Done! Solved my own problem, but posting here if it helps someone. desoldered the red wire, and soldered it directly to the Vo of the AMS1117 regulator. That was it! https://goo.gl/photos/6CL7aPcPWfUeKtdv6 (not very clear, but you'll get the idea) https://goo.gl/photos/bLqdUXVZHEJg1VWj8 and thats sh...