I made a standalone programmer for the car's ECU using my own. I've added some switches, racks, a meter, and a power supply, and I have a standalone box to program and use as a standalone power supply. For that it was perfect. The metal plates are a bit flimsy for knockout stamps and tend to bend when pierced. The layering of panels between two boards fastened together fixed this. However, once assembled, the plastic frame and metal corner connectors will keep their shape, making everything more durable. I think it's good value for money. You don't get a premium box, but you don't pay that price either. I would buy one of these in the future if I had another project that needed it.
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