Robin van Arem (3)

| The circuit presented here has the same functionality as the renowned LM3914, an LED driver that can control 10 LEDs. The circuit shown here...

| This charming little circuit is a genuine four-digit running-text display, complete with a Christmas / New Year’s greeting. Naturally, any c...

| Among all the designs for running and flashing light displays we have published over the years — and that’s a respectable number — there is...