Content for 2N2222

Spiraling Lasers

“There have been several projects building motor/mirror laser light shows, but most use custom electronics or only manual controls. I liked the motor idea, but wanted to control it using a standard Arduino to minimize the unusual hardware and …

Wireless digital scale

“This scale is wireless. It may be useful where you can’t operate a normal scale, due to the weather outside, or if you don’t want to scare birds or other creatures away. With this scale you can weigh …

Super Power JOULE THIEF

“Joule thief is a minimalist Armstrong, self-oscillating voltage booster that is small, low-cost, and easy to build, no needs many materials to make it. I made this because i need to power up something in emergency situations. It can kept …

PIC16F628A Programmable Digital Timer

“Programmable relays find use in numerous automation applications such as automatic street light control, watering and pump control, HVAC, home automation, power plants automation in industries, etc. This article describes how to build a fully functional, one-channel programmable relay switch …

Arduino Shooting Game Arcade

“This instructable is all about making your own all in one Shooting Game within your budget. The project is now of alpha version.The animations and game, you are seeing in videos are preliminary. You can do many thing that …

Control TV With Any Phone (Even phones without IR blaster)

“Do you want to control your TV and several other gadgets that are IR controlled? Ya but my phone doesn’t support it because it doesn’t have an IR blaster.Don’t worry here a gadget that gives IR …

Automatic Night Light

“Automatic Night Light . A slight detector,mostly used for home or Garden like street lighting lamps, but without any Controller Switch Using Relays etc…How to make a very simple circuit and very cheap method to build one. Responsible for …

How To Make Wireless Electricity Transmission Circuit - DIY (Step By Step)

“Step By Step ( Even Soldering The Components ) Video On How To Make Simple Circuit Transfer Electricity Wirelessly . Its Amazing Project Also Its Very Chip And As Always Its Fun To Make . Anyone Is Welcome To Make Suggestions For Improvements. Good …

Auto Power Off: save batteries

“This little circuit allows your microcontroller to cut the power off. To turn the circuit on press the button. To turn it off drive the “to microcontroller” signal high using whichever condition you like. For battery applications you might want …

Super Efficient Joule Thief DIY

“A joule thief is a minimalist Armstrong self-oscillating voltage booster that is small, low-cost, and easy to build, typically used for driving light loads.It can use nearly all of the energy in a single-cell electric battery, even far below …