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Learning PICs @ PCB Heaven
Welcome to our first on-line PIC learning book!

This book will learn you how to program a PIC micro controller. The book has three sections, the beginner's section, the intermediate and the advanced section. Each theory has an on-line test as well to test the knowledge taken from this page. Also, at the end of each section, there are several circuit tutorials fully documented with all code and schematics needed for implementation!



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Latest post:




Dan Wagoner after managed to get Asterisk grab info about sensors connected to an ethernet-enabled Arduino
thought of doing the reverse thing.
Allowing Arduino to make outbound calls through the Asterisk system has many potentials like making alarm systems, doorbells or whatever your imagination comes up with.
Dan not only managed to do it as you can see in the video but he's giving all the info you want to do it yourself here.
Go to the Hacks'n Mods page!

Experimenting with a Liquid Flow Sensor
A friend of mine (thanks Siv) gave me this flow sensor. it comes from a professional (and expensive) household apparatus. It is proper for drinking water and can be connected directly to the water supply. It has a built in controller that provides pulses. With this experiment i will find the pulse counts for a specific amount of water.

Experimenting with Thermocouples
I run some experiments with a pair of K-type thermocouple wire. The purpose is to see how the thermocouple junction behaves, as well as to have fun with it by measuring some high temperatures!

Wall Clock Accurate Oscillator Hack
This experiment has to do with the ordinary Chinese wall clock mechanisms. At first, i try to find out how the brilliant mechanism operates. Then, i make an accurate oscillator for my projects out of this clock, and with this oscillator i make a.... LED flasher...


An LED Pushbutton
With materials ripped off from old appliances and junk-PCBs, i made a fancy LED pushbutton. The LED is fully functional and can turn on and off independently, while if you press it, it makes contact at a NO micro-pushbutton.

Men Of War Game Console
Men Of War is my favorite game so far! I will make a Game Console for this game, so that i can take advantage of game shortcuts. But more important is the joystick that this console will have. This joystick will simulate the keyboard arrow keys along with the control key. In other words, this keyboard will engage and disengage Direct Control automatically upon move! This is the best feature that all Men Of War gamers would like to have, especially when playing this boring "Only Tanks"....

Instant Cold Coffee Machine
The Greek style instant cold coffee is an excellent coffee for the warm days. Yet, there is no machine built for this, as it would only sell in Greece. So, i have to make my own machine...

Homemade Soldering Station
For under $40, i made a professional-like sodlering station. This controller will read the temperature from the soldering tip, and will turn on or off the heater accordingly. This is a characteristic only for very expensive soldering stations. Cheaper sodlering stations have only (unlike my controller) a PWM or a similar power controller, that only sets the power delivered to the heater, WITHOUT TEMPERATURE FEEDBACK.


An LED Array PWM Dimmer with the 555
Connecting the 555 as a PWM generator, i drive with it an LED array. This circuit performs an LED PWM dimmer with minimum components and high power efficiency, especially in low LED brightness. It can be powered in a wide voltage range from 4 up to 15 volts. Along with its compact size, it is ideal for camping or night fishing, and generally whenever mobility and long-time use is required.

Full and Half Stepper Motor Controller with the Sanyo STK672-110
A full and Half wave stepper motor controller for 2-phase hybrid unipolar stepper motors. The circuit uses the STK672-110 hybrid chip from Sanyo and 7 external simple components. The speed is controlled with the frequency of a pulse signal, while the rotation direction is controlled with a single wire.

LED Off Delay with dimming effect
This is an extremely simple LED off delay circuit with dimming effect. A pushbutton turns on a number of LEDs, which are kept on as long as the button is pressed. When the button is released, an off-delay will keep the LEDs turned on for an amount of time. Then, the LEDs will start dimming slowly, until they are completely turned off. I have include 4 different schematic diagrams for 4 different power supplies (5, 9, 12 and 15 volts). A single circuit can control up to 104 LEDs @ 15Volts.


PCBHeaven BLOG (latest 3 added)  
View all PCB Heaven BLOGs...   
PC Fan Controlling Methods
Having the fans categorized by the number of wires they have, i explain the reasons and the ways that they can be controlled. For each controlling method i have at least one link to a circuit that demonstrates this method, as well as i have links to interesting theories for the operation of the PC fans.

The Origin Of Internet
Do you really now the origin of the internet? This article is the general accepted (perhaps unofficial) story of the birth of what we today know as “Internet”.

Electronic waste and recycling
Loads of electrical and electronic devices are dumped every day uncontrolled in landfills polluting fields and the underground water. We have to know that electronic waste is highly toxic and full with carcinogenic substances and in a heavily polluted environment such as ours there has to be some kind of guidelines in order to prevent or minimize further pollution.


 

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