Here is how it works:
When the voltage on the emitter of Q1 rises a little over 1.5 volts, both transistors turn on quickly, snapping on due to the positive feedback through R5 and C2. The current increases in L1 through Q2 until the voltage across the cell drops somewhat below 1.5 volts.
The circuit then […]

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Have you ever been to Tuscany before? Well, if you don’t know yet, this is an excellent place to have your wine tasting tours. You can find lots of wine roads in Tuscany which offers extraordinary viticulture areas. Tourists are welcomed by wine cellars, vineyards, landscape, and other historical attractions in Tuscany.
It doesn’t really matter […]

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