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then wire the output pin to a digital GPIO input
The input power is up to 35V with 100mA current
Useful add-ons include an Arduino or ADC-capable board
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Efficiency: 90%
BLE Module HM-11 CC2541 - Bluetooth 4.0 LE ch340g then wire the output pinThe BLE 4. 0 (Bluetooth Low Energy) HM 11 Module is based on the Texas Instrument's CC2541 microprocessor but the board itself is manufactured by Elecrow. It can communicate with computers, smartphones, tablets, and other embedded systems via serial communication. BLE technology also lets the device operate in ultra low power, making it suitable for projects that require battery longevity. Moreover, the BLE 3. 0 HM11 module works with AT commands. It
US$ 109.50
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