5:11 Electronics: When does a transistor act as a switch, and when as an amplifier? (8 Solutions!!) Roel Van de Paar
2:09 Electronics: Solar panel to charge 9 volts batteries, but need to power 120 volts pump Roel Van de Paar
5:27 Could an analog TV signal be transmitted over broadcast RF from a composite cable somehow? Roel Van de Paar
2:36 Can you please explain how BAT54C (D4A,D4B,D4A,D5B,D7,BAT54A) works in this circuit? Roel Van de Paar
3:14 Electronics: Driving highly inductive loads destroys mosfet driver (4 Solutions!!) Roel Van de Paar
1:27 Electronics: Why does this microswitch datasheet specify a minimum load current? Roel Van de Paar
1:42 Does LTSPICE automatically include avalanche parameters in its power dissipation measurements? Roel Van de Paar
2:22 Electronics: determine necessary current to drive a stepper motor? (2 Solutions!!) Roel Van de Paar
1:47 How to build a USB charger circuit that can switch between the USB and the battery power... Roel Van de Paar
1:55 Electronics: Sizing a battery according to an existing solar panel (and not the opposite!) Roel Van de Paar
1:59 Electronics: Switching RCA composite video, under uC control - circuit ideas & suggestions Roel Van de Paar
1:34 Electronics: How do i measure the output voltage of lm35 with digital voltmeter? (2 Solutions!!) Roel Van de Paar
3:34 Electronics: How can I check that the voltage output from this voltage divider is 2.25V? Roel Van de Paar
2:40 Electronics: NPN Transistor Current Limiting Changes From Collector Load To Emitter Load Roel Van de Paar
1:54 Why cannot there be several energy sources and consumers in different places in a DC network? Roel Van de Paar
2:20 Electronics: Why do I get gibrish output to the serial monitor of my arduino mega 2560? Roel Van de Paar
2:48 Building a menu and scheduler for a thermostat (rotary encoder for input, LCD screen) Roel Van de Paar
2:00 Where does the current in a Dickson Charge Pump come from? Does the oscillator/PWM pin of a... Roel Van de Paar
1:22 Determining whether piecewise function y[n] = {x[n] if n even, -x[n] if n odd} is time invariant Roel Van de Paar
2:19 Electronics: MOSFET differential amplifiers - difference between configurations Roel Van de Paar
1:22 Electronics: Where can I find an electric generator that produces electricity when spun? Roel Van de Paar
1:58 Can a 6 volt positive ground system share a common chassis ground with a 12 volt negative grd Roel Van de Paar
1:38 Electronics: How does a device's physical size affect its parasitic capacitance? Roel Van de Paar
2:09 Electronics: Wave from the piezoelectric material is not what I expected. Did I miss a step? Roel Van de Paar
