Home air monitor

1 year ago 786
  • Description
  • Documents
  • BOM
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Description

Home air monitor is based on the development board NodeMCU (CP2102 version). It includes a temperature sensor - ds18b20, a humidity sensor - HTU21D, a carbon dioxide sensor MNH-Z19. It is also possible to connect one more i2c sensor and a radio module to 433 MHz. Enclosure https://ru.aliexpress.com/item/1-piece-80-80-27mm-plastic-box-for-electronics-project-szomk-hot-sales-humidity-sensor-junction/32684586484.html?spm=a2g0s.9042311.0.0.54d133edNO9VGt

Documents

Air monitor shematic

Air monitor

Air monitor v1.1

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted BOM_Manufacturer Part BOM_Supplier BOM_Manufacturer BOM_Supplier Part
1 NodeMCU_V1_ESP12E U1 NODE MCU AMICA 1
2 mhz19 U2 MH-Z19 1 mhz19
3 Female header pitch2.54mm P1,P3 HDR-4X1/2.54 2 Female header pitch2.54mm LCSC ReliaPro undefined
4 10k R1 AXIAL-0.3 1
5 DS18B20+ U3 TO-92(TO-92-3) 1 DS18B20+ LCSC MAXIM C9753
6 Header-Female-2.54_1x3 P4 HDR-3X1/2.54 1 Header-Female-2.54_1x3 LCSC Boom Precision Elec C146243

Attachments

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