1. Mark_M

    Inverting values

    Hello, In a conversation with a friend of mine about a thread I posted in January; This is about using transistor boards I created last year to drive dumb strings. David_AVD (from previous thread) and...
  2. Mark_M

    Making my own boards to control 'dumb strings'

    I want to try to keep cost to a minimum because the F48 and 3 differential boards will cost me around $380NZD and I don't want to purchase separate boards to use dumb RGB strips. 2018 I made my own controller using an Arduino with transistor switching boards. I have 25 boards each with 6 NPN...