The attached schematic makes sense to me, but I'm open to any advice on simplifying. Also open to critiques if there is an issue I'm missing.
Thanks!
Project (major) component list:
- Adafruit Latching Mini Relay FeatherWing PID: 2923
- Adafruit Feather 32u4 RFM95 LoRa Radio- 868 or 915 MHz - RadioFruit PID: 3078
- Adafruit Universal USB / DC / Solar Lithium Ion/Polymer charger - bq24074 PID: 4755
- Plastic Water Solenoid Valve - 12V - 1/2" Nominal PID: 997
- 9V MMPT https://a.co/d/0gv5jdz
- 9V 2000mAh LiPo