On May the 12th the whole world was celebrating Arduino Day – the international birthday of this open-source platform. For this occasion, TME Education together with Robotech Labs organized an Arduino Day event in Tanzania. The training was conducted by TME Education Ambassador Ndembo Jafari together with specialists from Robotech Labs and took place in their headquarters in Dar es Salaam. The eight-hour-long event was attended by almost 40 people from different educational institutions. The meeting consisted both of theoretical part (show and tell) and practical classes like basic and advanced programming or a group project.