Yes, it’s definitely possible to turn a Raspberry Pi (especially Pi 4 or Pi 5) into a router or firewall using software like OpenWRT, Pi-hole, or pfSe...

Use a small sensorless 3‑phase BLDC driver board (made for fans/HDDs) and power it from a current‑limited supply; start at 3–5 V with about 0.5–1 A li...

Ghosting in keypads and LED matrices is usually caused by missing diodes and incorrect scanning logic, not just electrical interference. For keypads, ...

Ceramic capacitors use a ceramic dielectric (like barium titanate or similar materials), which has symmetric electrical properties. Internally, they a...

@jignesh I always get confused between LM35 and LM358! And what if I want to use multiple such sensor/thermistor. What's the best choice?

@ankunegi Thank you for explaining in detail. Although I don't really get the last part: "The maximum possible PWM frequency" section.