
$0.1 Buy 2 (Limit 2)! Pay Shipping Only to Buy ESP-WROOM-02D Costo Price espressif esp32 buy 300m Supported protocols 802.11 b/g/n 20dBm 2.4GHz ESP8266 chip wireless WIFI module
$0.01 Buy 2 (Limit 2)! Pay Shipping Only to Buy ESP-WROOM-02D Costo Price espressif esp32 buy 300m Supported protocols 802.11 b/g/n 20dBm 2.4GHz ESP8266 chip wireless WIFI module Product Description WiFi Specifications RF certification SRRC, FCC, CE (RED), IC, NCC, KCC, TELEC (MIC) Wi-Fi protocols 802.11 b/g/n Frequency range 2.4GHz~2.5GHz(2400M~2483.5M) Hardware Specifications Peripheral interface UART/HSPI/I2C/I2S/IR Remote Control GPIO/PWM Operating voltage 2.7V ~ 3.6V Operating current Average: 80 mA Minimum current delivered by power supply 500 mA Operating temperature range -40℃ ~ +85℃ Storage temperature -40℃ ~ +85℃ Software Specifications Wi-Fi mode Station/SoftAP/SoftAP+Station Security WPA/WPA2 Encryption WEP/TKIP/AES Firmware upgrade UART Download/OTA (via network)/Download and write firmware via host Software development Supports Cloud Server Development/SDK for custom firmware development Network protocols IP