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Recent content by alexz

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    Wireless DALI: A Solution for Controlling Lights When Wires Can’t Be Used?

    What other values does wireless DALI add to wired DALI? Does it have to be DALI in a wireless network at all? What is the wireless technology and topology you use? How would this work with other wireless DALI systems?
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    Interleaved PFC Control

    I know what PFC is and how to control it. But what is "Interleaved PFC control" ?
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    LED Colour Mixing Algorithm

    color mixing algorithm Driving 4 high power LEDs RGBW using a microcontroller (4-chnl PWMs) with a 4 channel built-in high-current driver. I can use the PWMs for dimming and also to provide different flashing sequences for each channel separately. But what about color mixing? What is it...
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    MCU with TFT graphics controller

    mcu tft It does not have the graphics controller though does it? I am looking for something similar to Epson S1D13A05 to be integrated in a micro
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    MCU with TFT graphics controller

    mcu with tft I am looking for a single chip solution which would integrate a 32-bit core microcontroller together with a TFT graphics controller. Any ideas?
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    Automatic LED Display

    Assuming you are talking about High Power LEDs. You would need 4 channels of PWMs to drive and dim the 4 LEDs R/G/B/W. You would also need 4 channels of high current LED drivers. NEC Electronics has just released a new microcontroller which has everything you need on-chip. And a low cost starter...
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    Application level differences between I2C and SPI

    difference between spi and i2c The difference is obvious. SPI or CSI is a simple master/slave communication protocol. I2C is a networking communication protocol with a multi-master support I2C is a standard in terms of clock speed, addressing and commands, where SPI can be customized to a...
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    checksum calculation ?

    Just add them all and send the result to the receiver. Add every byte you receive at the receiver and then verify the received checksum
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    Pointers to struct assignment

    struct assignment A well known method to make a code flexible and divide the project in to objects is to use pointers to functions in a struct and then initialize the struct with pointers to the functions you want to use. typedef struct myStructType { void (*myFunc)(void); }myStruct...
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    3.3V MCU->I2C-LCD 5V

    I am considering a microcontroller operating at 3.3V to control a number of I2C LCDs. LCDs are normally supplied from 5V. Is it possible to utilize the I2C bus in this case? If I used a normal parallel port I would just put pull ups to 5V on every line in the bus. How about I2C? Alex...
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    12 bit ADC resolution

    That is what I mean, some applications do not require high resolution ADCs, but some of them are desperate. So which ones are desperate or desire for more then 10 bit?
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    12 bit ADC resolution

    In what industrial applications the requirement for ADC resolution is higher then 10 bit? (where 12 bit ADC is needed)
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    Quality grades v/s applications

    Is there any information about the Quality grades of microcontrollers relative to different applications?
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    Cheap solution to reduce power?

    I need a very cheap and simple solution to reduce power from 12-24V to 3.3V. May be using a MOSFET with PWM or similar. A microcontroller is available
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    V850 - Anyone want to talk about it ?

    Sure, go ahead
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