T-Call V1.3 Wireless Module ESP32 Antenna GPRS SIM Card
About this item
- Flash: QSPI flash 4 MB / PSRAM 8 MB
- SRAM: 520 KB SRAM
- USB to TTL: CP2104
- Modular interface: UART, SPI, SDIO, I2C, PWM LED, PWM TV, I2S, IRGPIO, capacitor touch sensor, CAN, DACLNA preamplifier
- Onboard clock: 40 MHz crystal oscillator