| The idea for this circuit came when the author had problems with the wireless speedometer on his bicycle. Such a device consists of two part...
| The idea for this circuit came when the author had problems with the wireless speedometer on his bicycle. Such a device consists of two part...
| When a bicycle speedometer must be rugged, accurate and, above alt novel and a Iittle unusual, the 'high-rech' computerized LeD units fou...
| Circuits for bicycle speedometers have been fairly common (Elektor published one in last year`s Summer Circuits issue No. 39/40), the differ...
| The novel feature of this bicycle speedometer is that it switches itself on when the bicycle starts to move and switches off when the bicycl...