Bill of Materials for Stark-Htet EMU v1
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Stark-Htet EMU Bill of Materials
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Item Cost per EMU Supplier
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LOLIN D1 mini V3.1.0 - WEMOS WIFI ESP8266 board $ 3.50 AliExpress
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DS3231 RTC module $ 0.98 AliExpress
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Battery holder, 4 x AA with switch $ 1.22 AliExpress
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P channel MOSFET: IRF9640, Vishay $ 1.09 Mouser
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Soil moisture sensor (resistance probe) x 2 $ 0.78 AliExpress
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Circuit board $ 1.02 AliExpress
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BH1750 lux sensor (GY-302) $ 0.73 AliExpress
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BME280 temp/RH/pressure $ 2.15 AliExpress
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ADS1115 ADC $ 1.40 AliExpress
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CR 2032 cell coin batteries (for RTC) $ 0.17 AliExpress
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4 AA batts (Duracell) $ 2.00 Amazon
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DS18B20 digital temperature sensor $ 1.25 AliExpress
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Cable glands (2 x PG7) $ 0.25 AliExpress
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PVC exclosure, 4 x 4 x 2" $ 6.88 Home Depot
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22 AWG 4-conductor shielded wire, 5 ft. $ 0.40 Amazon
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Circuit board wire $ 0.10 Amazon
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Resistors (2; 330K, 1K ohms) $ 0.20 Amazon
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3/4" PVC stand (40 cm) and fittings (tee, 2x elbow, 3cm connector)
$ 1.37 Home Depot
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Heat shrink tube, solder, sealant, plumber's putty, paint $ 1.00 misc
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rebar (2ft x 3/8") $ 2.26 Lowe's
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hose clamps (2 x #20) $ 1.60 Amazon
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TOTAL $ 30.35
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