The Tremulous Bear from Small Bear Electronics is a highly versatile tremolo pedal made from easy-to-find components. The T-Bear can be built on perfboard or on a PCB from Small Bear.

Notable Features:

• Switch between triangle and square wave LFO
• Uses the 555 timer integrated circuit
• Switch between Varible and 50% volume cycles

Price:

• $84.95 for full kit
• $15 for PCB only

More Information:

• A perfboard build walkthrough
• Parts available from Small Bear