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DesignatorComponentNumberCost per unit - USDTotal cost -
USD		Source of materialsMaterial typeColor Code Legend
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SmartProbe HousingTeflon Tape1$1.57$1.57https://www.homedepot.com/p/1-2-in-x-520-in-Thread-Seal-Tape-31273/202206819PolymerEnclosure
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SmartProbe Housing1-1/2 in PVC pipe, at least 1 ft.1$5.80$5.80https://www.homedepot.com/p/1-1-2-in-x-10-ft-330-PSI-Schedule-40-PVC-DWV-Plain-End-Pipe-531111/100135041PolymerPCBs
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SmartProbe Housing1-1/2 in. PVC DWV Hub x MIPT Male Adapter1$1.10$1.10https://www.homedepot.com/p/NIBCO-1-1-2-in-PVC-DWV-Hub-x-MIPT-Male-Adapter-C4804HD112/100347535PolymerSemiconductors
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SmartProbe Housing1-1/2 in. PVC Sch. 40 FPT Cap1$1.58$1.58https://www.homedepot.com/p/Charlotte-Pipe-1-1-2-in-PVC-Sch-40-FPT-Cap-PVC021171600HD/203811726PolymerRLC
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SmartProbe Housing1-1/2 in. PVC Sch. 40 Socket Cap1$1.15$1.15https://www.homedepot.com/p/Charlotte-Pipe-1-1-2-in-PVC-Sch-40-Socket-Cap-PVC021161400HD/203811676PolymerOther Electronic Components
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SmartProbe HousingPVC cement1$5.20$5.20https://www.homedepot.com/p/Christy-s-4-oz-PVC-Pipe-Cement-RH-RHBV-QP-48/100200766Polymer
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SmartProbe Housing16" zip ties, at least 21$8.99$8.99https://www.amazon.com/ties100-Environmentally-friendly-Industrial-stronger/dp/B08562GP4Q/ref=sr_1_1?dchild=1&keywords=zip%2Btie%2B16%2Bin&qid=1590009708&s=electronics&sr=1-1&th=1Polymer
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FlexProbe AssemblyQ-tip1$1.99$1.99https://www.amazon.com/Q-tips-Cotton-Swabs-170-ct/dp/B000052XR3/ref=sr_1_6?crid=3162K56BKOR8H&dchild=1&keywords=q+tips&qid=1589945212&sprefix=q+tip%2Caps%2C280&sr=8-6Organic
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FlexProbe Assembly12 Gauge piercing needles, at least 31$7.75$7.75https://www.amazon.com/Gauge-Sterilized-Piercing-Needles-Pack/dp/B002ZUACZ6Metal
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FlexProbe AssemblyThermal paste1$7.99$7.99https://www.amazon.com/Arctic-Silver-High-Density-Polysynthetic-Compound/dp/B07NV27PDX/ref=sr_1_4?crid=17OAOC99EYGHT&dchild=1&keywords=thermal+paste&qid=1589945568&sprefix=Theral+paste%2Caps%2C235&sr=8-4Other
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FlexProbe Assembly14 AWG solid-core wire, at least 6 in1$9.98$9.98https://www.homedepot.com/p/Southwire-50-ft-14-White-Solid-CU-THHN-Wire-11580817/202316530Metal
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FlexProbe AssemblyGlue syringes1$6.94$6.94https://www.amazon.com/Precision-Applicators-Dispense-Pack-Rockler/dp/B01GWCVBKW/ref=sxin_7_ac_d_rm?ac_md=1-1-Z2x1ZSBzeXJpbmdlIGZvciB3b29kd29ya2luZw%3D%3D-ac_d_rm&cv_ct_cx=Glue+syringe&dchild=1&keywords=Glue+syringe&pd_rd_i=B01GWCVBKW&pd_rd_r=09557aa3-c231-4a0f-8662-920bbbd6ece4&pd_rd_w=nhIW2&pd_rd_wg=8UUQy&pf_rd_p=a0516f22-66df-4efd-8b9a-279a864d1512&pf_rd_r=6Q84FC4JZ82EHWNBMYCT&psc=1&qid=1589945727&sr=1-2-12d4272d-8adb-4121-8624-135149aa9081Polymer
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FlexProbe AssemblyGorilla Glue1$6.65$6.65https://www.homedepot.com/p/Gorilla-4-oz-Original-Gorilla-Glue-50004A/100141832Polymer
