Heltec Development Board SX1262 ESP32 Chip OLED WiFi LoRa Node V2 for Arduinos

Heltec LoRa Node Products Difference Table Heltec LoRa product family already included follow options LoRa spread spectrum communication node Battery powered Good RF circuit design and impedance matching ProductType①MCUFLASHBatteryBattery DetectVext③Low Power④DisplayWiFi LoRa 32Dev BoardESP324MBLithium②xxxOLED 128x64 WiFi LoRa 32 V2 Dev BoardESP328MBLithium②√√800uAOLED 128x64 This item Wireless StickDev BoardESP328MBLithium②√√800uAOLED 64x32 Wireless Stick LiteDev BoardESP32 PICO4MBLithium②√√35uAxWireless ShellModuleESP32 PICO4MB √x10uAxLoRa Kit 151Dev BoardSTM32L151CBU6128kBLithiumxx7uAxLoRa Node 151Dev BoardSTM32L151CCU6256kB1 2 AA Lithium chlorine sulfite battery√√1 8uAxTurtle BoardDev BoardSTM32L432KC256kBAAA x 2√√5uAx Notes ① Type Dev Board Can be used directly Module Only core function need to cooperate with external PCB or circuit ② Lithium All lithium battery socket for Heltec boards is SH1 25 2 ③ Vext 3 3V 500mA output for external devices e g sensors power supply in deep sleep mode Vext can be shut down via software ④ Low Power Products low power design of Whole Circuit the measured data are the current of the system during deep sleep Feature WiFi LoRa 32 is a classic IoT dev board designedproduced by Heltec Automation TM it s a highly integrated product based on ESP32 SX127x it has Wi Fi BLE LoRa functions also Li Po battery management system 0 96 OLED are also included It s the best choice for smart cities smart far