"Tiny Cooling Fan" two speed without warning and the speed sensor of the control circuit, the MAX1669 constitute PWM control mode, is composed MAX1669 linear regulator co...
In the thermistor-based "220V Cooling Fan" control, if the ambient temperature rises above room temperature, temperature rise bridge will detect the temperature and...
When "220V Cooling Fan" input voltage exceeds the reference voltage, the fan will be turned on, but this condition depends on the ambient temperature. Note: Thermal resis...
Currently on the market "220V Cooling Fan" mainly through the wire to the speed controller and the fan body are connected, and are often used when the speed controller is...
Composition "220V Cooling Fan" speed control circuit consists of a bridge circuit D1, optocoupler 6N137, SCR thyristors, transistors Q1 and so on. PIC16F873A microcontrol...
"220V Cooling Fan" use PIC16F873A microcontroller as the main core of the device, resulting in PWM pulse signal to control the frequency and infrared signals PIC16F873A o...
Super-smart "Tiny Cooling Fan" is a super multifunctional software can provide. Its appearance is a cube, which can change color with the seasons, summer is l...
"Tiny Cooling Fan" fan speed is adjusted to obtain the temperature information directly from the CPU, the fan without any temperature measuring device. Depending on the C...
"Tiny Cooling Fan" designed to MCS51 microcontroller core, the ambient temperature by a temperature sensor for data collection in order to establish a control system that...
"Tiny Cooling Fan" a variety of security features: the fan when the tilt angle is greater than a certain level, the motor will stop work in order to ensure safety; when t...
