I'm using 4.5 volt to illuminate 2 diodes (in parallel) that each require 4.5 volts. Simple.
Now I want to insert a sc-hr501 Pir between the battery and diodes to be a motion sensor. I hoped that the Pir would simply act as a switch and pass the battery's 4.5 volts on to illuminate the diodes ... But too little voltage is being output by the Pir. Am I doing something wrong? It has been suggested that I need to add a transistor to redirect the battery's 4.5 volts directly to the diodes when the Pir becomes active. Can you help? Thank you.