3:21 Capacitor's energy required for a predetermined drop in its voltage - with LDO and constant... Roel Van de Paar
2:30 Electronics: Most efficient way to drive an LED from 9v source? (2 Solutions!!) Roel Van de Paar
3:31 Electronics: Picking out correct MOSFET for solenoid PWM control? (4 Solutions!!) Roel Van de Paar
2:24 How to find the 120 degree phase angle in a single layered lap winding of a synchronous machine? Roel Van de Paar
2:33 Electronics: 74HCT244 UART level translator, how would the circuit look? (2 Solutions!!) Roel Van de Paar
2:52 Electronics: ATtiny/ATmega programmer board - need a 6 x 1:3 Mux solution (2 Solutions!!) Roel Van de Paar
2:46 Electret microphone amplifier - Terrible low frequency response (2 Solutions!!) Roel Van de Paar
1:36 Electronics: Can I sell a CSA approved product in the US at retail or over the internet? Roel Van de Paar
2:18 Electronics: V/f ratio for 3 phase induction motor greater than rated speed (2 Solutions!!) Roel Van de Paar
1:21 Electronics: Are there any contactless IR temperature sensors availbe for a range above 380C? Roel Van de Paar
2:24 Electronics: Preventing relay contacts from sparking on disconnect (2 Solutions!!) Roel Van de Paar
1:36 What is the purpose of a second set of 5v and ground wires found on many basic Arduino... Roel Van de Paar
3:24 Electronics: STM32 MCU PCB layout review (crystal & decoupling & ADC) (2 Solutions!!) Roel Van de Paar
2:44 Electronics: 3mm different color LED resistances for bright light (3 Solutions!!) Roel Van de Paar
2:16 A coil I built has divergent measurements respective to wire resistance and AWG size Roel Van de Paar
2:40 Can someone explain the application of KIRCHOFF VOLTAGE LAW in the figure displayed below? Roel Van de Paar
2:07 how much is voltage reduced if the resistance produced by commutation system is eliminated? Roel Van de Paar
2:16 Is it possible to charge 6 series Ni-MH cells using bq25703a or bq24780s? (2 Solutions!!) Roel Van de Paar
3:23 Realizing an flexible, but fault tolerant, infrared communication chain (2 Solutions!!) Roel Van de Paar
1:56 Electronics: Can I replace a cel in a Li-Ion pack with a different cell? (2 Solutions!!) Roel Van de Paar
1:36 Electronics: Using pot as variable resistor: should wiper be connected to spare end terminal? Roel Van de Paar
3:27 Exact name of this circuit (schematic) of an LC oscillator. Is this one of the synchronous LC... Roel Van de Paar
1:43 Electronics: Using a 3-phase Transformer After a Variable Frequency Drive for Voltage Reduction Roel Van de Paar
2:23 Inductive sensor signal voltage too low, how to boost it for Arduino? (3 Solutions!!) Roel Van de Paar