We kick off 2026 with the annual Power and Energy edition of Elektor. Inside, you’ll find a range of insightful tutorials and projects from our global community of engineers and makers. From Saad Imtiaz’s updated battery-monitoring system to Ton Giesberts’s low-noise lab power supply, this edition is packed with inspiring projects and helpful tutorials. Enjoy!
 
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Inside the Elektor January/February 2026
If you’re looking for in-depth projects about power and energy, we’ve got you covered. This edition is packed with articles that will keep you busy well through February!
 
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Table of contents
  • Batteries Today: Technology and Differences in Lithium Batteries
  • Step-Down Converter from 48 V to 5 V: A Story of Circuit Development
  • PbMonitor v2.0: Introduction to the Updated Battery Monitoring System
  • Simple Charger and Capacity Tester With Two Cheap “Off-the-Shelf” Modules
  • Low-Noise Lab Power Supply (1): A Quiet Source for Sensitive Circuits
 
Low noise lab power supply
Low-noise lab power supply
  • Wireless Device Powering With Inductive Technology
  • Adjustable Electronic Load: Static + Dynamic DC Load
  • Autonomous Sensor Node v2.0 (2): Hardware Validation and Power Optimizations
  • Graphical Grid Frequency Meter: Monitor Grid Quality
  • Adjustable USB-C Power Source: Turn Your USB-C Charger Into an Adjustable Power Supply
  • Smart Color Detector with AI Voice and Playback
  • Precision Picoammeter (2): Assembling, Calibration, and Test
  • A Fan for the Mini Reflow Plate: Smart Modifications That Improve Results
  • Sound Card as Signal Generator: PC as DCF77 Test Transmitter
 
Grid frequency meter
Grid frequency meter circuit.
  • Elektor Live! Expert Day 2025
  • Peculiar Parts, the Series: Varistors
  • Starting Out in Electronics…Brings Its Own End
  • From Life’s Experience: The Tsunami of Indulgence
  • 2026: An AI Odyssey — When Models Start Dictating the Hardware
 
Stm32 contest winners edge ai article
Check out the winners!
  • STM32 Edge AI Contest 2025: The Winners
  • Review: Fnirsi DPS-150: Compact and Portable Power Supply and Converter
  • AI-Based Autonomous Driving: The RDW’s Self Driving Challenge 2024
  • Peak Current Load SMD Ferrites: More Resilient Against Current Peaks
  • Energy Harvesting Set to Accelerate IoT and IIoT Use Cases

More Power and Energy

Elektor is an essential resource for power- and energy-related content. We cover everything from battery monitoring applications to DIY solar installations. Elektor Gold and Green Members can immerse themselves in these subjects all year! Our members enjoy full access to Elektor’s online library, as well as a 10% discount on many products in the Elektor Store. We will also post the free Bonus edition associated with this magazine on our Power and Energy page.