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The F21P module integrates RF
Duty cycle: 1% ~ 99%
Hot air temperature of about 50-60 degrees Celsius
It is the first Arduino board based on a 32-bit ARM core microcontroller
It's a fixed focus 5MP sensor capable of 2592x1944 stills
ANENG MD-3003B Metal Detector cf-type-smart-car-kit The F21P module integrates RFProperty: High precision Simple and easy to use, no need to adjust. 3. 9V battery reduced to about 7V and sensing distance sealing tape. Electricity saving, can work continuously for more than 40 hours. There are two options for alarm mode: sound and vibration. When the battery is dead, automatic continuous sound or vibration alarm. With power on and off sound or vibration prompt function. There are high and low sensitivity options. There is an
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