This is called “LoRa Node 151”
https://heltec.org/project/lora-node-151/
Conflicting deep sleep specifications: 1.8uA and 2.5uA (but either should be fine 
)
(Is that an AMS1117 regulator 
or MOSFET?)
STM32L151 (no Arduino support).
This is called “LoRa Node 151”
https://heltec.org/project/lora-node-151/
Conflicting deep sleep specifications: 1.8uA and 2.5uA (but either should be fine )
(Is that an AMS1117 regulator or MOSFET?)
STM32L151 (no Arduino support).