Module model: ESP-C3-12F
Package: SMD-22
Size: 24.0 x 16.0 x 3.1 mm (± 0.2 mm)
Antenna: Onboard PCB antenna
Compatible spectrum range: 2400 - 2483.5MH z
Operating temperature: -40 - 85
Storage environment: -40 - 125, <90% RH
Supply voltage: 3.0V - 3.6V, supply current >500mA
Supported interfaces: UART / GPIO / ADC / PWM / I2C / I2S
IO ports: IO0, IO1, IO2, IO3, IO4, IO5, IO6, IO7, IO8, IO9, IO10, IO18, IO19, IO20, IO21
serial port speed: support 110-4608000bps, default 115200bps
Bluetooth: BLE 5.0
security: WEP / WPA-PSK / WPA2-PSK
SPI Flash: 4MB
ESP32-C3 datasheet:
https: //www. jacobsparts. com/files/ESP32-C3/esp32-c3_datasheet_en. pdf
ESP32-C3F specification:
https: //www. jacobsparts. com/files/ESP32-C3/esp32-c3f_specification. pdf