I contacted Adam at CopilotFX a few weeks back to see if he was interested in building a custom pedal for me. I was looking for a pedal to plug into the exp jack on another pedal (specifically my IE Xerograph) that would generate a tap tempo controlled LFO to sweep the Freq. I also wanted expression control over the multiplier and to be able to control the exp normally when the LFO was not in use. He got back to me very quickly and let me know that he could build exactly what I was looking for, and at a very reasonable price! He just let me know it is finished and will be on it's way from the Dominican Republic very soon! Here's a pic he sent me: Selectable waveforms, tap tempo, control over the upper range of the sweep, expression control of multipliers x1, x2, x4, and x1/2, the ability to bypass it and control the pedal manually, and really cool looking to boot. I will do a vid and a review when it arrives. So far the experience of working with Adam has been very smooth, with great communication on his part. Much love to Adam and all of the independent builders who go above and beyond.