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FlexProbe AssemblyBoard for install jig1$1.18https://www.homedepot.com/p/1-in-x-2-in-x-8-ft-Furring-Strip-Board-160954/100009348Organic
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Datalogger HousingCable Gland, Phoenix Contact 14111562$1.08$2.16https://www.digikey.com/product-detail/en/phoenix-contact/1411156/277-18060-ND/5188754Polymer
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Datalogger HousingWeatherproof Protective Case, Apache
1800, Small		1$12.99$12.99https://www.harborfreight.com/1800-weatherproof-protective-case-small-64550.htmlPolymer
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Datalogger to SmartProbe connectionRJ-45 8-Position 8-Contact Category 5e Modular Plugs1$12.43$12.43https://www.homedepot.com/p/Ideal-RJ-45-8-Position-8-Contact-Category-5e-Modular-Plugs-25-per-Card-85-346/100012932Polymer
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Datalogger to SmartProbe connectionCat 5 Data Cable, at least 10 ft1$20.75$20.75https://www.homedepot.com/p/Southwire-100-ft-Gray-24-4-Solid-CU-CAT5e-CMR-Riser-Data-Cable-56917943/202316243Metal
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DataloggerAdafruit Feather M0 with RFM95 LoRa Radio1$34.95$34.95https://www.adafruit.com/product/3178Other
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Datalogger to SmartProbe connectionDifferential I2C Breakout, Sparkfun 2$10.95$21.90https://www.sparkfun.com/products/14589Other
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Base StationLoRa Bonnet for Raspberry Pi, Adafruit RFM95W1$32.50$32.50https://www.adafruit.com/product/4074Other
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Base StationRaspberry Pi Zero W Budget Pack, Adafruit1$34.50$34.50https://www.adafruit.com/product/3410Other
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FlexProbePCB, OSH Park1$9.90$9.90https://oshpark.com/Other
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Sapflow WingPCB, OSH Park1$17.95$17.95https://oshpark.com/Other
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SmartProbePCB, OSH Park1$8.90$8.90https://oshpark.com/Other
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SmartProbe: IC 1ADC 18-Bit 4-ch 2.048V I2C SOIC141$3.91$3.91https://www.digikey.com/product-detail/en/microchip-technology/MCP3424-E-SL/MCP3424-E-SL-ND/1680890Semiconductor
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Sapflow Wing: RTCReal Time Clock IC, Maxim Integrated DS3231SN#T&R, 16-SOIC Package1$8.82$8.82https://www.digikey.com/products/en?keywords=DS3231SN%23T%26RCT-NDSemiconductor
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Sapflow Wing: U1Buck Voltage Regulator, MAX5033BASA+, 8-SOIC Package1$3.02$3.02https://www.digikey.com/products/en?keywords=MAX5033BASA%2B-NDSemiconductor
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Sapflow Wing: T2NMOS,
FDT439,
30V, 6.3A, SOT-223 Package		1$0.70$0.70https://www.digikey.com/products/en?keywords=FDT439NCT-NDSemiconductor
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Sapflow Wing: Q1, Q4, Q5NMOS, 50V, 200 mA, SOT23-3 Package3$0.20$0.60https://www.digikey.com/product-detail/en/diodes-incorporated/BSS138-7-F/BSS138-FDICT-ND/717843Semiconductor
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Sapflow Wing: Q6, Q7PMOS, 20V, 1.8A, SOT23-3 Package2$0.38$0.76https://www.digikey.com/product-detail/en/on-semiconductor/NTR4101PT1G/NTR4101PT1GOSCT-ND/687132Semiconductor
