Most of the circuits in the ARS2 is built from schematic designs made and supplied by other people, below is a list of what is what and links either to their sites or my own comments about the module.

• 4069 VCO - by René Schmitz
• Whitenoise - by René Schmitz
• 555-based ADSR - by René Schmitz
• Synthacon VCF - by Ken Stone
• ASM-1 LFO - by Magnus Danielson and Gene Stopp
• VCA - unknown source
• Switch matrix - own design
• Quad Sample-and-hold - own design
• PIC interface - own design
• Ringmodulator & suboctave generator - "own" design
• PSU - own design