A simple feeder for small birds can be done literally in minutes, using a tin can and a stick of wood or a suitable diameter of the branch.
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THE BREADWINNER OF THE BATTERY
Suggest a charger circuit for battery cars. Charging current of 5 — 6 a, the voltage at the output 20 V. the Circuit provides a smooth stable run, simple to technical solution, and most...
SOLDERING WILL BE MORE CONVENIENT
Metal "crocodile" attached to the soldering iron stand, will simplify the work when joining the two parts: it is held one part, and the second is a tweezer, and you can safely solder.
