# E-ink Air Quality Monitor ## Description Air quality monitor using e-ink ## Project Details - **Owner:** oliviali - **Created:** 3/9/2025 - **Last Updated:** 3/10/2025 - **Visibility:** Public ## Key Components ### D1 — [LESD5D5.0CT1G](https://www.flux.ai/vasy_skral/lesd5d50ct1g.md) - Part Type: Diode - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_LRC-LESD5D5-0CT1G_C383211.pdf - Manufacturer Name: LRC - Manufacturer Part Number: LESD5D5.0CT1G **Pins:** - A1 [pin 1] - A2 [pin 2] ### D2 — [LESD5D5.0CT1G](https://www.flux.ai/vasy_skral/lesd5d50ct1g.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_LRC-LESD5D5-0CT1G_C383211.pdf - Manufacturer Name: LRC - Manufacturer Part Number: LESD5D5.0CT1G - Part Type: Diode **Pins:** - A1 [pin 1] - A2 [pin 2] ### D3 — [LESD5D5.0CT1G](https://www.flux.ai/vasy_skral/lesd5d50ct1g.md) - Part Type: Diode - Manufacturer Name: LRC - Manufacturer Part Number: LESD5D5.0CT1G - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_LRC-LESD5D5-0CT1G_C383211.pdf **Pins:** - A1 [pin 1] - A2 [pin 2] ### D4 — [1N5819HW-7-F](https://www.flux.ai/jecstronic/1n5819hw-7-f.md) - Datasheet URL: https://www.diodes.com/assets/Datasheets/ds30217.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Diode - Manufacturer Part Number: 1N5819HW-7-F - Manufacturer Name: Diodes Incorporated **Pins:** - A [pin 2] - K [pin 1] ### J1 — [USB-C 2.0 Receptacle](https://www.flux.ai/corynrobinson/usb-c-20-receptacle.md) - Manufacturer Name: GTC - Datasheet URL: https://gct.co/files/drawings/usb4105.pdf - Part Type: USB C - Manufacturer Part Number: USB4105-GF-A - Purchase Url: https://www.digikey.com/en/products/detail/gct/USB4105-GF-A/11198441 **Pins:** - CC1 [pin 6] - CC2 [pin 12] - D- [pin 7] - D- [pin 9] - D+ [pin 10] - D+ [pin 8] - GND [pin 1] - GND [pin 16] - GND [pin 15] - GND [pin 2] - SBU1 [pin 11] - SBU2 [pin 5] - VBUS [pin 3] - VBUS [pin 14] - VBUS [pin 4] - VBUS [pin 13] ### U1 — [ESP32-WROOM-32D](https://www.flux.ai/vasyl/esp32-wroom-32d.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Espressif Systems - Manufacturer Part Number: ESP32-WROOM-32D - Part Type: Microcontroller - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf **Pins:** - 3.3V [pin 2] - AGND [pin 39] - CLK [pin 20] - CMD [pin 19] - EN [pin 3] - GND [pin 38] - GND [pin 15] - 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 [pin 34] - SD0 [pin 21] - SD1 [pin 22] - SD2 [pin 17] - SD3 [pin 18] - TXD0 [pin 35] - VN [pin 5] - VP [pin 4] ### U2 — [SGP40-D-R4](https://www.flux.ai/jecstronic/sgp40-d-r4.md) - Datasheet URL: https://sensirion.com/media/documents/296373BB/6203C5DF/Sensirion_Gas_Sensors_Datasheet_SGP40.pdf - Part Type: Sensor - Manufacturer Part Number: SGP40-D-R4 - Manufacturer Name: Sensirion AG **Pins:** - GND - NA - SCL - SDA - VDD - VDDH - VSS ### U3 — [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 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Sensirion AG - Part Type: Sensor - Manufacturer Part Number: SCD41-D-R1 **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] ### U5 — [TLV76733DRVR](https://www.flux.ai/adrian95/tlv76733drvr.md) - Manufacturer Part Number: TLV76733DRVR - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/lit/ds/symlink/tlv767.pdf - Manufacturer Name: Texas Instruments **Pins:** - EN [pin 4] - EP [pin 7] - GND [pin 3] - GND [pin 5] - IN [pin 6] - OUT [pin 1] - SNS [pin 2] ### U6 — [ESP32-C6-WROOM-1-N4](https://www.flux.ai/adrian95/esp32-c6-wroom-1-n4.md) - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-c6-wroom-1-wroom-1u_datasheet_en.pdf - Part Type: Module - Manufacturer Part Number: ESP32-C6-WROOM-1-N4 - Manufacturer Name: Espressif Systems - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND_1 [pin 1] - GND_10 [pin 36] - GND_11 [pin 37] - GND_2 [pin 28] - GND_3 [pin 29] - GND_4 [pin 30] - GND_5 [pin 31] - GND_6 [pin 32] - GND_7 [pin 33] - GND_8 [pin 34] - GND_9 [pin 35] - IO0 [pin 8] - IO1 [pin 9] - IO10 [pin 11] - IO11 [pin 12] - IO12 [pin 13] - IO13 [pin 14] - IO15 [pin 23] - IO18 [pin 16] - IO19 [pin 17] - IO2 [pin 27] - IO20 [pin 18] - IO21 [pin 19] - IO22 [pin 20] - IO23 [pin 21] - IO3 [pin 26] - IO4 [pin 4] - IO5 [pin 5] - IO6 [pin 6] - IO7 [pin 7] - IO8 [pin 10] - IO9 [pin 15] - NC [pin 22] - RXD0 [pin 24] - TXD0 [pin 25] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/oliviali/e-ink-air-quality-monitor](https://www.flux.ai/oliviali/e-ink-air-quality-monitor).* --- *Generated from [https://www.flux.ai/oliviali/e-ink-air-quality-monitor](https://www.flux.ai/oliviali/e-ink-air-quality-monitor)*