While the name may sound confusing, the operating principles of a Dual Concentric encoder are simple:
The Class Echo supports the ‘Elma E-37’ model of Dual Concentric encoder. This model can be bought directly from Leo Bodnar:Click to Visit Leo Bodnar’s Elma E-37 Listing IMPORTANT: The Elma E-37 kit requires assembly (Soldering the encoder to the included breakout board).
IMPORTANT: You must purchase a knob with your Elma E-37 from Leo Bodnar. Please choose your knob under the “accessories” dropdown over the buy button. You can also choose a more premium “Soft Touch” rubber knob from Leo Bodnar as well.
The base kit comes with:– Dual Concentric Encoder– Breakout Board– Header Pins
All you need to purchase is the E-37 with a knob. **Unfortunately, the PropWashSim DC Encoder is not supported.
The Elma E-37 kit and knob is pictured. One again, the knob assembly is sold as an accessory and must be selected over the buy button when adding the encoder to your cart. The Encoder Kit Contents:– Dual Concentric Encoder Body– Pin headers – Breakout Board– Encoder NutPictured to the right is the knob, which comes in three pieces: – Inner Knob– Outer Knob– Inner Knob Cap
Orient the breakout board and the encoder body in the way show in the photo. Note the following:
Start with a light application of flux on the pins, then apply solder:
Apply a light coat of flux to the header pin holes – this should help hold the header pins in place before you solder them.
IMPORTANT: solder the header pins so that they stick out the BACK of the encoder, not toward the front where the spinny bits are!
Enjoy your dual concentric encoder! Here are some features you can use it for:
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