AITRIP 4pcs D1 Mini NodeMCU ESP32 ESP-WROOM-32 WLAN WiFi Bluetooth Development Board 5V Compatible with Arduino electronics3 Inner soft velvet lining

Inner soft velvet lining

Provides stable signal

shaped petal design with cutting area is 4cm

smooth ferrous plate in a vertical test

AITRIP 4pcs D1 Mini NodeMCU ESP32 ESP-WROOM-32 WLAN WiFi Bluetooth Development Board 5V Compatible with Arduino electronics3 Inner soft velvet liningAITRIP 4pcs D1 Mini NodeMCU ESP32 ESP WROOM 32 WLAN WiFi Bluetooth Development Board 5V Compatible with Arduino Futures : PCB wireless antennaWiFi Frequency: 24 GHz 2. 5 GHzDimensions: 39 x 28 x 6 mm (1. 5 x 1. 1 x 0. 2in)Power supply voltage (USB) : 5V DCInput Output voltage: 3. 3V DCOperating current: min. 500mACPU: Xtensa single dual core 32 bit LX6RAM: 512kBI O Pins: 34I O Pins: 34ADC channels: 18ADC Resolution: 12 bitDAC channels: 2DAC