Solr 7 beginner tutorial, part 2: delta-import, debugging tips.

Budget traveler's guide to Zanzibar (July 2018)

Nocturnal solar-powered lamp from any glass jar

SIM900A 2G module + Hologram SIM card. Publishing sensor measurements to Thingspeak.

ros-omni-base: ROS mobile robot base for everyone. (Work in progress)

SIM900A 2G module + Hologram SIM card = winning combination in category "dirt cheap"?

Driving brushless DC motors with Arduino on the cheap using ESCs for RC vehicles.