Power supply, volt meter, & Counter in a USB dongle enclosure.

I have completed my first round of prototypes. I used Seeed’s Fusion PCB assembly for my second round. The boards are in and in the process of design verification. So far all is good.

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My brother completed the mechanical design and I finished the front and back labels.

I completed the first add-on board for the educational market. This board presses in the four banana sockets and makes an easy setup for 15 lab experiments in an electronics class.