schematic for toy phone space sword
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Ringing Phone Light Flasher
I have received several emails asking how to connect up some lights so that when the phone rings, they flash. This is very useful in a situation where there is lots of noise and it is impossible to hear the...
Ringing Phone Light Flasher Circuit
This document explains how to connect lights so that they flash when the phone rings. This setup is particularly beneficial in noisy environments, such as workshops, where it is challenging to hear the phone ringing. The ring detection component of...
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...
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...
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...
Ringing Phone Light Flasher circuit
The inquiry pertains to the connection of lights that flash when a phone rings. This feature is particularly beneficial in noisy environments, such as workshops, where hearing the phone may be difficult. A device designed for this purpose is presented,...
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...
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...
phone
Distinctive ringing allows phone service customers to have two phone numbers using a single twisted-pair line. The standard ring cadence indicates that someone is calling on number X, while the distinctive ring cadence signifies that someone is calling on number...