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Ludum Dare 53 - Energy delivery
Game developed in 48 hs for the Ludum Dare game jam
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Games Database
Collection of data from different games from my childhood
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Mi Band 6 Heart Rate Monitor (2022)
Display your Mi Band 6’s heart rate in the browser.
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Grid (2020)
Draws a structure that looks like a grid/network. Supports tuning some of the animation and drawing parameters.
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Melex (2019)
Basic canvas experiments, teaching my sister JavaScript and canvas drawing essentials.
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Genico - Numeric icon generator (2019)
A numeric icon generator, very useful for working with HMI display, like DGUS (DWIN) / SGUS / VGUS.
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Schrod (2018)
Audiovisual representation of solutions to the Heat and Schrödinger’s equation.
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Lightweight speech recognition library for EDU-CIAA (2017)
Lightweight library for speech recognition in ARM Cortex M4 microcontrollers. It extracts MFCC coefficients and recognises words using Viterbi algorithm, and Hidden Markov Chains (HMM), first-order, using gaussian mixture probabilities.
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FoamCutter (2017)
A basic foam cutter, using a nichrome wire.
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Speech recognition using HTK (2016)
Distributed finite-grammar speech recognition based on the HTK toolkit. Developed as a final project for an university class. Uses JSRecorder and Web Audio API to capture microphone audio from the computer.
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Radar (2016)
Shows how to use the distance to N points to pinpoint an object (similar to how a radar works).
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Kalman (2016)
Visual representation of a Kalman filter, used for estimating position using noisy acceleration data.
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Half-Life map viewer (2016)
This project is a renderer designed specifically to explore the world of Half-Life. It allows for realtime rendering of the Black Mesa Research Facility.
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Can't see (2016)
Gradually reducing font size yields interesting results. Extract of Ensayo sobre la ceguera by José Saramago.
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Ball bearing sizes
Table showing the different sizes of commercially available ball bearings, useful when creating mechanical projects.
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Utilities for Digital Systems classes (2015)
Software that help developing FPGA systems with VGA outputs.
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Domotic control via IR and PC (2014)
A domotic panel to control the lights of multiple bedrooms, allowing the user to change the intensity of them via 3 interfaces. This project was created with Juan Ignacio Troisi and Martin Menendez, for the university subject Laboratorio de microcontroladores.
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Buenos Aires mapper (2014)
3D Map of Buenos Aires using data provided by the government. Uses OpenGL for 3D acceleration, SDL for window and event management.
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Video camera modification to see IR light
How to modify an ordinary video camera to increase the spectrum of the light it can see, allowing the visualization of near-infrared.
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Tunnel (2013)
Messing around with tunnel draing while studying for an algorithms final (now converted to canvas).
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TestPattern (2013)
Patterns similar to the ones I used to draw using pen and paper when I was young. Might get stuck at some dead ends, didn’t implement any logic to fix it.
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LED matrix with inclination sensors (2013)
This project is based in a 8x8 bicolor LED matrix, controlled by a PC via the parallel port. We also included two homemade orientation sensors, allowing the detection of the matrix angle.
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Mini game console with TV out (2012)
Sample application that generates NTSC signals (black and white) which can be viewed in any standard definition TV. Based in a 8052 microcontroller.
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LCDTerminal (2012)
Alphanumeric display controlled via UART. Can also be used in LCD Smartie to monitor the resource usage of a PC.
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Digital combination lock (2012)
Digital logic based that implements a combination lock similar to those used in hotel rooms.
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CanvasDraw (2012)
Random walk with an random angle change trigger (now converted to canvas!)
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Voltage and current regulator calculator
Given the values of both resistors and the type of regulator, calculates the output voltage or current of a linear regulator, both in voltage and current regulation mode.
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Timers using 555
Calculates the times when using a 555 IC as a monostable or astable.
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Timer overflow calculator
Given a timer configuration, it calculates how often it will overflow.
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Resistor value calculator
Given the color bands of a resistor, calculates its value and tolerance.
