More about Magnetic (154)

| With the compass sensor that is described here the NXT can determine its direction with an accuracy down to a few degrees. This allows a rob...

| With this circuit you can make a stepper motor do just about anything it will need to do in robotics application: rotation to the left or ri...

| Creating a robot capable of following an exact course without needing any external physical help — like a line marked on the ground, for exa...

| The circuit described in this article is incredibly sensitive to changes in the magnetic field. It can be used to detect earthquakes, but it...

| These days most PCs contain several fans that help cool the CPU, graphics processor, motherboard chipset and the rest of the electronics. At...

| The free 13.56MHz RFID smart card given away with this issue is designed around the Mifare Ultralight IC (MF0 IC 01), the smallest member of...

| For many years now, magnetic (or electromagnetic) water descaler devices have been showing up on the shelves of Home Improvement and other D...

| The schematic of our preamplifier is very simple because it uses a very low-noise dual operational amplifier. Here the NE5532 is used, whose...

| How often does it happen that you close down Windows and then forget to turn off the computer? This circuit does that automatically. After W...

| Metal tools, in particular screwdrivers, may become magnetic. The powerful magnets in loudspeaker drive units fitted close to the tool stora...