HELTEC ESP32-S3-R8 Support Bluetooth WiFi with 1.9 Inch TFT Display HT-VMT190 Module SX1262 Lorawan Protocol BT Developm

Features 1 Adopting ESP32 S3R8 main control chip supporting WiFi and Bluetooth 2 The LoRa module is optional and compatible with Mashstick 3 Low power consumption deep sleep 18uA 4 Powerful display function onboard 1 9 inch TFT LCD display screen including 170 RGB X320 dots can display up to 262K colors 5 High contrast high reflectivity and ultra wide viewing angle 6 The SH1 25 sensor interface is perfectly compatible with the QuickLink series sensors 7 Compatible with open source software and hardware platforms we provide an example development framework and library 8 Supports USB lithium battery power supply with the option to choose between 3 3 4 2V lithium battery power supply or USB charging The advantage of using USB and lithium battery power together is that it can enhance power supply reliability improve battery life adapt to various scenarios optimize charging management and improve device compatibility 9 The combination of TFT 1 9 inch screen display and LORA wireless technology ensures high quality screen display effects stable long distance data transmission and meets the low power operation requirements of devices Specification Main control chip ESP32 S3R8LoRa chip SX 1262Frequency optional 433MHz 470 510MHz 863 870MHz 902 928MHzPower supply interface lithium battery interface Type C interfaceBluetooth LE Bluetooth 5 Bluetooth mesh Storage 384KB ROM512KB SRAM 16KB RTC SRAM 8MB SiPFlashSupply voltage 3 5VStorage temperature