Joule Thief circuit run an LED with single battery
#joule thief
#LED
#single battery
#voltage booster
#energy efficient
#DIY
#low voltage
#circuit
#electronics
#power saving
No description available.
simple and cheap dark detecting led
How can an LED be activated in low light conditions? This scenario, often referred to as the "nightlight problem," is applicable in various situations such as emergency lights, street lights, and even computer keyboard backlights. There are numerous solutions available....
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...
MePADS
If you are considering building the Desert Ratt 2, it is advisable to read all the accompanying text, as it contains relevant construction details. Engaging with the comments and replies can also provide additional insights, as previous blog posts have...
LED Hat
This unique hat is a product of a procrastination project. During the study break for final exams, an invitation was received for a friend's hat-themed birthday party. With little else to occupy time (aside from studying), the decision was made...
Dimming Control Circuit for LEDs
A dimming control circuit generates a dimming control signal to determine the brightness of at least one light-emitting diode. The dimming control signal consists of multiple bright-dark cycles, each comprising a bright phase and a dark phase. The bright phase...
Six LED Stereo VU Display
The following circuit is a six LED stereo VU display diagram that is constructed using the Dot/Bar Display Driver IC LM3915. This VU display should be connected before the amplifier module circuit. It can be connected at the pre-amp output,...
automatic low power emergancy light
An emergency light system utilizing white LEDs, which provides several advantages: 1. It is highly bright due to the use of white LEDs. 2. The light activates automatically during a mains power failure and deactivates when mains power is restored....
MONITOR POWER SAVER FOR COMPUTERS
The circuit monitors PC keyboard activity through a five-pin DIN connector J1. When a key is pressed, the keyboard transmits a series of negative-going pulses on pin 2. In conjunction with Q1 and C3, the operational amplifier operates as an...
knight Rider 2
This project describes a light effect that is similar to the one of the car in the TV series "Knight Rider."
The light effect project emulates the iconic scanning LED light sequence featured in the "Knight Rider" television series. The design...