The FRDM-MC-LVPMSM low-voltage, 3-phase permanent magnet synchronous motor (PMSM) Freedom development board platform adds motor control functions such as rotation or linear motion to your design applications.
3W 5V Flyback 180 to 265VAC Reference Design An offline isolated 3W 5V power supply based on the CoolSET™ ICE3RBR4765JG current mode controller.
MiniQ is a mini quadcopter that is open source from hardware design to control algorithm. The algorithm used for the Altitude Heading Reference System (AHRS) is the DCM complementary filter. The system calculates the height and controls the output PWM of the four motors 1600 times per second. It can be controlled remotely via Bluetooth (Bluetooth Serial Port Profile).
LPC4088 Quick Start Circuit Board
LED brightness dimming changes the brightness by changing the LED's on-time. The longer the LED's on-time per unit time, the higher the brightness. In practical applications, it is controlled by changing the duty cycle. It can be seen from the light efficiency conversion characteristics of LED that when the same duty cycle is increased, the brightness increases more at low gray values than at high gray values. At the same time, at low gray values, every time the gray value changes by one In small units, the value of the light intensity increase rate D is relatively large. As the brightness increases, the light intensity increase rate D decreases, and the human eye's sensitivity to light changes also decreases. That is to say, the level jump is very obvious at low brightness. The brightness jump is particularly sensitive to human vision and cannot achieve a flexible effect of gradually brightening or dimming. The principle of smooth dimming is to improve the dimming effect of LED by changing the linearity of LED dimming curve.
The overall idea of the project is to use the GD32E231 development board as the main control unit, use the LCD5110 display screen and two user buttons as the human-computer interaction module, use the infrared probe for monitoring, and use the AT24C02flash chip to save and record the triggering time of the monitoring alarm, so that Initial implementation of basic intelligent functions.
The most commonly used lithium battery protection circuit drawing, 4 strings
PN7150 development kit for RaspberryPi, BeagleBone Black and boards with Arduino interface, including: LPCXpresso, Kinetis Freedom and i.MX boards.
The i.MX RT1060 EVK is an evaluation kit for the i.MX RT1060 crossover processor, which uses NXP's advanced Arm Cortex-M7 core implementation.
This application shows how the MAX4885E low-capacitance VGA switch can be used to perform the switching function in a laptop computer. The MAX4885E draws nearly zero current, fits into a 4mm x 4mm package, and incorporates most of the switches and active components used in a discrete implementation. All device outputs are protected to ±15kV Human Body Model (HBM) so that the designer can eliminate many ESD components, thereby reducing cost and saving board space. An application circuit shows the MAX4885E used for VGA signal switching between a laptop and docking station.
The MAXREFDES61# reference design ushers in the era of Industry 4.0. With a complete analog front-end for the next generation of ultra-small programmable logic controllers, this design meets the higher resolution and higher voltage needs of industrial control and industrial automation applications, while consuming minimal power and space. This high-performance system features four channels of analog input, a complete, efficient power-supply system and on-board processing. Hardware and firmware design files as well as FFTs and histograms from lab measurements are provided.
The MAXREFDES82# reference design is an industrial, smart force sensor. Four load cells mounted on a quadrant plane are channeled to a multi-channel 24-bit ADC and the conversion results are computed to indicate the force magnitude, position and movement on a flat cover.
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