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Although it uses a single wire to send data it is not Dallas One wire compatible if you want multiple sensors
is designed by NXP with a low power consumption
The module (MicroSD Card Adapter) is a Micro SD card reader module and the SPI interface via the file system driver
High voltage and current handling capability
12V 2CH Relay Board Original Arduino Although it uses a single12V 2 Channel Relay Board 2 channel 12V relay module Relay outputs: NO: normally open relay interface COM: common interface relays. NC: normally closed relay interface Working voltage 12V High Low level changeable Fault tolerant design, even if the control line is broken, the relay will not operate.
US$ 362.50
US$ 197.50
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