Christian Lerche

Electronics engineer

Christian’s activity

Answer posted for Question: How to make an LPC11U24 go into ISP mode? - P0_1 (Pin no 5 on the LQFP64 on the yellow mbed) should be low during …
Christian Lerche - 26 May 2015
Question asked: RTOS / SerialDriver problem: Hello Have created a program using RTOS, where I run 4 threads. Each thread does …
Christian Lerche - 17 Apr 2015
Question LPC11U24 often reboot suddenly marked as solved by answer: Seems like electrical noise. When driving a motor, the changes in current in the commutator …
Christian Lerche - 11 Feb 2015
Notebook page update: LPC1768 Pin functions
Christian Lerche - 15 Apr 2014
Answer posted for Question: no output for hello world on hyperterminal - Have you setup the correct baudrate?
Christian Lerche - 20 Feb 2014
Reply to Mbed LPC1768- Ref: PwmOut22 - Erik - wrote: Edit: I can do a guess? Should it be 100 cycles 50% …
Christian Lerche - 14 Feb 2014
Reply to Mbed LPC1768- Ref: PwmOut22 - This is your code with code-tags :-) You do like this: "<<code>> INSERT CODE HERE …
Christian Lerche - 14 Feb 2014
Reply to Mbed LPC1768- Ref: PwmOut22 - #include "mbed.h" PwmOut micAudioOut(p22); volatile int period_in_us = 5; int main() { micAudioOut.period_us(period_in_us); // 200 …
Christian Lerche - 14 Feb 2014
Reply to Mbed LPC1768- Ref: PwmOut22 - What you need is Frequency Modulation? Try writing a program using the example above.
Christian Lerche - 14 Feb 2014
Reply to Mbed LPC1768- Ref: PwmOut22 - #include "mbed.h" PwmOut micAudioOut(p22); int period_in_us = 0; int main() { micAudioOut.period_us(5); // 200 kHz …
Christian Lerche - 14 Feb 2014

Christian’s public repositories

  • Mbed 2 deprecated
    EA_DoorPlayer

    EA BaseBoard, playing wav, PC see\'s SD-card through USB port.

    EA, msc, player, USB, wav
    Last updated: 22 Nov 2011 1 28
  • Mbed 2 deprecated
    EAOLED

    EA OLED (Orig. by SFord, retouched by Lerche)

    EA, OLED
    Last updated: 03 Oct 2010 1 54
  • Mbed 2 deprecated
    EAOLED_HelloWorld

    EA OLED Hello World (Runs through the different possibilities with the OLED software

    EA, OLED
    Last updated: 03 Oct 2010 1 64
  • Mbed 2 deprecated
    GrayCount

    Simple upcounter, like binary, but in graycode, using onboard LEDs

    graycode
    Last updated: 05 Dec 2009 1 3
  • Mbed 2 deprecated
    LEDCount

    Simple binary upcounter

    upcount
    Last updated: 03 Dec 2009 1 10
  • MCP4822

    Library for MCP4822 SPI 12-bit DAC, both outputs supported, nLDAC connected to GND.

    dac, MCP4822, SPI
    Last updated: 31 Jan 2011 12 85
  • Mbed 2 deprecated
    MCP4822_HelloWorld

    Runs through some voltages

    dac, MCP4822, SPI
    Last updated: 21 Jan 2011 1 29
  • NokiaLCD

    Added circle and line support

    LCD, Nokia
    Last updated: 07 Oct 2010 5 88
  • Mbed 2 deprecated
    PCA9532

    This program is for writing to PCA9532 on the LPCXpresso Base Board.

    PCA9532
    Last updated: 06 Feb 2010 1 4
  • PCF8575

    Changed the bitwise OR.

    PCF8575
    Last updated: 25 Aug 2011 6 153
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