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Remove item Thumbnail image Product Price Quantity Subtotal
× DS3231 High Precision Real-Time-Clock (RTC) Module $1.60
$1.60
× MF1 S50 ISO/IEC14443A Contactless RFID Card $1.00
$1.00
× 2 Channel 5V Optical Isolated Relay Module $1.40
$1.40
× TM1638 7-Segment Display & Keypad+LED Module $2.90
$2.90

Cart totals

Subtotal $6.90
Shipping

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Total $8.90