
On the Parking of campers and motorcyclists will be useful to fluorescent. It gives good coverage and is very economical. As power supply used by the DC / DC Converter transistor type П215 (П202, П217, P4) that can run on batteries.
Transformer Tp1 is wound on a ferrite ring from a deflection system of the TV or on the core stronica. The primary winding has a 50 — 70 turns of wire of PEV of 0.4—0.5, the secondary — 30 — 35 turns of PEV of 0,7 — 0,8, and the third 750 — 1200 turns of wire sew 0,17 — 0,2.
Transistor T1 for better cooling has a double U-shaped radiator.
S. JUICES, teaching 9th grade, Kuibyshev
Recommend to read
THE DITCH… IN THE GARDEN
Whatever was planted in the garden — whether flowers, vegetables, shrubs or fruit trees — every plant requires regular, and often abundant and continuous irrigation. Much...
SMOKE PROTECTION
To ward off mice and other rodents from the cellar and ensure the safety in there products and gifts of nature is possible if to burn there, puchong straw in tightly aakriti Krishna....