Description
ESP32 (8Mbyte version) with a 18650 battery holder, get going with that low power WiFi or BLE development you've been dreaming about.
Specifications
Github: https://github.com/LilyGO/LILYGO-T-Energy
| Hardware | Specifications |
| Chipset | ESPRESSIF-ESP32-WROVER 240MHz Xtensa® dual-core 32-bit LX6 microprocessor |
| FLASH | QSPI 4MB Flash / 8MB PSRAM |
| SRAM | 520 kB SRAM |
| KEY | Reset, BOOT |
| Switch | BAT switch |
| Power indicator lamp | Red |
| USB to TTL | CP2104 |
| Modular interface | SD card, UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA pre-amplifier |
| On-board clock | 40MHz crystal oscillator |
| Working voltage | 2.3V-3.6V |
| Working current | about 40mA |
| Sleep current | 1mA |
| Working temperature range | -40℃ ~ +85℃ |
| Size | 91.10mm*32.75mm*19.90mm |
| Power Supply | Specifications |
| Power Supply | USB 5V/1A |
| Charging current | 1000mA |
| Battery | 3.7V lithium battery |
| Wi-Fi | Description |
| Standard | FCC/CE/TELEC/KCC/SRRC/NCC |
| protocol | 802.11 b/g/n/e/i (802.11n, speed up to150Mbps)A-MPDU and A-MSDU polymerization, support 0.4μS Protection interval |
| Frequency range | 2.4GHz~2.5GHz(2400M~2483.5M) |
| Transmit Power | 22dBm |
| Communication distance | 300m |
| bluetooth | Description |
| Protocol | Meet bluetooth v4.2BR/EDR and BLE standard |
| Radio frequency | With -98dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH |
| Audio frequency | CVSD&SBC audio frequency |
| Software specification | Description |
| Wifi Mode | Station/SoftAP/SoftAP+Station/P2P |
| Security mechanism | WPA/WPA2/WPA2-Enterprise/WPS |
| Encryption Type | AES/RSA/ECC/SHA |
| Firmware upgrade | UART download/OTA(Through network/host to download and write firmware) |
| Software Development | Support cloud server development /SDK for user firmware development |
| Networking protocol | IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT |
| User Configuration | AT + Instruction set, cloud server, android/iOSapp |
| OS | FreeRTOS |