HS2509 TTGO T-Energy T18- WiFi and Bluetooth module 18650 battery ESP32 WROVER development board
	
		
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			 Hardware Specifications 
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			 Chipset 
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			 ESPRESSIF-ESP32-WROVER-B 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor 
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			 FLASH 
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			 QSPI 4MB  Flash / 8MB  PSRAM 
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			 SRAM  
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			 520 kB SRAM 
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			 KEY 
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			 reset,BOOT 
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			 switch 
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			 BAT switch 
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			 Power indicator lamp 
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			 red 
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			 USB to TTL 
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			 CP2104 
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			 modular  interface 
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			 SD card、UART、SPI、SDIO、I2C、LED PWM、TV PWM、I2S、IRGPIO、capacitor touch sensor、ADC、DACLNA  pre-amplifier 
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			 on-board clock 
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			 40MHz crystal oscillator  
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			 working voltage 
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			 2.3V-3.6V 
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			 working current 
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			 about 40mA 
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			 sleep current 
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			 1mA 
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			 working temperature range 
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			 -40℃ ~ +85℃ 
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			 size 
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			 91.10mm*32.75mm*19.90mm 
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			 Power Supply Specifications 
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			 Power Supply 
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			 USB 5V/1A 
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			 charging current 
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			 1000mA 
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			 battery 
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			 3.7V lithium battery 
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			 Wi-Fi 
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			 Description 
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			 Standard 
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			 FCC/CE/TELEC/KCC/SRRC/NCC(esp32 chip) 
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			 protocol 
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			 802.11 b/g/n/e/i (802.11n,speed up to150Mbps)A-MPDU and A-MSDU polymerization,support 0.4μS Protection interval 
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			 frequency range 
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			 2.4GHz~2.5GHz(2400M~2483.5M) 
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			 Transmit Power 
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			 22dBm 
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			 communication distance 
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			 300m 
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			 Bluetooth 
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			 Description 
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			 protocol 
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			 meet bluetooth v4.2BR/EDR and BLE standard 
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			 radio frequency 
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			 with -98dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH 
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			 audio frequency 
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			 CVSD&SBC audio frequency 
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