2:19 Electronics: Is a varistor basically two diodes in series, with opposite polarities? Roel Van de Paar
2:48 Electronics: What happens to parts of induction cooker magnetic field not covered with the pan? Roel Van de Paar
2:30 Electronics: Sample application for generating energy from Piezeo Electric Crystal.? Roel Van de Paar
1:48 Electronics: Can I charge and discharge a NiCd/NiMh battery at the same time? (2 Solutions!!) Roel Van de Paar
2:06 Where to put a voltage (DC/DC) converter that must be switched on/off by the control signal? Roel Van de Paar
3:08 Electronics: LM317 power regulator ajust is affected by MAX485 chip (2 Solutions!!) Roel Van de Paar
2:53 Electronics: How Does the Positive Feedback Bring an Oscillator's Poles on the Imaginary Axis? Roel Van de Paar
2:21 Electronics: How do you carry non-circular drilling with an SMD part in gEDA pcb? Roel Van de Paar
1:18 Electronics: Programmatically switch betwean ground, power, signal for input port Roel Van de Paar
2:59 Electronics: received data through UART showing on 7 segment display using ATmega16 Roel Van de Paar
1:34 Is it possible to exchange information between arduino and android phones easily using nrf24l01? Roel Van de Paar
1:41 How do I make an electrical signal from a switch into an AVCRP signal to control audio player on... Roel Van de Paar
1:54 Electronics: Essential difference between normal irda mode and low-power irda mode? Roel Van de Paar
1:52 Slew Rate, Settling Time, Bandwidth, Rise Time - High Speed Transimpedance Amplifier Design Roel Van de Paar
2:27 Electronics: Can I get a 200mH inductor off the shelf that I can connect across AC mains? Roel Van de Paar
1:37 Electronics: Issues with displaying graph ltspice simulation of CB characteristics (2 Solutions!!) Roel Van de Paar
3:18 Electronics: Meaning of firing angle in the context of a DC input supply (2 Solutions!!) Roel Van de Paar
1:48 Electronics: How to put Atmega328 to sleep mode and wake it up without button,without WDT? Roel Van de Paar
9:46 Electronics: What is the physical meaning of negative resistance? (11 Solutions!!) Roel Van de Paar
1:51 New to debugging. How to go about finding a mistake in this exponential voltage converter Roel Van de Paar
2:36 Electronics: Increasing arduino PWM signal voltage from 5V to 10V using a transistor Roel Van de Paar
1:41 Electronics: How to auotmatically reverse a 12v motor on successive activations? Roel Van de Paar
2:35 Electronics: Strange (flyback?) diode in a circuit with a transistor switching an inductor Roel Van de Paar
1:40 Why do so many logic ICs have output high voltages specified at 3V and 4.5V when they're... Roel Van de Paar
2:26 Electronics: Recommended placement and routing of an RC Low pass filter (2 Solutions!!) Roel Van de Paar
3:01 Need amplifier circuit for load cell output(mv) to milliamps, for giving input to the PLC Roel Van de Paar
1:37 Electronics: Difference between a controller (e.g PD) and a compensator(e.g Lead)? Roel Van de Paar
2:45 Electronics: Using Audio Jack Switches as Paralell/Series toggle? (guitar amp and cabinets) Roel Van de Paar
2:38 Electronics: VSAT link between station A and B bandwidth is limited as QPSK modem 4096kps? Roel Van de Paar
3:11 Electronics: Selecting a transistor for high-side switching at 5V with a 2A load current Roel Van de Paar
2:41 What is the difference between a crest reading volt meter and a peak reading volt meter? Roel Van de Paar