More about Design (644)

| A low-cost microcontroller drives a D/A converter, whose output signal is filtered using a bandpass in order to suppress alias frequencies....

| This design for a Christmas tree lighting system employs ten red light emitting diodes (LEDs) instead of the usual lamps. The LEDs are power...

| Particularly with extreme fieldstrength variations (due to fading etc.), an AGC guarantees fewer hiccups in the DRM (software) decoding proc...

| This article shows a simple circuit for slow charging while preventing any risk of overloading the battery. The circuit consists of just fou...

| When soldering SMDs (surface mount devices) onto a circuit board, it is often difficult to keep the tiny component correctly positioned. Wit...

| Here’s how to turn a small stepper motor into an encoder. After all, a stepper motor has permanent magnets inducing voltages in the rotor co...

| Programs for schematic capture, board designs (PCBs) and simulation are now indispensable tools for anyone serious about electronics design....

| We often hear from our readers that they don't have enough time to solder all those parts in a constructional project. Or that there ar...

| Most students participating in microcontroller programming courses bring their own notebook PCs and run into problems when they discover the...

| We present a quick and easy method of housing small circuits in an all-metal enclosure.