Sound to electrical energy converter (Energy Harvesing)
91437
Amplifying 10-30mV into at least 5V
106176
Understanding Royer oscillator (for wireless power transfer), (specially mosfet gate driver circuit)
144933
Electrical potential energy stored in vacumm for a single point charge?
83604
Current tranformer, burden resistor calculation
6379
Maximum power transfer and Thevenin
2774
Stepping up 3V to 5V
134426
How do I convert, lower, or raise voltage?
61713
Simple capacitor use for buffering a battery?
47274
How can i transfer 12 V, 50 Hz, 1 A wirelessly?
68183
Energy changes due increasing plate separation of unconnected charged capacitor
142123
Changing the frequency of an AC supply
42037
Small-signal model of flyback converter
105584
How can I play a custom sound when my battery is low?
114801
Amplify current and voltage to preserve battery
116874
Connecting two power supplies with almost like voltages to an amplifier in parallel
137673
Energy for burning things!
130375
What is the simplest way to generate PWM without a Microcontroller?