En route to getting the off-the-peg DC-51 motor speed controller to better suit my small milling machine, I had a go at working out what the circuit is. Approx circuit of DC-51 motor speed controller ...

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 ...

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 ...

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 ...

Reducing power dissipation from diodes is essential in all situations where high currents flow at relatively low voltages (e.g., when solar panels or lithium-ion batteries are connected in parallel).

According to Securities Star, data from the Tianyancha APP shows that Weichai Power (000338) has recently obtained a utility model patent authorization, with the patent titled 'A High-Side Power ...

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 ...

Featuring a built-in serial communications link, the Control Indicator Module (CIM) monitors up to three power circuit trip coils and provides a local manual failsafe switch. The coil configuration ...

[fahadshihab], a young tinkerer, shared his circuit design for a simple remote control using 555 timers. Using a 555 calculator, he designed a clock circuit that would run at 11.99 Hz. Two transistors ...

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 ...

It includes buttons, a circuit board, and cables (or 'harnesses', according to machine translation) to connect the two. So it ...