Last year I bought an original overhead panel. Now the panel is being modifyed. This panel shall be equipped with two Open Cokpit master cards, two or more Open Cockpit servo cards. I'll try if I can use Volt, Amp, Heater current gauges in the original version, as these can be controlled by a given voltage. The other gauges must be disassembled, then the innards must be removed and a servo motor to be mounted instead. All lamps are already replaced with LED so that they can be connected directly to the Open Cockpit master card.