While most of us play games purely for their entertainment value, an elite few get their game on while calling themselves "professionals." These superstars of simulated battle make the rounds in ...

The project intends to create a sprinkler controller that can be used as an interface wherein system valves or zones will be managed. A perfboard with wire wrap for the control/logic portions can be ...

When the thermistor temperature is below a set value the voltage at pin 2 of the 555 drops below 1/3 of Vcc. This turns on the triac controlled heater and also starts the timing cycle. If the ...

With 13 parts and a focus on challenging subject matter, Art. 430 can seem overwhelming. After a quick scan, it may seem impossible to correctly apply its requirements, but a closer look reveals ...

Single-phase and 3-phase AC squirrel cage induction motors need some type of control circuit to initiate a start or stop function. The two types of ladder control circuits commonly used are the 2-wire ...

Need to switch something on or off using a microcontroller? Using a transistor is one of the best ways to do this, but how exactly do you design properly for transistor switching? [Ben Krasnow] put ...

This Pre-Amplifier circuit is a minimalistic design, a.o. inspired by valve design, which should help sound clarity. With 5 transistors, it has 0.1% distortion (expected from 60dB loop gain) up to ...

Rik is Pocket-lint's senior news editor and has been a tech and games journalist since the 80s. He has seen and covered just about every console, mobile phone, gadget and home cinema device launched ...

According to a report from Securities Star, data from the Tianyancha APP shows that Xinrui Technology (300745) has recently obtained a utility model patent authorization. The patent is titled 'Relay ...

Short circuit current ratings should not be overlooked during panel design. Negative impacts can occur to production, equipment and, worst case, plant personnel. Per 2014 NEC Article 100, short ...