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Sapflow Wing: D1, D2Schottky Diode, Through-hole, SMC Diode Solutions SB240TA2$0.30$0.60https://www.digikey.com/product-detail/en/smc-diode-solutions/SB240TA/1655-1519-1-ND/6022964Semiconductor
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SmartProbe: LED2Green LED, 3.2V, 20 mA, 0805 package1$0.18$0.18https://www.digikey.com/product-detail/en/w%C3%BCrth-elektronik/150080GS75000/732-4983-1-ND/4489913Semiconductor
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SmartProbe: LED1
SapflowWing: LED1, LED2		Red LED, 2V, 20 mA, 0805 package3$0.22$0.66https://www.digikey.com/product-detail/en/everlight-electronics-co-ltd/EAST2012RA1/1080-EAST2012RA1CT-ND/11201058Semiconductor
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Sapflow Wing: L1Inductor, 1 mH, 500 mA, SMD, Bourns SRR1208-102KL1$1.13$1.13https://www.digikey.com/product-detail/en/bourns-inc/SRR1208-102KL/SRR1208-102KLCT-ND/3437800Metal
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SmartProbe: C3, C4, C7, C8
Sapflow Wing: C1, C3, C6		Capacitor, 0.1 uF, 0805 Package7$0.10$0.70https://www.digikey.com/product-detail/en/samsung-electro-mechanics/CL21B154KBFNNNG/1276-6476-1-ND/5958104Ceramic
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SmartProbe: C1, C2, C3
Sapflow Wing: C5		Capacitor, 1 uF, 0805 Package4$0.10$0.40https://www.digikey.com/product-detail/en/samsung-electro-mechanics/CL21B105KOFNNNG/1276-6471-1-ND/5958099Ceramic
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Sapflow Wing: C2Capacitor, 100 pF, 0805 Package1$0.10$0.10https://www.digikey.com/product-detail/en/kemet/C0805C101JAGAC7800/399-15000-1-ND/7382549Ceramic
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SmartProbe: C5Capacitor, 22 uF, 0805 Package1$0.20$0.20https://www.digikey.com/product-detail/en/samsung-electro-mechanics/CL21A226MQQNNNE/1276-1100-1-ND/3889186Ceramic
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Sapflow Wing: C8Capacitor, Polarized 33 uF, D/7343-31R Package1$0.72$0.72https://www.digikey.com/products/en?keywords=478-3047-1-NDMetal
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Sapflow Wing: C7Capacitor, Polarized 47 uF, D/7343-31R Package1$0.83$0.83https://www.digikey.com/products/en?keywords=478-3936-1-NDMetal
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SmartProbe: R17
Sapflow Wing: R8		Resistor, 1.5kΩ, 0805 Package3$0.10$0.30https://www.digikey.com/product-detail/en/te-connectivity-passive-product/CRGCQ0805F1K5/A129751CT-ND/8577583Ceramic
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SmartProbe: R7Resistor, 100Ω, 1% tolerance, 0805 package1$0.10$0.10https://www.digikey.com/product-detail/en/stackpole-electronics-inc/RMCF0805FT100R/RMCF0805FT100RCT-ND/1942332Ceramic
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FlexProbe: R3Resistor, 100Ω, 0603 Package1$0.10$0.10https://www.digikey.com/product-detail/en/stackpole-electronics-inc/RMCF0603FT100R/RMCF0603FT100RCT-ND/1942965Ceramic
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SmartProbe: R1, R2, R3, R4, R14, R15
Sapflow Wing: R1, R2, R4, ,R6, R10		Resistor, 40kΩ, 0805 Package10$0.03$0.26https://www.digikey.com/product-detail/en/stackpole-electronics-inc/RMCF0805FT39K0/RMCF0805FT39K0CT-ND/2418387Ceramic
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SmartProbe: R10, R11, R16
