Reply To: No Voltage on ControlBlock Pins Home › Forums › RetroPie Project › GPIO Adapter, ControlBlock etc. › No Voltage on ControlBlock Pins › Reply To: No Voltage on ControlBlock Pins 02/13/2016 at 15:34 #116947 petrockblogKeymaster I know that we have been in contact via email, I am just posting this here so that others might get help of it as well. The ControlBlock driver has been updated a few days ago. This update fixes some reported issues with the SNES configuration of the ControlBlock. You can also find an updated step-by-step guide for the installation at http://blog.petrockblock.com/2014/12/29/controlblock-power-switch-and-io-for-the-raspberry-pi/#Command-Line_Installation.