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MQ-7 is a highly sensitive gas sensor which is...
$3.13
Electret microphone useful in sound detection....
$0.24
20p Female Pin Header 2.54 mm See Description...
$0.98
500R Trimmer Potentiometer
$0.24
CD4013 Dual D-Flip-Flop
$0.31
Blue 2p Screw Connector
$0.24
30 A Relay Module (12 V Trigger) See...
$5.28
The 5 mm infrared receiver is a high speed and...
$0.22
Current output: 1.5 A Voltage input: 4.2 ~ 40...
$2.04
The ATmega328p-PU microcontroller is initially...
$4.92
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