The Miraikan is a science museum in Tokyo, which shows emerging technologies and current science frontiers.
IR vehicle with Arduino
The IR vehicle is a simple project, a car with Arduino, that receives an infrared signal from a remote control to control 2 servomotors.
Electrical e-Library on Gundam Factory
I was in Yokohama, Japan, and I visited the Gundam Factory, where there’s a full-size Gundam, with 18 meters (59 ft) and 25 tons (55115 lb).
The launch of Einstein mission
China launched the Einstein probe to study X-ray emissions from neutron stars, black holes, and other phenomena.
Arduino tutorial (Part 8, IR remote control), 2nd edition
One more Arduino tutorial. This time will be explained how to control devices with an IR remote control. The operation of IR (infrared) control will be subject to another post.
DURF, the deepest lab in the world
DURF is a laboratory at 2400 meters underground, it started to enter operation this Thursday, December 7th.
NeRmo, the robotic mouse with a flexible spine
Was built the NeRmo, a robotic mouse with a flexible spine, which has great agility and speed.
Sawtooth generator circuit
This post shows how to design a sawtooth generator circuit, or ramp, which uses a current source and the integrated circuit 555.
The autonomous excavator
An autonomous excavator built a stone wall of 6 meters in height and 65 meters in length.
Introduction to phased array antennas
This post subject is phased array antennas. They are many arranged radiators to behave like a single antenna.

