Digital Electronics Guide vs BlueGrays

Digital Electronics Guide is a powerful reference tool for electronics students, engineers, and hobbyists. Whether you're just starting out or already experienced, this app helps you design, learn, and prototype with ease. It combines essential theory with practical guides and covers key digital electronics topics, including logic gates, counters, flip-flops, and IC reference data. The app also features detailed information on popular digital IC families such as TTL 7400 and CMOS 4000 series. Perfect for quick learning or as a companion for working on electronic circuits and digital systems. Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language! The app includes detailed tutorials and references for: • Basic logic • Families of digital chips • Universal logic elements • Elements with Schmitt trigger • Buffer elements • Flip-flops • Registers • Counters • Adders • Multiplexers • Decoders and demultiplexers • 7-segment LED drivers • Encryptors • Digital comparators • Astable CMOS Oscillators • Monostable CMOS Oscillators • Bistable CMOS Oscillators • Gated CMOS Oscillators • TTL Oscillators • 7400 series ICs • 4000 series ICs Whether you're learning, teaching, or building real-world digital circuits, Digital Electronics Pro is your trusted companion every step of the way.

160+ Arduino, ESP32 and Raspberry Pi Pico projects, each with ready-to-upload code, a circuit diagram, the parts list and a video walkthrough. Tell BlueGrays which parts you own and it shows the projects you can build right now. Plus 125+ component guides, 18 electronics calculators and pinout maps for the boards. PROJECTS • Arduino projects, ESP32 projects and Raspberry Pi Pico projects in one place • Step-by-step guide: parts, circuit, code and testing • Wokwi simulation videos in new projects: watch the circuit run before you build it • Rate projects, save favorites and track the ones you complete WHAT CAN I BUILD WITH MY PARTS • Workshop: save the components you own, with quantities • See the projects you can build with your parts and the ones missing the fewest • Project Finder: answer a few questions and get an Arduino, ESP32 or Pico project that fits you 18 ELECTRONICS TOOLS • Resistor color code and SMD code decoder • Ohm's law, LED resistor, series/parallel resistor and voltage divider calculators • 555 timer, op-amp gain, RC time constant and battery life • Capacitor code, inductor code, series/parallel capacitors and standard values • LED voltages, transistor table and logic gates • Save your calculations and share the results PINOUT • Pin maps for Arduino, ESP32 and Raspberry Pi Pico boards • Tap a pin to see what it does and what it is good for COMPONENT CATALOG • 125+ components: sensors, modules, motors, displays and more • Specs, use cases and the projects each component appears in • Add components to your Workshop straight from their page BADGES AND LEVELS • Earn badges as you learn and reach Bronze, Silver, Gold, Platinum and Diamond tiers FOR EDUCATORS • Bulk Premium code packs of 5 and 10 for your class MORE • Blog: step-by-step electronics guides on bluegrays.com • 6 languages: English, Turkish, German, Spanish, French, Italian PREMIUM Starter projects and the basic tools are open to everyone. BlueGrays Premium unlocks all projects, the full component catalog, Workshop, every tool and the pinout maps. SUBSCRIPTION INFORMATION • BlueGrays Premium unlocks unlimited access to all projects, the full component catalog, and the My Workshop inventory feature. • Payment is charged to your Apple ID account upon confirmation of purchase. • Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. • You can manage and cancel your subscription in Settings > Apple ID > Subscriptions after purchase. • Privacy Policy: https://bluegrays.com/privacy/ • Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/