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Supporting multiple radio protocols
effective distance range 2 ~ 9cm
If the board already has the STM32Duino bootloader
Original FT232 chip
Over charge for protection for every charging port
Rain Drop Water Sensor Module flame detection Supporting multiple radio protocolsSpecification: The Raindrop Detection Sensor module is an easy to use and low cost drop recognition sensor. The sensor works through a series of exposed parallel traces on board which produces electrical variations when drops or water volume changes. By using microcontrollers or ADC ICs (Arduino and PIC) it''s fairly easy to convert the analog output from the sensor to digital values. Water Sensor water level sensor is an easy to use, cost effective
