Just received shipment today. I revised sizes and the design of my PCBs so all are now the same height. The 4SX1 is designed to take input from my Cobra firing system and allows me to shoot up to 4 items via quick plug igniters. Anything less than 4 would require a jumper on unused pins. I’ve attached pictures of with and without a jumper. Size of the PCB is 2.5″ x 1.5″.
The 8SX1 is identical in size to the 4SX1 and operates in much the same manner except you can attach up to 8 quick plugs.
The 4SX8 is essentially 8 4SX1s on the same PCB. Its size is 2.5″ x 9.5″. As I mentioned in a prior post these are going on most of my mortar racks as I have 24 shot (8 rows of 3 mortars) and I like to shoot 3 shells at a time. Still working on a design to attach and protect these on or near the mortar racks. You could even use this for a grouping of cakes, comets, mines etc.
The only thing I am disappointed about is I forgot to select the option to remove the id number from the PCB, but live and learn.
I was able to test the 4SX1 with 4 igniters. All 4 ignited successfully.
Below are pictures of the finished products.
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