TTGO ESP32-S WiFi Wireless Module Type-C Connector TF Card Slot Development Board

Hardware specifications 1. Chipset: ESPRESSIF-ESP32-S2 2. Flash: 4MB 3. Static SRAM: 8MB 4. SRAM: 520 kB SRAM 5. Buttons: power switch, base, start, custom 6. External device: TF card 7. USB to TTL: CH340C 8. Modular interface: SD card, UART, SPI, I2C, PWM, I2S, ADC 9. Vehicle clock: 32.768KHz crystal oscillator 10. Working voltage: 2.7V to 3.6V 11. Operating temperature range: -40 degrees Celsius ~ + 85 degrees Celsius 12. Dimensions: 63 x 30 x 6.6mm 13. Weight: 7g Power Specifications 1. Power input: USB 5V / 1A 2. Charging current: 500 mA 3. Battery input: 3.7-4.2V 4. JST connector: 2-pin 1.25mm 5. USB: Type C USB WiFi 1. Standard: FCC / CE-RED / IC / TELEC / KCC / SRRC / NCC (esp32 chip) 2. Protocol: 802.11 b / g / n (802.11n, speed up to 150Mbps, A-MPDU and A-MSDU aggregation, support 0.4uS guard interval 3. Frequency range: 2.4GHz~2.5GHz (2400M`2483.5M) 4. Transmit power: 22dBm 5. Communication distance: 300m