Basic Experimenter Board for rapid prototyping of electronic circuits


Raj of Embedded Lab has published new project the Basic Experimenter Board for easy prototyping of electronics circuits:

Most electronics projects require some common stuff like regulated power supply, input tact switches, and output LEDs during prototyping and testing phase. Wiring these things on a breadboard for every new project could be time consuming and boring. We introduce you the Basic Experimenter Board, a general purpose develoment tool that will not only reduce the prototyping time for your next project but also free up plenty of space on the breadboard. It features regulated 3.3V and 5.0V power supply on board along with four output LEDs, four input tact switches, one output buzzer with driver circuit, a potentiometer for simulating analog input, and a 480-point breadboard for rapidly prototyping and testing your electronic circuits.

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  1. Yup, you can buy a pre-assembled board for $25 bucks plus shipping through Tindie. Follow the link in the post. The board comes with a 9V battery clip (only) and a set of those dirt cheap, ubiquitous, and sometimes unreliable male-male jumper wires you see all over the place. I’ll let you decide if that’s fair deal or not…

    I have always been surprised generic boards like these aren’t common from the Chinese sellers like Seeed or those on ebaY.

    One thing missing from this board that costs almost nothing is a stiff post or heavy gauge wire loop on the board where scope, meter, and logic analyzer probes can be securely star-grounded. Also I would have used bolt down PTH TO220 78XX pin-compatible regulators for a bit more current and most importantly – ease of replacement. Up the PTC “Fuse” rating while you are at it. But the unlike the grounding post idea, the regulator changes add cost. Now I want binding posts in addition to the barrel connector. Hmmm… Feature-Creep sets in.

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