Heltec Ultra-low Power Turtle Board STM32L432KC SX1276 LoRaWAN Supports LoRaWAN MQTT Single Channel Wireless Module

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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 128×64 WiFi LoRa 32 V2 Product ID 1639291 Dev BoardESP328MBLithium②√√800uAOLED 128×64 Wireless Stick Product ID 1639290 Dev BoardESP328MBLithium②√√800uAOLED 64×32 Wireless Stick Lite Product ID 1638098 Dev BoardESP32 PICO4MBLithium②√√35uAxWireless Shell Product ID 1638101 ModuleESP32 PICO4MB √x10uAxLoRa Kit 151 Product ID 1639289 Dev BoardSTM32L151CBU6128kBLithiumxx7uAxLoRa Node 151 Product ID 1638100 Dev BoardSTM32L151CCU6256kB1 2 AA Lithium chlorine sulfite battery√√1 8uAxTurtle Board This item Dev BoardSTM32L432KC256kBAAA x 2√√5uAxNotes 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 Introduction The turnkey Turtle board solution can be used immediately Support standard LoRaWAN protocol and RadioShuttle protocol The included RadioShuttle radio protocol s
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