IoTea LoRa SmartAgriculture
PM2.5 PollutionVisualization WioLTE
This is a three-piece aluminum heat sink kit and a copper heat sink for the main chip to cool the chip on the Raspberry Pi 4B.
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In addition to the silver Gold Aluminum kit, you can also choose our silver aluminum kit or black aluminum kit,they are the low price version.
3 x aluminum heat sink
1 x copper heat sink