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MAX30102 Blood Oxygen Concentration Sensor Module Detection Wrist Heart Rate Heartbeat Pulse Sensors Module 8PIN STM32 MCU

$1.69
BME680 Digital Temperature Humidity Pressure Sensor
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BME680 Digital Temperature Humidity Pressure Sensor High Altitude Module Development Board

$8.20
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USB CH340 to RS485 Convertor Module PL2303 to 485 FT232 to RS485 USB Tool Conversion Adapter for Win 7 8 XP

Price range: $1.65 through $2.45
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CP2102 Serial Converter USB 2.0 to TTL UART Dupont Cable Set with STC Download 5PIN Module

Price range: $2.21 through $2.46
SCD40 SCD41 Gas Sensor Module
SCD40 SCD41 Gas Sensor Module
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SCD40 SCD41 Gas Sensor Module I2C Communication 4PIN High Precision CO2 Temperature and Humidity 2 in 1 Detection Sensor

Price range: $20.08 through $24.84
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ACS712 Hall Current Sensor Module Hall Sensor 5V 5A 20A 30A Current Detection Board Module

Price range: $1.55 through $1.68
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diy electronic kit LED colorful heart-shaped flashing light SMD conponents soldering kit

Price range: $6.33 through $10.70
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GY BMP280 5V Air Temperature Pressure Sensor BME280 I2C SPI 1.8-5V GY-BMP280-3.3V for Arduino Barometric Digital Sensors Module

Price range: $1.11 through $4.02
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ESP32 S3 Development Board with 1.91 inch IPS LCD Display ESP32-S3 Wifi Module Learning Program MCU Type-C 170*320 Battery Port

$20.10
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Waveshare ESP32-S3 1.47inch LCD Touch Screen IPS 1.47 inch Display Development Board 172×320 SD AXS5106L JD9853

Price range: $14.90 through $15.90
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USB to RS232/485 Serial Cable, Original FT232RNL Chip, Onboard Power and Signal Indicators

$16.90
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Luckfox Core1106 Smart 86 Box Development Board RV1106G2/RV1106G3 Processor 0.5/1TOPS 128MB/256MB DDR3L for AI Edge Computing

Price range: $44.90 through $50.90
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ESP32-S3 1.75inch AMOLED Round Touch Display Development Board, 32-bit LX7 Dual-core Processor, 466×466 Pixels, QSPI Interface

Price range: $38.90 through $45.90
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2.7inch Wireless NFC Powered Epaper Eink E-paper E-ink Display Screen Module for IOS Android Mobile Phone APP E Paper E INK

$28.90
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13.3′ E Ink Spectra 6 (E6) Full Color E-Paper Display 1600×1200 Pixels Ideal for Price Tags And Shelf Labels

Price range: $287.90 through $292.90