Let's Make Robots! | RobotShop
Hello again! After some months without publishing here we are again! Today I bring a new project I've been working for months already: a water rocket with automatic … Read more
Detects level of UVAB above 1 uW/cm2 and makes a sound alarm
  So as commented my son (4) has a rare condition so he can't be exposed to UV light (the Sun, halogen and some other artificial lights). There are other issues … Read more

Arduino Day 2017 in London


I was impressed from the quality of projects, variety and visitors. This last Arduino Day in London was great, different than last year. We had fun, visitors, demonstrations and even a little party after!

I don't want to talk much, let's that some pictures talk by themselves:

Navigate around commanded by phone or autonomous. Can overcome obstacles higher than the tracks
We create robots that sometimes move around but, what happend when those robots find an obstacle? If the obstacle is small the robot can pass over it, with a … Read more
  Hello! Another year and another exciting Arduino Day is ready (like last year). This year 2017 we visit Arduino Day in London and I bring a modification of … Read more

Casual LMR Meeting AFK in Philadelphia (Pennsylvania, USA)


Hi there!

Just a few words to show you a meeting AFK (Away From Keyboards) we two of LMRians had today. It was in Philadelpia as I was visiting USA for work and Andrew (AKA ignoblegnome) was able to meet. So here you have some pictures:

Andrew and Francisco in Philadelphia

[SOLVED] Arduino ATTiny85 does not blink LED. Programmed with Arduino nano



I have an ATTiny85 and I want to start with the blink LED sketch but it does not work. Attached is the wiring:

ATTiny85 does not blink

I followed these instructions: http://forums.4fips.com/viewtopic.php?f=3&t=1080 for wiring, burn both bootloader and LED blink sketch with an Arduino nano as programmer (excepting I'm using 1.8.1 nightly Arduino IDE), and everything looks like going fine:


This is a review of the workshop on robotics I did last Owl Camp, February 2017
Hi there! So as published already here some weeks ago, finally we did the robotics workshop in the Owl Camp February 2017 near London, if you don't know what was … Read more
This is a free robotics workshop for children who attends the Owl Camp. More in the article below
 In my spare time besides my family and the hobby in LMR, I collaborate with an association that helps people with a rare condition: Xeroderma Pigmentosum (or … Read more