Jose Pino's Projects and Tidbits. -

Charlieplexing 7-segment LED display.

Also known as "Multiplexing", here is a method how to control eight 7-segment displays using only 9 microcontroller ports. (August 20, 2009)
Category: microcontroller howto - Updated: 2009/08/20

7-Segment ASCII character Set

A 127-character ASCII table for 7-segment LED or LCD displays. (August 13, 2009)
Category: microcontroller electronics scripts - Updated: 2009/08/14

How to get 1 Second with Microcontrollers.

Roman Black's source code improved and updated. Here is how to implement 1-second timebase for microcontrollers projects. (August 12, 2009)
Category: microcontroller howto - Updated: 2009/08/12

Microcontroller 16F84A obsolete?

There is no doubt that the 16C84, the 16F84, and the 16F84A are all outstanding microcontrollers, but are you ready to move on? (August 10, 2009)
Category: microcontroller - Updated: 2009/08/10

LED chaser using PIC 16F84A

A simple LED chaser with 8 LEDs and the PIC microcontroller 16F84A. Hex file and source code included. (August 10, 2009)
Category: microcontroller circuits - Updated: 2009/08/10

Fix 'Regedit disabled by Administrator'

Perhaps caused by a virus or by someone else, you may get a popup indicating that regedit was disabled. Here is how to fix that issue. (August 8, 2009)
Category: computer howto - Updated: 2009/08/08

Removing the CD/DVD cover for service.

Instructions and/or basic steps how to remove the CD or DVD drive cover for service. (August 7, 2009)
Category: computer diy howto - Updated: 2009/08/07

A Black day.

August, 6th.
Category: opinion readings - Updated: 2009/08/06

Lie Detector

A simple and easy to make lie detector circuit. (August 3, 2009)
Category: circuits audio diy science - Updated: 2009/08/03

Audio Oscillator 2-Transistors

A simple direct-coupled oscillator with two transistors. (August 3, 2009)
Category: circuits audio - Updated: 2009/08/03

Resistors

How to read the color codes of the resistors and tips. (6/25/2006)
Category: electronics circuits howto - Updated: 2009/08/02

LED Flasher Circuit - Flip Flop

The classic LED flasher flip-flop circuit. Two circuits using NPN and PNP transistors (August 2, 2009)
Category: circuits light - Updated: 2009/08/02

I made this outdoor plywood chair in about one hour using only a jigsaw, screwdriver and some screws. A simple woodworking project. (July 31, 2009)
Category: woodworking furniture - Updated: 2009/07/31

DIY Coin Mechanism for Vending Machine III

'Ladies and Gentlemen, Behold! I present you an improved homemade Coin slot mechanism.' [Great for you MAME project if you don't plan to make a Vending machine] (4/19/2009)
Category: projects diy homemade howto woodworking - Updated: 2009/07/31

Reset a frozen iPod.

It happens sometimes. With no apparently reason the iPod freezes and needs to be reset. Here is how to do that. (July 30, 2009)
Category: howto audio electronics - Updated: 2009/07/29