1Pcs Superheterodyne RXB12 DC3.3-5V Ask 433Mhz Ttl Rf Receiver Module New Ic bu
4,46 €
1Pcs 433Mhz Ttl Rf Receiver Module Superheterodyne RXB12 DC3.3-5V Ask Ic New. When drive the MCU directly,the I/O port can’t connect the pull-up or pull-down resistors because the drive current of RXB12’s data output pin is weak.Also the inner pull-up or pull-down resistors of MCU should be disabled.
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