More in Hobby & Modelling (132)

| Here is a great conversation starter: a simple device for levitating small objects. Build one and impress your friends. It is small, and the...

| This small test circuit is a handy aid for anyone who frequently works with servos. It is often sufficient that you can connect a servo to t...

| Electronic systems can help the visually impaired. This innovative project combines an Arduino Nano, a TCS34725 color sensor, and a buzzer...

| Tired of your kids shooting foam balls and arrows at your expensive decorative objects? Then build this multi-shooter electronic target for...

| Building an electronic compass doesn't have to be difficult. This design features a GY-271 compass module, a NeoPixel LED ring as a compass...

| Need a spirit level (i.e., bubble level tool)? This inexpensive aid for a spirit level gives an acoustic and optical indication when the air...

| Two similar DIY magnetic levitation projects are presented on the Elektor Labs pages. In both cases, a Lego figure that floats in the air. T...

| Interested in autonomous vehicles and LiDAR? Here is a cool video showing how to build an autonomous vehicle that finds its way around a roo...

| A cue light is a system of one or more electric light bulbs (usually traffic light colors) used to allow silent cues to be given to technici...

| Phased arrays of ultrasonic transducers allow levitating small objects like tiny foam balls and move them around. When the ball is moved fas...