Digital Simulator bitGateLab

Logic gates & 3D breadboard

Free · In-App Purchases · Designed for iPad. Not verified for macOS.

bitGateLab Digital is a digital electronics lab on your PC, phone or tablet: design a circuit with logic gates, watch it run live, get its truth table and Karnaugh map, check the timing diagram and build it on a 3D breadboard with step-by-step wiring. No account needed. The free version needs internet for ads; with Premium it works offline. DESIGN AND SIMULATE • AND, OR, NOT, NAND, NOR, XOR, XNOR and buffer gates; inputs, switches, push buttons, DIP banks, LEDs, LED strips and bar graphs, 7- and 16-segment displays, buzzer. • Sequential logic: D, T, JK and SR flip-flops, clock, crystal, counters, 555 timer, word generator, serial monitor. • Components: multiplexers, buses, ROM and RAM, H-bridge, motor, optocoupler, registers. • Group any part of the circuit into a reusable block with its own pins. • Undo and redo, copy and paste, named and colored wires, grid and automatic fit. TRUTH TABLE AND KARNAUGH • Type a boolean equation or fill in the truth table and turn it into a circuit with one tap. • Karnaugh maps from 2 to 8 variables, with groupings, canonical form, minterms or maxterms. • Step-by-step simplification naming each law applied, NAND form and Verilog export. • From the circuit back to the truth table or the Karnaugh map. TIMING DIAGRAM • Every input combination as a binary counter, with the hex value of each cycle. • A and B probes to measure intervals, X and Z levels, slopes and propagation delay per logic family (TTL, CMOS...). • Export to PDF. 3D BREADBOARD • Your circuit becomes a real build on its own: 74-series chips, resistors, LEDs, switches and wires on one or more breadboards. • Step-by-step guide hole by hole (for example 44i → 12i), bill of materials and net list. • Move chips, LEDs and switches where you like, recolor wires, isolate a net or a single wire, undo and redo. • Labels on every input and LED, free rotation, zoom and image capture. MICROCONTROLLERS AND PROGRAMMABLE LOGIC • MCU51 (8051-compatible) and MCU14 (14-bit): program in C or assembly, assemble and single-step with registers, ports, timers, interrupts and UART. • 16V8, 20V8 and 22V10 PLDs: equations, fuse map and JEDEC file. • Ready-made examples: counters, blinkers, traffic lights, serial communication and more. SHARE AND SAVE • Save your circuits with version history; share them as a file, a link or a QR code. • Export images as SVG, PNG, JPEG, WebP or PDF, and code as Verilog. • Number systems calculator, two's complement and binary operations with flags. FOR LEARNING AND TEACHING • Reference of boolean algebra laws and theorems. • State table and state diagram of your sequential circuits. • Large-button interface, comfortable on PCs, phones and tablets; light and dark themes. • 16 languages: Spanish, English, Portuguese (Brazil and Portugal), French, German, Italian, Russian, Polish, Dutch, Turkish, Chinese, Japanese, Korean, Arabic and Hindi. PRIVACY No account and no cloud: your circuits are stored only on your device. Something not working? Settings → Report a problem sends your message with the app version, device model and a technical log, with no personal data. The free version shows ads; Premium removes them. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://juchabit.com/privacy-policy/

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The app is now free and complete, with ads; Premium removes the ads. The medium breadboard now has power rails on both the top and bottom.

Version 1.0.13

The developer, RUBEN ESTRADA MARMOLEJO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    The following data may be collected but it is not linked to your identity:

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Accessibility

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Information

Size
49.9 MB
Category
Education
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPad
    Requires iPadOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English
Age Rating
4+
In-App Purchases
Yes
  • bitGateLab Digital Lifetime 34,99 €
  • bitGateLab Digital Monthly 1,99 €
  • bitGateLab Digital Annual 17,99 €
  • Learn More
Provider
RUBEN ESTRADA MARMOLEJO
  • RUBEN ESTRADA MARMOLEJO has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
  • Address
    isis 2146
    44840 Guadalajara Jalisco
    Mexico
  • Phone Number
    +52 3326373193
  • Email
    byte@bitgatelab.com
Copyright
© 2026 Juchabit
  • Developer Website
  • Privacy Policy

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