With over a decade of experience as a full-time freelancer, I've developed a deep and varied skill set that makes me uniquely qualified for your Arduino project. My expertise not only lies in Arduino programming but also in utilizing Lora SX1278 modules, making me well-suited for setting up the required low-power, long-distance communication channel and secure data transmission you need. Moreover, I'm experienced in relay control systems which perfectly aligns with your project's receiver side requirements.
What sets me further apart is my commitment to delivering lasting results. Given the need for your circuit to maintain its state even after power cuts, I take utmost care to ensure the same - a testament to my affinity for quality assurance. Additionally, given my extensive experience with multiple microcontrollers (including ARM M Cores and STM32) combined with my penchant for precision analog electronics, I have the necessary breadth of knowledge required for this project.
Lastly, as your trusted partner, I offer long-term product support and can even leverage my Chinese contacts to assist in low to mid-volume productions. In conclusion, my seamless integration of hardware and firmware coupled with an unwavering commitment to quality and excellent communication will make us an unbeatable team for your Arduino-Lora-SX1278 interface. Let's have a chat about specifications; I would be honored to fulfill your vision!