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An Arduino Mini is the brains of the operation, paired with an XY-V17B sound module which plays the required animal wailings. There’s also a 433 MHz radio module that lets the prankster trigger ...
The “mini SX1278 LoRa 5-Km wireless ... Below are the pin descriptions for the XL1278-SMT module. It’s worthy to note that the recommended supply voltage of the module is 1.8 V to 3.6 V. It’s ...
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