HS2509 TTGO T-Energy T18- WiFi and Bluetooth module 18650 battery ESP32 WROVER development board
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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