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News
433 MHz RF Scanner Finds Active Channels Automatically
4+ hour, 46+ min ago (326+ words) Elektor Magazine The 433 MHz RF scanner demonstrated by Saad Imtiaz turns Elektorâs MultiRF Dev Board into a portable channel-finding and packet-monitoring tool Instead of rewiring separate radio modules for each check, the prototype uses an Espressif ESP32 to control the…...
Case Study: From Static Display to Smart Kiosk with Raspberry Pi
6+ hour, 35+ min ago (187+ words) Elektor Magazine Case Study: From Static Display to Smart Kiosk with Raspberry Pi Museums and trade shows have a problem: how do you keep a physical exhibit engaging for the thousands of people who walk past it every day? Static…...
New Elektor Zener Diode Tester
5+ hour, 55+ min ago (264+ words) Need a quick and reliable way to verify the breakdown voltage of a Zener diode or compare LEDs under controlled conditions? The new Elektor Zener Diode Tester Kit, now available in the Elektor Store, is designed to make component characterization…...
Raspberry Pi Touch Display 2 Grows to 10 Inches
1+ week, 3+ day ago (395+ words) The Raspberry Pi Touch Display has grown to 10.1 inches, with the company announcing the larger model this week. Priced at $80, the new Touch Display 2 combines a portrait-native 1200 × 1920 IPS panel with ten-point capacitive touch. It is intended for the Raspberry Pi…...
Elektor Lab Talk #49: Mobile Power, USB-C, and Batteries
1+ week, 4+ day ago (214+ words) Join the Elektor engineering team on Thursday, August 6, 2026, at 16:00 CEST, 14:00 UTC, or 10:00 EDT. This €25 show is free to watch thanks to eeNews Europe! The battery discussion will cover lithium-ion charging stages, protection circuits, storage charge levels, heat, aging, and the…...
The Ton Giesberts Collection: Practical Analog and Audio Projects
1+ week, 5+ day ago (376+ words) Elektor Magazine If you've been reading Elektor for a few years, chances are you've come across a project by Ton Giesberts Maybe it was a high-end audio amplifier, a test instrument, a Raspberry Pi board, or one of his many…...
BudKoin: Building a Smart Vending Machine Platform from the Ground Up
2+ week, 3+ day ago (274+ words) When a US-based startup came to us with an idea for a vending machine that could dispense anything from protein bars to gym shorts, we knew the hardware would be the trickiest part. They wanted a platform that fitness centers…...
PLACITECH: Bigger Builds and Maker Lessons
2+ week, 4+ day ago (472+ words) Electrical engineer and content creator Alessandro Placitelli returns to Elektor Engineering Insights on Wednesday, 29 July 2026, for a new conversation about PLACITECH and its move towards larger, more ambitious engineering projects. Date: Wednesday, 29 July 2026 Time: 16:00 CEST (10:00 EDT / 14:00 UTC) This €25 show is…...
Designing a Smart IoT Vending Machine with ESP32 and Cashless Payments
2+ week, 4+ day ago (169+ words) Elektor Magazine Designing a Smart IoT Vending Machine with ESP32 and Cashless Payments Our team designed and built a fully functional prototype from the ground up. We handled the firmware, the PCB layout, the 3D mechanical design, and the cloud backend. Bring…...
Moddo Pinch Board Measures Only 10.9 × 10.5 mm
2+ week, 5+ day ago (449+ words) The just-announced Moddo Pinch board is a 10.9 × 10.5 mm Arduino-compatible development board built around Microchip’s ATSAMD11D14A microcontroller. Toronto-based Moddo claims it is the world’s smallest 32-bit Arduino-compatible board, and it does manage to fit native USB-C, an RGB LED, a reset button,…...