2:56 Electronics: How to rinse container used for ferric chloride etching? (2 Solutions!!) Roel Van de Paar
4:31 Electronics: How to measure voltage of a floating GPIO (Raspberry Pi)? (5 Solutions!!) Roel Van de Paar
3:36 Electronics: USB device with 2 ports - how to protect against user plugging in both (6 Solutions!!) Roel Van de Paar
3:38 Second Order Passive RC Low Pass Filter Doesn't Have -6dB at cutoff Frequency in LTSpice Roel Van de Paar
2:37 Should I solder multiple wires together, or is there a better way? (2 Solutions!!) Roel Van de Paar
3:22 Electronics: Multi-Cell Lithium battery balancing circuit explanation (2 Solutions!!) Roel Van de Paar
2:45 Electronics: How does this fire alarm system transmit data on two-wire? (3 Solutions!!) Roel Van de Paar
2:56 Electronics: Power Transformer: 110V and 220V input, with two 15V outputs 180 degrees out of phase Roel Van de Paar
2:04 Electronics: A question about reverse polarity protection diode (2 Solutions!!) Roel Van de Paar
2:48 Electronics: Replaced 4x AA battery with 6V 3A DC adapter, but device won't work (3 Solutions!!) Roel Van de Paar
2:22 Electronics: What does the current distribution look like on an antenna? (2 Solutions!!) Roel Van de Paar
2:36 Why do we use a transformer on some heating element projects when the wattage is the same on... Roel Van de Paar
2:59 Electronics: How to fix a PCB design mistake after manufacturing? (3 Solutions!!) Roel Van de Paar
1:45 What is the minimum number of 2-to-1 muxes needed to implement a 129-to-1 mux? (2 Solutions!!) Roel Van de Paar
2:45 Electronics: Can I put vias on routing I2C lines traces on FR4 PCB? (4 Solutions!!) Roel Van de Paar
3:04 Electronics: Can I use a 12v 20A DC switch for a 24v 10A DC load? (3 Solutions!!) Roel Van de Paar
3:09 Electronics: Determine voltage drop over 10G resistors with cheap multimeter (4 Solutions!!) Roel Van de Paar
3:23 Electronics: Best practice: Should I charge a battery while also pulling load? (4 Solutions!!) Roel Van de Paar
2:09 Is a bad practice make variations on power's tracks width in pcb? (3 Solutions!!) Roel Van de Paar
3:27 Can a Variable Frequency Drive convert standard wall outlet (120V/15A/single phase) to ~220V 3... Roel Van de Paar
3:40 Electronics: When a current flow in an inductor is interrupted, what limits the voltage rise? Roel Van de Paar
3:38 Electronics: How can I make 20-200 ohm variable resistor look like a 20-240 ohm resistor? Roel Van de Paar
4:05 Why am I Seeing A Weird "Notch" on the Data Line For Some Logical 1s? (3 Solutions!!) Roel Van de Paar
3:32 Electronics: Rail-to-rail op-amp only reaches 90% of VCC, works sometimes, not everytime Roel Van de Paar
1:43 Electronics: In serial communication, is the RX pin pulled high by default? (2 Solutions!!) Roel Van de Paar
4:31 Electronics: Should I use a resistor between the gate driver and MOSFET (gate pin)? (5 Solutions!!) Roel Van de Paar
5:48 Electronics: VBE Multiplier with Emitter Resistance Cancellation (4 Solutions!!) Roel Van de Paar
6:44 Why does current not increase when batteries are connected in parallel? (7 Solutions!!) Roel Van de Paar
3:29 Why do motor drives have multiple bus capacitors of small value capacitance instead of a single... Roel Van de Paar
3:45 How to make affordable DIY low-res absolute rotatory optical encoders with fibers? (4 Solutions!!) Roel Van de Paar
2:40 Electronics: What is the role of the ROOT COMPLEX in a microprocessor system (PCI Express) Roel Van de Paar
1:48 Electronics: What is this diamond-shaped voltage source symbol, and how can I solve this puzzle? Roel Van de Paar
2:38 Electronics: Why doesn't my multimeter show the correct Zener reverse voltage? (2 Solutions!!) Roel Van de Paar
3:05 Electronics: How to demonstrate the effect of baudrate in serial communication? (3 Solutions!!) Roel Van de Paar
1:41 Electronics: What is smallest addressable value in an octal number called? (2 Solutions!!) Roel Van de Paar
