Author: ggerman

Software Developer | Ruby on Rails | Embedded Systems Enthusiast I’m a backend developer with 10+ years of experience building scalable systems and crafting robust APIs with Ruby on Rails, Python, and PHP. I thrive on delivering confident solutions, leveraging tools like AWS, Docker, and RSpec to ensure stability and performance. Beyond coding, I love blending hardware and software in IoT projects, creating innovative solutions with Arduino C++ and MicroPython. Always learning, always solving.

Are you programming, or are you still playing like you did at the beginning?

Regarding Python, I have extensive experience with MicroPython, Django, Matplotlib, Pandas, and so on. However, in the last few years, I have focused on Ruby on Rails and Ruby and miss using Jupyter. That said, with Ruby, you have tools like IRB, Rails console, Pry, RSpec, and all these amazing tools, so you don’t necessarily … Continue reading Are you programming, or are you still playing like you did at the beginning? →

Some code to learn

import network sta_if = network.WLAN(network.STA_IF) sta_if.active(True) sta_if.scan() sta_if.connect("los_tres_ositos", "VQLzxuGs1") sta_if.isconnected() from microWebSrv import MicroWebSrv # ---------------------------------------------------------------------------- @MicroWebSrv.route('/test') def _httpHandlerTestGet(httpClient, httpResponse) : @MicroWebSrv.route('/test', 'POST') def _httpHandlerTestPost(httpClient, httpResponse) : @MicroWebSrv.route('/ggerman') def _httpHandlerGgermanGet(httpClient, httpResponse) : @MicroWebSrv.route('/ggerman', 'POST') def _httpHandlerGgermanPost(httpClient, httpResponse) : @MicroWebSrv.route('/edit/') # /edit/123 -> args['index']=123 @MicroWebSrv.route('/edit//abc/') # /edit/123/abc/bar -> args['index']=123 args['foo']='bar' @MicroWebSrv.route('/edit') # /edit -> args={} def … Continue reading Some code to learn →

Programador: Colibrí Wii – ESP8266 (Primera parte)

ESP8266: Wii Colibrí es un proyecto que tiene como finalidad generar dispositivos que se manejen vía WiFi. En este post les dejo una forma casera de armar un programador para el dispositivo ESP8266 como vemos en la foto. En el primer caso baje el voltaje de 5v a 3.3v que utiliza el dispositivo usando dos … Continue reading Programador: Colibrí Wii – ESP8266 (Primera parte) →

Compartiendo mi Docker ggerman/games

#docker @docker Este container contiene algunos de los juevos viejos que a mi me apasionaban de chico. Para empaquetarlo utilize este tutorial: http://www.jamescoyle.net/how-to/1512-export-and-import-a-docker-image-between-nodes Para ser mas especifico esta linea: docker save ggerman/games > docker-games.tar Github ayuda: https://github.com/ggerman/docker-games https://github.com/ggerman/docker-games.git # bzip2 -d docker-games.tar.bz2 Para recuperarlo luego de bajarlo es con esta linea: (previa instalación de http://docs.docker.com/mac/started/ ) docker load … Continue reading Compartiendo mi Docker ggerman/games →