Description
Red Laser Module Adjustable Crosshair 9mm 5mW
Red Laser Module Adjustable Crosshair 9mm 5mW
$2.00
Available on backorder
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$6.00HC-12 wireless serial port communication module is a new-generation multichannel embedded wireless data transmission module. Its wireless working frequency band is 433.4-473.0MHz, multiple channels can be set, with the stepping of 400 KHz, and there are totally 100 channels. The maximum transmitting power of module is 100mW (20dBm), the receiving…
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$3.00 – $3.50These shield is made by L293D driver chip. It is very easy for plug with Arduino or ESP to drive any DC motor for Robot or RC Car.
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Available on backorder
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