The IL-6A device is an annunciator lamp controller for aircraft applications.  It simplifies the wiring of annunciator lamps by providing a convenient way of profviding the lamp test function and dimming for night operations.  It drives up to six incandescent or LED lamps while sensing either active high or active low inputs.

This product is also available fully assembled and tested.  See the project page in The Hangar Workshop for the open source documentation.

Technical Summary

• Sense inputs:
• Seven active low
• Seven Active high
• Lamp outputs:
• Six active low (switched to ground), capable of up to 100mA drive current each
• Drives incandescent or LED lamp modules.  LED lamps with internal ballast resistors are recommended
• Lamp test function
• Supports external lamp dimmer