hobbies circuit | Next Electronics

A DIY kinetic energy harvester utilizing the electromagnetic method to generate electricity. The materials that will be used are currently known. The project involves creating a kinetic energy harvester that converts mechanical energy from motion into electrical energy through electromagnetic induction....

turret diy

For maximum mini-security, this RC Tupperware Turret delivers a formidable deterrent against food theft. While it lacks motion sensors, potential food thieves will think twice before attempting to swipe baked goods. This 11-hour project, designed by Chris of PyroElectro, emphasizes...

Glue stck torch

This project, developed around 2005, involves constructing a torch using a glue stick, which conveniently accommodates an AA battery within its plastic casing. To create a functional battery holder, contacts for both the positive and negative connections are necessary. The...

dyi setup and debugging guide

This page discusses the differences between assembled Open USB FXS dongle boards and DIY boards. While the assembled boards are fully tested and quality control approved, DIY boards may encounter various issues during assembly. Fortunately, most of these issues can...

Help with a schematic please

A project is underway to construct the CountryHick DI as illustrated on DIYFactory, incorporating a few minor modifications. The final design aims to be a 1U unit with four inputs. The CountryHick DI (Direct Injection) box is a crucial tool in...

The light side and classic electronics art sculptures

Jim Williams possessed a rare ability to combine his diverse talents in science, art, invention, and engineering. He created easily comprehensible tutorials, application notes, and technical phone conversations with customers, which facilitated improved designs in the field of electronics. Jim Williams...

how to convert a 9v battery to 3.7v

A regulator circuit is needed for this DIY project. Familiarity with electronic components, circuitry, the use of a multitester, and a soldering iron is essential. The schematic diagram provided can accept an input voltage ranging from 6 to 24 volts...

Crescendo ampilifier elektor1982

The Elector Crescendo was the first DIY amplifier that was not a kit. The design was sourced from the Elector magazines available at a local library. The Elector Crescendo is an innovative audio amplifier designed for DIY enthusiasts. It features a...

Homemade Metal Detector Kit

A simple home project can quickly become problematic if it encounters electric cables, gas, or water pipes, or the central heating system. Using a metal detector allows one to check for metal objects within walls, ceilings, or floors beforehand. An...