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× 3pcs DIY LM393 Voltage Comparator Module Kit with Reverse Protection Band indicating Multifunctional 3pcs DIY LM393 Voltage Comparator Module Kit with Reverse Protection Band indicating Multifunctional $18.37
$18.37
× 3pcs KY-039 Finger Detection Heartbeat Sensor Module Finger Detect Measurement 3pcs KY-039 Finger Detection Heartbeat Sensor Module Finger Detect Measurement $4.66
$4.66

Cart totals

Subtotal $23.03
Shipping

Shipping to Guangdong / 广东.

Total $28.03