Someone who knows Morse code or just going to study it, can build a simple device, shown in the figure. On a plywood Board install the battery B and the lamp L of the flashlight. Contactor In the manufacture of contact plate faulty relay. Now connect the parts to each other by wires. To increase the “range” of the Telegraph, put a lamp made from tin or heavy paper tube — a tube length of 20 cm.
Recommend to read
DODGE STRATUS
Premiere of the sedan and coupe DODGE STRATUS new generation took place at the Chicago motor show in February 2000. Until recently, the name of DODGE STRATUS to a four-door sedan...
BEAUTIFUL ISOLATION
I advise you not to throw away the pieces-rolls PVC insulation when Stripping the ends of the thick electric wires — they will be useful when connecting more than thin wires. Before...
