Digital Electronics is the counterpart of Analog Electronics and it deals with digital circuits that operate using digital or discreate signals. A typical digital circuit can be designed using basic elements like Transistors, Logic Gates, Flip-Flops or even using complex elements like microcontrollers, microprocessors and other computing chips. This section consists of a huge collection of basic digital circuits with schematics and detailed explanation, to help you build digital electronic projects. You can also check out the Embedded Electronics section for advanced digital circuits that are designed using microcontrollers and microprocessors.
Engineer and creator Shane Wighton has upgraded his robotic mini-golf system to tackle complex, physics-heavy shots with near-perfect accuracy. The project combines a motorized golf club with a full motion-capture setup, allowing the system to precisely track the ball, club, and course geometry. By scanning real-world mini-golf layouts into a digital model, the system can analyze terrain…
A unique experimental clock created by soiboi soft is gaining attention for its unusual way of telling time. While it may look like a fully air powered system, the design actually combines pneumatic logic with electronic control. Instead of relying only on circuits and chips, the clock uses air pressure to form its display, while electronics handle precise timing and control, making it a…
Optocouplers frequently fail without a sound in labs or during repairs. The package appears to be undamaged, but there may be no output from the LED source or the photosensitive output stage. Testing for failure with a multimeter is only partially effective, whereas a dedicated optocoupler testing circuit provides clear results in just seconds. For related tutorials…
By Keshav Padia
Hi everyone!, my project is a standalone Smart Library Kiosk designed to replace the traditional librarian counter with a self-service system. Built on the Adafruit Memento Development Board (from DigiKey) with an ESP32-S3 chip, it runs independently-currently powered via laptop but easily adaptable to a 3.7V LiPo…
A new breadboard-friendly power supply called ProtoV MINI has been announced and is expected to launch soon. Roughly the size of a credit card, the device is designed to plug directly into a standard breadboard and power both rails independently using a single USB Type-C input. Each channel can be adjusted up to 20 V with fine digital control and includes current limiting and built-in…
In the world of flip-flops, the Clocked JK Flip Flop stands out with its outstanding features, such as all usable input states and the ability to be modified to imitate other flip-flops like SR, T, and D. This makes the JK Flip Flop a little better than the others. It's often called a universal flip-flop.
The JK flip-flop's main…
The GST is a framework that was specifically introduced to harmonize taxation across India. However, over the years, it has somehow evolved into a complex system that businesses, particularly small and medium-sized ones, struggle to navigate. We are now about to witness one of the most drastic changes GST has seen since its inception as the government attempts to…
Traditional analog power supplies struggle to keep up with today’s performance and control accuracy requirements, which have gotten way stricter. Even though digital power supplies work better, they’re just too expensive and use too much power for smaller industrial applications. This makes their use limited. To counter this, ROHM has just announced a new reference design for power supply…
An SR latch is a basic memory element in digital electronics that stores binary data using Set and Reset inputs. This tutorial covers the SR latch truth table, the circuit diagram, and the working principle of basic, gated, and clocked SR latch variants.
Initially, after the introduction of transistors, engineers constructed simple latch circuits using transistors. After several…
The Clocked SR flip flop is one of the most fundamental sequential logic circuits in digital electronics. Unlike basic SR latches, a clocked SR flip flop circuit uses a clock signal to control when state changes occur, making it essential for synchronous digital systems. This comprehensive guide covers the clocked SR flip flop truth table, circuit diagrams using both…
Rob Grenier became paralyzed after a car accident in 2022. He very recently received a Neuralink brain implant in June 2025 and shared this captivating experience on X, calling it “absolutely amazing”. He was able to move a cursor and play video games using only mental commands.
The technology fundamentally is a small implantable chip that’s designed to form a direct communication path…
A flip-flop in digital electronics is formally defined as "A bistable device with synchronous inputs that changes state only at specified transitions of a clock signal" (IEEE Standard 91/1984)
In general, flip-flops are fundamental components in digital electronics, capable of functioning as 1-bit memory storage devices. Unlike…
