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Amazon.com: 4PCS ESP32 Development Board ESP-32S NodeMCU Board ESP-WROOM-32 WiFi Microcontroller 2.4GHz 2 in 1 Dual-Core WiFi + Bluetooth Processor Integrated Chip CP2102 Low Power Consumption ESP-32S : Electronics
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Amazon.com: DORHEA 4PCS ESP32 ESP-32S WiFi Development Board Unassembled NodeMCU ESP32S Microcontroller Processor Integrated Chip CP2102 : Electronics
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