/challenges-projects/project14/diytestequipment/b/blog/posts/multi-ref-mk-iiThe Multi-Ref is not a test device as such, but the tool I use to test my test equipment. I got the idea for this from the user [matseng] as the Dangerousprototypes.com forum , and found it very useful.MrRef, as it was called, is just two coin cells pen-USTelligent Community 12https://community.element14.com/challenges-projects/project14/diytestequipment/b/blog/posts/multi-ref-mk-iiTue, 22 Aug 2017 22:32:28 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:f0d6ab79-a753-4af1-a376-a6ec4650d02fshabaz2<p>Nice Reference box!</p><p>Very cool that it has many different references all in one unit.</p><p>Regarding that REF200, I too tried a mini-reference with it a while back, unlike the four current range topology you have, I went for a three-output topology, for current source/current sink/voltage reference outputs, depending on what combination a couple of push-buttons are set to. <a class="jive-link-blog-small" href="/technologies/internet-of-things/b/blog/posts/iot-analog-i-o-and-sensors-precision-voltage-and-current-reference">IoT Analog I/O and Sensors – Precision Voltage and Current Reference</a> </p><p>Your Multi-Ref is far more comprehensive.</p><img src="https://community.element14.com/aggbug?PostID=3466&AppID=175&AppType=Weblog&ContentType=0" width="1" height="1">