Sapflow Wing: R3, R11, R12, R13, R14		Resistor, 5kΩ, 0805 Package8 (buy 10)$0.03$0.26https://www.digikey.com/product-detail/en/stackpole-electronics-inc/RMCF0805FT5K10/RMCF0805FT5K10CT-ND/1942416Ceramic
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SmartProbe: R5, R6, R8, R9
Resistor, 910 ohm, 1% tolerance, 0805 package4$0.10$0.40https://www.digikey.com/product-detail/en/stackpole-electronics-inc/RMCF0805FT909R/RMCF0805FT909RCT-ND/1942369Ceramic
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FlexProbe: R1, R2, R4RTD, 100Ω, 1%, 0603 Package3$2.25$6.75https://www.digikey.com/products/en?keywords=PTS0603100CT-NDCeramic
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OtherSolder Paste1$14.63$14.63https://www.digikey.com/product-detail/en/mg-chemicals/4902P-15G/473-1269-ND/7496976Metal
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OtherSolder1$19.05$14.63https://www.digikey.com/product-detail/en/multicore/397952/82-140-ND/2498938Metal
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Sapflow Wing: B1Coin Battery Retainer, Keystone Electronics1$0.44$0.44https://www.digikey.com/products/en?keywords=3001K-NDMetal
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Sapflow Wing: MICROSDMicroSD Card Socket, Adafruit 16601$1.95$1.95https://www.mouser.com/ProductDetail/Adafruit/1660?qs=sGAEpiMZZMsMyYRRhGMFNvyxRu5Civa4Xe9EwZhtNjo%3DMetal
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Sapflow Wing: U$1, U$2SMD Push Button, C&K Switches KMR731NGLFS2$0.35$0.70https://www.mouser.com/ProductDetail/CK/KMR731NGLFS?qs=%2Fha2pyFadugqPivkPtSo04Y18O24%252BeXDrARrCrD1oHfUvc1ArFNTdw%3D%3D&utm_source=octopart&utm_medium=aggregator&utm_campaign=611-KMR731NGLFS&utm_content=COther
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DataloggerMicroSD Card, 16 GB1$6.99$6.99https://www.amazon.com/SanDisk-Ultra-microSDXC-Memory-Adapter/dp/B073K14CVBOther
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Sapflow Wing, SmartProbeHeader Pins14.59$4.59https://www.amazon.com/MCIGICM-Header-2-45mm-Arduino-Connector/dp/B07PKKY8BX/ref=pd_sbs_23_1/134-5052204-0061214?_encoding=UTF8&pd_rd_i=B07PKKY8BX&pd_rd_r=053aaa1c-aaf9-4f4e-bf21-87daaf51c1dc&pd_rd_w=WSnww&pd_rd_wg=1WxKg&pf_rd_p=12b8d3e2-e203-4b23-a8bc-68a7d2806477&pf_rd_r=D497W8YSH2DWYDXGDZF8&psc=1&refRID=D497W8YSH2DWYDXGDZF8Metal
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SmartProbe to FlexProbe connection
20 AWG electric wire1$16.99$16.99https://www.amazon.com/TUOFENG-Wire-Solid-different-colored-spools/dp/B07G2GLKMP/ref=sr_1_2?dchild=1&keywords=electrical%2Bwire&qid=1590011415&sr=8-2&th=1Metal
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Datalogger12V Battery, Yuasa NP7-12-F11$9.79$9.79https://www.batterysharks.com/Yuasa-NP7-12-F1-p/NP7-12-F1_B12-7.htm?gclid=EAIaIQobChMI1rCY3OGW6AIVISCtBh390gjhEAQYAyABEgKwF_D_BwEMetal
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Datalogger3V Battery, CR12161$2.35$2.35https://www.amazon.com/Energizer-ECR-1216BP-Lithium-Button-Battery/dp/B00009V2Q5/ref=sr_1_3?dchild=1&keywords=CR1216+battery&qid=1589943830&s=electronics&sr=1-3Metal
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$365.51
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3D Printer Filament
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U-bolts
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Nuts
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T-post
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