Posted October 9, 20204 yr Is it possible to power a power functions IR receiver with an 9v LEGO train speed regulator or an other non-LEGO 9v power supply, instead of a power functions battery box? I tried the 9v train speed regulator, it doesn't work, but the power function lights and motors are running well on it.
October 9, 20204 yr SavaTheAggie's response may help you. I have seen someone on Youtube use the battery box for this. Sariel has good info too.
October 10, 20204 yr The 9V train speed regulator would output to the C1/C2 pins on the PF connector. The IR Receiver needs power on the +9V and ground pins of the PF connector to work. The PF LEDs and motors are powered by the C1/C2 pins that's why they work with the train controller.
October 13, 20204 yr Author Thanks for the information. I added a battery box as shown in the first Youtube movie and this works.
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