T-Echo Meshtastic Frequency:433MHz BME280 ESP-IDF Onboard functions TF-Card

ESP-IDF Onboard functions  TF-Card

while the PCM5102 version can be driven directly through the ESP32-S3

- FLASH QSPI flash/SRAM

2 Onboard Buttons RESET WS2812 RGB LED Data IO25

battery switch 0

T-Echo Meshtastic Frequency:433MHz BME280 ESP-IDF Onboard functions TF-CardFCC, CE, MIC certificates for T Echo Specification MCU NRF52840 FLASH 2MB RAM 2MB Bus Interfaces UART, SPI, TWI, PDM, 12S, QSPI Wireless Connectivity Bluetooth 5, Thread, Bluetooth Mesh, ANT, 802. 15. 4, Zigbee With Without BME280 temperature pressure sensor SX1262 LoRa Transceiver Long Range, Low Power Global frequency coverage 433, 868, 915Mhz Enclosure material ABS Version Normal version BME280 version Battry Capacity 850mAh 1. 54 inch SPI E Paper