New Puzzles to Solve

About the New Puzzles to Solve category (1)
Ring counter - new puzzle suggestion with harder option (14)
Show The Multiplication Operation Visually: Alternate Version of Challenge #48 (4)
Challenge: how high can you count? (9)
One ball adder - 4-bit + 4-bit (3)
[Hard] Simon Says (13)
Create a counter that can be incremented and decremented (13)
Compute the xor of two 2-bit registers (1)
New type of puzzle: binary input puzzles (17)
Build a Voting Machine (11)
Harder Version of Challenge #39 from the book (6)
One bit adder with carry (3)
[Hard] Binary input - Divisible by four (9)
Challenge: Square rooter (4)
[Hard] "Exception Handler" (8)
[Intermediate] Interactive batching (4)
Diagnose and interpret results (2)
[Theoretical, hard] Access an infinite number of columns (8)
Make it harder - a basic repeating pattern (11)
Challenge: Parallel adder (1)
Possible new pattern (1)
[Hard] "Long Division" (3)