When powering up your newly built circuit for the first time, use a benchtop power supply with adjustable current limiting. Set the limit low (e.g., 50mA). If there is a hidden short circuit or a backward diode on your board, the power supply will trip before the high current can smoke your components. Safety Guidelines for Electronics Hobbyists
If you are ready to start building, I can help you break down a specific project. Let me know: 1001 practical electronic circuits pdf hot
A circuit designated as "practical" in 1985 might rely on components that are now obsolete. You will find circuits calling for the or specific CD40xx series CMOS chips that are expensive or hard to source today. When powering up your newly built circuit for
Need a clock signal or a tone? This chapter has you covered: Safety Guidelines for Electronics Hobbyists If you are
Older or highly aggregated circuit books occasionally contain printing errors, such as reversed diode polarities or incorrect resistor multipliers. Cross-reference questionable designs with component datasheets.
Leo, of course, ran it for 10.