT [pin 6] - VDD [pin 108] - VDD [pin 144] - VDD [pin 39] - VDD [pin 17] - VDD [pin 84] - VDD [pin 121] - VDD [pin 62] - VDD [pin 72] - VDD [pin 52] - VDD12 [pin 70] - VDD12 [pin 142] - VDDA [pin 33] - VDDIO2 [pin 95] - VDDIO2 [pin 131] - VDDUSB [pin 106] - VREF- [pin 31] - VREF+ [pin 32] - VSS [pin 120] - VSS [pin 130] - VSS [pin 107] - VSS [pin 61] - VSS [pin 16] - VSS [pin 94] - VSS [pin 83] - VSS [pin 143] - VSS [pin 51] - VSS [pin 38] - VSS [pin 71] - VSSA [pin 30] ### U2 — [NORA-W106](https://www.flux.ai/vasy_skral/nora-w106.md) - Manufacturer Part Number: NORA-W106-00B - Manufacturer Name: U-blox - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Datasheet URL: https://content.u-blox.com/sites/default/files/documents/NORA-W10_DataSheet_UBX-21036702.pdf **Pins:** - FSIPIIO7/GPIO13 [pin A6] - FSPICLK/GPIO36 [pin B1] - FSPICS0/GPIO34 [pin B3] - FSPID/GPIO35 [pin C2] - FSPIDQS/GPIO14 [pin A5] - FSPIHD/GPIO33 [pin D3] - FSPIIO4/GPIO10 [pin H3] - FSPIIO5/GPIO11 [pin G3] - FSPIIO6/GPIO12 [pin G2] - FSPIQ/GPIO37 [pin C1] - FSPIWP/GPIO38 [pin A2] - GND [pin M9] - GND [pin M1] - GND [pin F5] - GND [pin E4] - GND [pin K5] - GND [pin K8] - GND [pin E5] - GND [pin M2] - GND [pin M8] - GND [pin A9] - GND [pin B8] - GND [pin L9] - GND [pin F4] - GND [pin B2] - GND [pin A1] - GND [pin K2] - GND [pin K7] - GND [pin K3] - GND [pin L1] - GPIO0/BOOT [pin F7] - GPIO1 [pin E8] - GPIO18 [pin B4] - GPIO2 [pin H8] - GPIO21 [pin C8] - GPIO3 [pin J9] - GPIO4 [pin D8] - GPIO45 [pin F8] - GPIO46 [pin H7] - GPIO5 [pin J8] - GPIO6 [pin F9] - GPIO7 [pin E9] - GPIO8 [pin H9] - GPIO9 [pin E7] - GPJIO17 [pin A3] - JTAG_TCK/GPIO39 [pin J2] - JTAG_TDI/GPIO41 [pin H1] - JTAG_TMS/GPIO42 [pin H2] - MTDO/GPIO40 [pin G1] - NC [pin J4] - NC [pin K9] - NC [pin C5] - NC [pin A4] - NC [pin J7] - NC [pin B9] - NC [pin J5] - NC [pin G7] - NC [pin D7] - NC [pin G4] - NC [pin G5] - NC [pin B5] - NC [pin K1] - RESET_N [pin J3] - SPICLK [pin F1] - SPICLK_N/GPIO48 [pin E3] - SPICLK_P/GPIO47 [pin F3] - SPICS0 [pin C4] - SPICS1 [pin E1] - SPID [pin D2] - SPIHD [pin F2] - SPIQ [pin E2] - SPIWP [pin D1] - U0RXD/GPIO44 [pin G9] - U0TXD/GPIO43 [pin G8] - USB_N/GPIO19 [pin D9] - USB_P/GPIO20 [pin C9] - VCC [pin A8] - VCCIO [pin A7] - VCCIO [pin B7] - VDD_SPI [pin J1] - XTAL_32K_N/GPIO16 [pin B6] - XTAL_32K_P/GPIO15 [pin C6] ### U3 — [BME280](https://www.flux.ai/vasy_skral/bme280.md) - Part Type: Integrated Circuit - Manufacturer Name: Bosch Sensortec - Datasheet URL: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf - Manufacturer Part Number: BME280 **Pins:** - CSB [pin 2] - GND [pin 7] - GND [pin 1] - SCK [pin 4] - SDI [pin 3] - SDO [pin 5] - VDD [pin 8] - VDDIO [pin 6] ### U4 — [PMS5003](https://www.flux.ai/vasy_skral/pms5003.md) - Manufacturer Name: Plantower - Datasheet URL: https://cdn-shop.adafruit.com/product-files/3686/plantower-pms5003-manual_v2-3.pdf - Package or Case Code: Module - Part Type: Sensor - Manufacturer Part Number: PMS5003 **Pins:** - GND - RST - RX - SET - TX - VCC ### U5 — [SCD41-D-R1](https://www.flux.ai/adrian95/scd41-d-r1.md) - Datasheet URL: https://www.mouser.com/datasheet/2/682/Sensirion_CD_DS_SCD40_SCD41_Datasheet_D1-3305949.pdf - Part Type: Sensor - Manufacturer Name: Sensirion AG - Manufacturer Part Number: SCD41-D-R1 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - DNC_1 [pin 1] - DNC_10 [pin 14] - DNC_11 [pin 15] - DNC_12 [pin 16] - DNC_13 [pin 17] - DNC_14 [pin 18] - DNC_2 [pin 2] - DNC_3 [pin 3] - DNC_4 [pin 4] - DNC_5 [pin 5] - DNC_6 [pin 8] - DNC_7 [pin 11] - DNC_8 [pin 12] - DNC_9 [pin 13] - GND_1 [pin 6] - GND_2 [pin 20] - GND_3 [pin 21] - SCL [pin 9] - SDA [pin 10] - VDD [pin 7] - VDDH [pin 19] ### U6 — [LTC3401EMS#TRPBF](https://www.flux.ai/vasy_skral/ltc3401emstrpbf.md) - Manufacturer Part Number: LTC3401EMS#TRPBF - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/3401fb.pdf - Manufacturer Name: Analog Devices - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit **Pins:** - *SHDN [pin 10] - FB [pin 8] - GND [pin 5] - MODE [pin 2] - PGOOD [pin 6] - RT [pin 1] - SW [pin 4] - VC [pin 9] - VIN [pin 3] - VOUT [pin 7] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/nico/sc-selection-2](https://www.flux.ai/nico/sc-selection-2).* --- *Generated from [https://www.flux.ai/nico/sc-selection-2](https://www.flux.ai/nico/sc-selection-2)*