Parts from ScioSense, ED Inventory

RFID Reader IC 15kHz ~ 150kHz 2.4V ~ 3.6V 16-TSSOP (0.173", 4.40mm Width)

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	AS3933-BTSTDKR-ND	6577		$5.51	$4.92	$4.43	$4.04	$2.76	$2.62

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Liquid Flow Sensor 0 ~ 33.33L/min Female, 1/2", 0.5" (12.7mm) BSPP

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	2618-UFM-01-ND	144		$37.93	$33.73	$31.43	$31.43	$29.98	$29.98

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Air Quality Sensor I2C, SPI

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	2618-ENS161-BLGTDKR-ND	3250		$6.82	$5.89	$5.39	$5.20	$4.82	$4.61

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Humidity, Temperature 0 ~ 100% RH I2C ±2% RH 3 s Surface Mount

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	2618-ENS210-LQFMDKR-ND	61505		$1.74	$1.47	$1.32	$1.26	$1.11	$1.02

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Multiple Function Sensor Development Tools

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	UFM-01_EK	4	1
Future Electronics	UFM-01_EK	2	1	$44.48

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Converter IC Digital Input Digital Output 40-QFN (6x6)

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	TDC-GP30YA-F013KCT-ND	2995	1	$9.37	$8.14	$7.47	$7.22	$7.13	$6.27

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Air Quality Sensor I2C, SPI

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	2618-ENS161-BLGTDKR-ND	1945		$6.82	$5.89	$5.39	$5.20	$5.09	$4.61

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Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	2618-AS6500-FQFMDKR-ND	545		$23.45	$20.69	$19.18	$18.62	$17.49	$17.49

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Pressure Sensor 4.35PSI ~ 17.4PSI (30kPa ~ 120kPa) Absolute 24 b 10-LGA

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	2618-ENS220S-BLGTDKR-ND	547

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RFID Reader IC 110kHz ~ 150kHz - SPI 2.4V ~ 3.6V 16-VQFN Exposed Pad

Distributor	SKU	Stock	MOQ	1	10	50	100	1,000	10,000
DigiKey	2618-AS3932DEMOBOARD-ND	1	1	$300.00	$300.00	$300.00	$300.00	$300.00	$300.00