What if you need to draw a circle, and a compass at hand is not! To get out of this situation by making a simple compass of the bent and strapped to the pencil in the right place for a stylus pen, as shown in the figure.
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“DESNA” WITH A MOTOR
For my moped, I chose a folding bicycle "Desna-2" model B-849 with reduced wheels (20 X 1.75). To install a motor on it, I made some modifications.
I reinforced the frame: I welded an...
THE “CONTROLLER” DC NETWORK
The device is assembled on the proposed scheme allows to control the power consumed from the DC voltage source. Indication power led is a color display and sound. When using in-vehicle...
