Tiny Tapeout 4-bit ALU - Wokwi ESP32, STM32, Arduino Simulator

# Blank project

A 4-bit ALU for Tiny Tapeout 2026$
Adding and subtracting 4-bit numbers
AND/OR for 4-bit numbers

## Usage

1. Add parts by clicking the blue "+" button in the diagram editor
2. Connect parts by dragging wires between them
3. Click the green play button to start the simulation

Overflow

Final Value

A+B

A&B

(A+B)&Cin(0)

(A+B)&Cin(1)

(A+B)&Cin(2)

Cin(2)

Cin(1)

Cin(0)

Input 1-8

Switch Mode 1,2

Loading
tt-block-bidirectional-io

ERC Warnings

ttio1:OUT: Input pin not driven

ttio2:OUT: Input pin not driven