WiFi & Bluetooth Module 18650 Battery Development Board
LG 3000mah 18650 battery can make esp32 work properly
18650 charging system integration.
Indicates inside the LED (green means all and red means charging)
Charging and working can be done simultaneously.
1 switch can control the power supply.
1 additional LED programmable (with gpio16 [do])
0.5a charge current 1A output
Overcharge protection
Full esp32 pin breakout
Product specifications:
| Hardware Specifications | |
| Chipset | ESPRESSIF-ESP32-WROVER 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor |
| FLASH | QSPI flash/SRAM, up to 32 MB |
| 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 |
| Shipping list | 1 X 18650 battery ESP32 WROVER development board 2 X Pin |
