MySQL Event Scheduler
horaz
Enable the MySQL Event Scheduler Log in to your MySQL database as root (if necessary, connect to the server first) ssh user@host Verify if event_scheduler is enabled by connecting to…
Ubuntu Linux: How do I add environment variables?
This information was actually taken from here. Answer provided by Michał Šrajer. I found it so useful that I wanted to save it for myself for future reference. To set…
New MySQL database on my remote computer, behind a router
New MySQL database on my remote computer, behind a router Enable your router’s port forwarding feature on port 22 (ssh service). (No need to open port 3306, good for security…
Spring Catapult
Spring catapult
Arduino Xbee remote control car
Arduino Xbee remote control car Main parts list Car chassis x 1 Xbee x 2 Arduino Xbee shield x 2 Arduino board x 2 Arduino motor shield Arduino joystick shield…
How to control a 12 volts DC motor (or solenoid) from your Raspberry Pi
Introduction Raspberry Pi GPIO pins work at 3.3 volts and the current you can draw from them is quite limited for many applications (16 mA – 50 mA). An external…
Arduino controlling a servo: Are you supplying enough power?
Finding information about how to control a servo through Arduino boards is pretty easy. There are many resources on the web on this regard. However, I find that proper emphasis…
Arduino Leonardo Analog Pins as Digital Pins
You can use Arduino Leonardo analog pins as digital pins, just like with other Arduino boards. Since Arduino UNO is the most popular version of Arduino boards, most of the…
Medio siglo de La Claudio (La Querida Claudio)
Autoridades del plantel, profesores, padres de familia, alumnos y todos y cada uno de los presentes, sean bienvenidos a esta celebración. Han pasado veinte años desde que tuve la oportunidad…