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Micro USB Battery Charging Board
$0.62 Free shipping, 14hrs Left
** NOTE
1. Ampere meter can only be connected to 5v input end of the module.
2. It is better that the charging current is 37% of the battery capacity. If you charge to the battery of 1000mAH, current of 400 is enough.
3. The connection wire should not be too thick.
$0.79 Free shipping, 14hrs Left
** DHT11 product overview
DHT11 digital humidity temperature sensor is the composition sensor which contains calibrated digital output. It applies to specialized digital module, and collects technology and humidity & temperature sensor technology. All of this can guarantee the product with extremely high reliability and excellent long-term stability.
DHT11 digital humidity temperature sensor is the composition sensor which contains calibrated digital output. It applies to specialized digital module, and collects technology and humidity & temperature sensor technology. All of this can guarantee the product with extremely high reliability and excellent long-term stability.
$1.35 Free shipping, 14hrs Left
** Module Scope
1. Used as a square wave signal generator produces a square wave signal for the experimental development use.
2. Used to generate the square wave signal to drive a stepper motor drive.
3. Produce adjustable pulse for the MCU to use.
4. Generating adjustable pulse to control the associated circuits.
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