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Resistive divider calculator
Given the value of two series resistors and an input voltage, it calculates the output voltage of a resistive divider.
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RC filter calculator
Given the values of the resistor and capacitor, calculates the cutoff frequency of an RC series passive filter.
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Muscular electrostimulator (2011)
Muscular electrostimulator controlled by a microcontroller.
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LED resistor calculator
Given the type of LED and the voltage of a power supply, calculates the required resistor to connect it.
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Capacitor value calculator
Given the number found in a capacitor, this page calculates its value, as well as the tolerance.
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Worms clone using SDL y OpenGL (2010)
A simple clone of Worms, using those libraries. Can be played by multiple players locally.
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Using GPS modules with microcontrollers
How to get the position from a GPS module, by parsing the NMEA strings.
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Using a cellphone or GSM/GPRS modem with a microcontroller
How to use a cellphone or a modem to send and receive texts and SMS using a microcontroller.
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Small physics engine (2010)
Based on the Advanced Character Physics paper by Jakobsen. HTML5 and Javascript based, supports only circles.
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Matrix keyboards, microcontroller interface
Easy tips to route multiple tact switches disposed in a matrix configuration.
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List of software commonly used in electronics
Analysis of some electronic programs I used or use daily.
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LED Matrix, methods to control
How to control a LED matrix with a microcontroller.
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Introduction to SDL2, developing a pixel font editor
Small tutorial to learn the basics of SDL2, using C++.
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Introduction to PIC microcontrollers
Small introductory article about 8 bit microcontrollers, focusing on Microchip PIC16 family.
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Introduction to I2C protocol, reading and writing in 24LC memories
Very useful memories, typically used to store configuration data or to keep logs with sensor data.
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Introduction to GLSL Shaders
A small article that can help people that want to get into the world of graphic shaders development.
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Input/output port expansion
How to add more digital inputs or outputs to a microcontroller, using shift registers.
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Homemade inclination sensors
How to build small sensors with two states, that can sense the rotation of a board in two axes.
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Graphical LCDs based on KS0108
How to control a Graphic LCD with a resolution of 128x64 (or 192x64) based in KS0108, using a microcontroller and two 8 bit I/O ports.
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External RAM memories in MCS51 architecture (8051/8052)
How to connect and use an external memory, using data and address multiplexing.
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DC motor control with H bridge
Different ways to control DC motors.
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Compiling programs with GNU compilers
How to use the free GNU compilers to build C/C++ projects.
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Card game - Electrónica (2010)
SDL based multiplayer game done as a final project for an assignature.
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Analog to digital converter without ADC
How to easily measure the value of a resistor, using a microcontroller without Analog to Digital converters.
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Alphanumeric LCDs based on HD44780
How to control an Alphanumeric LCD using a microcontroller. Includes commands and schematics.
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AlephTrack - Tracker using GPS and GSM/GPRS (2010)
Allows tracking and real-time monitoring via the Internet of the location of a device, which can be installed in a car.
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Usage of MAX232 for RS232-TTL level shifting
A simple circuit used in almost every circuit that needs a connection with a PC.
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Plasma (2009)
Random plasma effect. Originally used SDL, now converted to HTML5/Canvas. Added extra formulas and palettes.
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Mini game console with LED matrix (2009)
Simple 8x8 game console based in an 8052 microcontroller, developed in C, compiled with SDCC.
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Introduction to PLD (Programmable Logic Devices)
Small summary of applications of PLA, PAL, GAL and PLD based systems.
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Four channel RF remote control, using HT12D/E
How to remote control loads via an RF link, using cheap modules and ICs.
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Repeat (2008)
Small game whose objective is to keep the train from hitting itself. Inspired by Tron and Snake, but with infinite angles.
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Matrix (2008)
Matrix like effect (digital rain). Uses Flash 8 (yes!) Bitmap capabilities.
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Cs_electronicaort (2008)
Counter-Strike 1.6 map, inspired in the Electronics floor of ORT Yatay (Highschool I attended).
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Random (2005)
Really simple random shape generator I built back when I was still using Flash.