File:Build a buffer - step 5. OP-amp, battery cables & signal connections added (1999-06-01 14.26.59 by germanium).jpg - Wikimedia Commons
Do-it-yourself buffer pedal | TalkBass.com
EPK - OpAmp Buffer Kit diy pedal | Reverb
Here's a simple buffer from JHS. It really only uses one side of the opamp (why not just use a TL071?) and … | Diy guitar pedal, Guitar pedals, Semi acoustic guitar