3:08 Why use an optocoupler with opto-driver instead of isolated amplifier using optocoupler for... Roel Van de Paar
2:41 How to reduce an audio system noise in a way which is similar to a human touching one of the... Roel Van de Paar
4:08 Problems with Conversion of 1960s era transistor radio to a guitar amp (5 Solutions!!) Roel Van de Paar
2:45 Electronics: Does a voice coil vibrate at the same frequency as the source sound file? Roel Van de Paar
3:13 LED to switch ON when an analog signal is outside the range of -10V to +10V (2 Solutions!!) Roel Van de Paar
3:32 Electronics: Sawtooth VCO and current source for modular synthesizer (2 Solutions!!) Roel Van de Paar
3:53 Electronics: How does a digital logic NOT (inverter) gate work? (3 Solutions!!) Roel Van de Paar
3:27 Electronics: Ways to configure and persist settings in Arduino-based hardware (5 Solutions!!) Roel Van de Paar
1:50 What is a good circuit for recording a piezo contact microphone or an electric guitar pickup? Roel Van de Paar
3:18 Electronics: How to protect valve heaters from inrush during cold starts? (4 Solutions!!) Roel Van de Paar
2:52 Electronics: How can I measure small scale movement with an electronic component? (5 Solutions!!) Roel Van de Paar
1:31 Electronics: Worried about channel ghosting in DAQ system - Need unit gain buffer? Roel Van de Paar
2:02 Electronics: What components do I need to build a motor controller from the L298? (2 Solutions!!) Roel Van de Paar
2:34 Electronics: Why don't we have an instruction called LDAX H in 8085 microprocessor? (2 Solutions!!) Roel Van de Paar
1:37 Electronics: full duplex serial communication with a laptop using ATMEGA8 USART Roel Van de Paar
1:55 Electronics: I2C Put One Termination Res at the End or on Each Slave Board (2 Solutions!!) Roel Van de Paar
3:38 Replacing the selenium rectifier in a vintage car battery charger (2 Solutions!!) Roel Van de Paar
3:22 Is it practically possible to transfer electrical power around the World by wires? (3 Solutions!!) Roel Van de Paar
3:07 Electronics: Implementing a function using decoder, encoder and some gates (2 Solutions!!) Roel Van de Paar
2:20 Electronics: light a lit when I get an interrupt and keep it lit long enough to let me see it Roel Van de Paar
2:28 Electronics: Designing reverse and overvoltage protection at 3.3V (2 Solutions!!) Roel Van de Paar
2:48 Why this Unions are required in between Structure while developing USB peripheral driver? Roel Van de Paar
2:12 Electronics: 128x64 Graphic LCD(TG12864B V1.1) monitoring problem (driving from STM32) Roel Van de Paar
2:44 Electronics: Power a device from 12v adapter instead of ac wall adapter (3 Solutions!!) Roel Van de Paar
1:22 Electronics: Can I power a device with a power supply that has a higher current rating? Roel Van de Paar
