More about Bicycle (37)

| From three Dutch designers comes the Re-Lock, a bike lock with an electronic key that can be opened without using your hands. The original i...

| Many bicycle owners and riders are adamant on safety specifically when vehicle lighting is concerned. Seeing in the dark is not usually a pr...

| “In direct sunlight, my middle-aged eyes struggle to read the display of a typical bike computer. I want really big numbers displayed, and a...

| After one of them had his bike stolen for the sixth time in a year, two mechanical engineers decided it was time to disrupt the bicycle lock...

| On discovering that my previous design based on a blocking oscillator and diac strobe pulser was a bit heavy on the battery, it seemed about...

| On discovering that my previous design based on a blocking oscillator and diac strobe pulser was a bit heavy on the battery, it seemed about...

| Battery capacity is doubling every ten years. According to this statement, we may have to wait another ten years to see a functional quadroc...

| Converting a traditonal bulb light on a bicycle to one that pumps 350 mA through a Cree XP-E LEE to produce 114 lumen.

| Fitting a bike with a rear light that stays on even when stationary is both useful and interesting — especially when it uses a circuit as si...

| The author wanted a very cheap and simple alarm for some of his possessions, such as his electrically assisted bicycle. This alarm is based...