OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Bee (OSBee) › Hardware defect, need some info › Reply To: Hardware defect, need some info August 23, 2020 at 3:32 pm #68003 RayKeymaster The component on the left (marked QPC) is AO3407 (or CJ3407 as equivalent) — it’s a P-MOSFET. The one on the right (closer to COM) is AO3400 (or CJ3400 as equivalent) — it’s an N-MOSFET.
