An easy 8-bit way to create standard beat loops!

Setting up the 8-bit counter HCF4017 with two possible connections, it is plausable to create beat loops, adjusting the velosity and the phase through the R1 & R2 that control the timing and duty cicle of the 555 timer.

 

Caution

Do NOT exceed 9V of power supply! It may harm speaker <8Ohms