The Elektor Circuit Special 2026 is here with a fresh collection of practical circuits and hands-on electronics projects. Explore designs including an ESD strap tester, a contactless magnetic combination lock, a T3 surge protector, and much more.
Looking for fresh circuits and practical electronics projects? The Elektor Circuit Special 2026 has arrived! Continuing our annual summer tradition, this special edition delivers high-quality content for engineers, makers, and students. Inside you'll discover new circuit designs, inspiring DIY projects, and practical ideas to sharpen your skills. Whether you're building at the workbench or planning your next design, you'll find plenty of inspiration for your next project. Featured projects include an ESD strap tester, a contactless magnetic combination lock, a T3 surge protector, a low-noise battery-powered preamp, and much more.
Circuit Special 2026
Inside the Elektor Circuit Special 2026
The Elektor Circuit Special 2026 is packed with practical designs, useful tools, and inspiring projects for every electronics enthusiast. Here's a preview of some of the circuits and articles you'll find inside.
Table of contents
A Current Source for Testing (Z-)Diodes
ESD Strap Tester: A Bench Tool with Pass, Borderline, and Fail Indication
Power Supply Transient Response Tester
A Contactless Magnetic Combination Lock: With the AS5600 Rotary Position Sensor
Low-Noise Battery-Powered Preamplifier: For Dynamic Microphones
Rhythmic Bass Light: Emphasize the Rhythm of Your Music
T3 Surge Protection: A Type 3 Spike Suppressor for Your Sensitive Equipment
IoT Room Thermostat Board: With ESP32-C3/S3-Based Xiao MCU module
Test Z-diodes up to a maximum of 54 V. The device can be powered by the usual 5 to 12 V.
Precise 1 Hz Square Wave Generator for Breadboards: A Reliable CMOS-Based Clock Source
555 Upside-Down: Duty Cycles Down to Zero
Euclidean Sequencer Without a Microcontroller: Trigger Patterns and CV Sequences with Simple CMOS Logic
LED Flashing Light: For Gates and More with an Audible Alert
Toothbrush Timer: Using a Tiny PIC
How to Fix a Donut Antenna
Standby Killer: A Real On/Off Switch for Your TV
The microphone preamplifier (PNP version).
Spongillator: A Sponge-Based Oscillator
3D Viewer for HTML Pages: Simple, and Almost Without Code
Programming with TLScript: A Scripting Language for Measurement, Testing, and Control
True Random Number Generator: With Integrated Chi-Square Test
TRNG: The heart of the analog circuit is a noise signal source built with transistors Q1 and Q2.
One Board, Endless Ideas: Arduino UNO Q: From Retro Gaming to Real-Time Environmental Monitoring
Battery Testing: Measuring Batteries with the Arduino Nano
Power Supply for Audio Power Amplifiers
Prototyping Boards for RF: Fast Setups with DIY Prototyping Boards
Low-Cut Filter: No Risk of Audio Feedback on Your System
The low-cut filter.
Need PCBs? The Elektor PCB Service Has You Covered
From Halfgeleidergids to Circuit Specials: 65 Years of Electronics Innovation
Circuit Design: Tips from Experts
Feedback: What Is It and Why Is It Important?
The Arduino Nano TestLab: Measurement, Control, and Regulation
Electrical Isolation: CAN Interface with Digital Isolator and Power Module
From Rigid to Smart: Flexible and Printed Electronics — Between Vision and Industrial Reality
Power supply for audio power amplifiers.
More on Circuits & Circuit Design
Elektor is an essential resource for circuits and circuit design-related content. We cover everything from DIY circuits to PCB design tips and tricks. Elektor Gold and Green Members can immerse themselves in these subjects 24/7. Our members enjoy full access to Elektor’s online library, as well as a 10% discount on many of the products in the Elektor Store. You can also download the free Bonus edition associated with this magazine on our Circuits & Circuit Design page.
Elektor Magazine has been one of the leading sources of information on electronics for engineers, designers, start-ups and companies for 65 years. Our magazine is powered by an active community of electronics engineers – from students to professionals – who are passionate about designing and sharing innovative ideas.
For them, we publish hundreds of items a year, in formats such as articles, videos, webinars, and other learning formats. Our mission is to share knowledge in every possible way and inspire readers with the latest developments within the electrical engineering sector.
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