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48 Threads found on Arm Adc
Hi All, I am planning to measure AC load current using ACS718. The output of ACS718 is sine with 2.5 volt positive offset. My microcontroller adc positive reference is 3.3V. I am facing difficulty in reading the ACS718 output using microcontroller. Please help me to solve this issue. My circuit is attached below 131422
I will recommend to buy any stm32 discovery board and try doing coding from peripheral examples. There will be example bundles which covers all the peripherals like adc, DAC, RTC, POWER, DMA, WDT, LPTM and a lot... Also recently ST developed a very interactive automatic initialization code generation tool called stm32CubeMX which is very useful a
Hello! microcontroller only can creat digital signal,I don't think you can creat. Probably we don't use the same series. Most of those I know (MSP430, PIC, arm...) have adc and some of them also have DACs. i have a doubt here, am using a microcontroller and want to generate 4 different frequency signal from a single chan
Hello, I am looking for a arm micro-controller that has 10-bit 500MS/s adc or more. If it comes with a evaluation board that would be great. If anyone knows about such board, please let me know. It is very urgent for my research. Thanks.
Hello, I am newbie to arm i used to code in AVR and PIC. I am having a LPC 1768 development board comparing to AVR, the examples are so much confusing. Where can i find good tutorial or manual to start programming arm board with understanding whats going inside?AM looking for beginners things like GPIO,adc,DAC,USART etc to begin with.Can (...)
please give comparison of different adc mode use in arm microcontroller in terms of 1) Conversion time 2) execution time 3) advantage and disadvantage 4) application I'm not sure what you mean by the burst mode, but I'll speak about the rest. I'll speak in terms of general adc principles and not specific to any arm c
Have a look at this page, you will know how to integrate GCC with Keil. And the GCC for can be downloaded from this page.
//adc using interrupts arm 7 LPC2138 #include unsigned int result=0; //void t0_init_isr(unsigned int msec); void adc_isr_init(void); void adc_schedule()__attribute__((interrupt("FIQ"))); void initLCD(void); void enable(void); void LCD_WriteChar(char c); void LCD_WriteString(char * string); void (...)
Hello. I have settled on a adc for a project, ADS1174, its a 4 channel simultaneous sampling 16-bit adc. I have a Arduino Due(SAM3X8E) which I am using, I'm thinking of etching a board to fit over the Due as a protoshield. The adc has a SPI interface but it has one output signal for each channel, and I wonder how I should use them. I (...)
No chance. A high recent performance ?C (e.g. arm) should be able to read a data burst in this speed range from an external adc in DMA mode.
hi all, I want to connect micro2440 adc pin to external voltage(0v to 5v) and use 10-digit digital output. Can anyone help me with a sample code? I use linux qtopia and compile source code in ubuntu 12.04, with arm-linux-gcc. Finally, I want to send this 10-digit output(previous paragraph) to PC via rs232 protocol.I need another sample code
All variants of the NXP LPC21xx series of arm microcontroller share the same baseline features as they are all based on the arm7TDMI-S core, the major differences between these variants is an increase in Flash, RAM, GPIO and the addition of various peripheral hardware modules such as CAN, USB, adc, Ethernet, etc. For example, the only (...)
hi guys, i am using Arduino Due with Atmel Studio . SAM3X8E arm cortex m3 Processor. Atmel Studio 6.1IDE. SAMICE Debugger. i am trying to read Analog Signal in the internal adc & trigger of adc is External Which i have given 1mhz. i am trying to read 128 Samples in for loop .but i am getting only 2 or 3 Sample Which iam printing (...)
hi I am a newbie to programming with MCUs. I am trying to modify the adc program by reading voltages at 1000 hz, i.e i want to put the mcu to sleep for 1ms. I know this can be accomplished using the wfi instruction, but can anyone please tell me how to write the subroutine to do that. Thank you in advance !
Actually In my view first of all you need to try writing some Custom code on Hardware (preferably arm core like LPC2148 board ) like UART communication from PC, using internal adc , keyboard interfacing .... then start integrating them in one application then you can use RTOS functionality to extend the codes .... refer this will help you - http
Hello!! i am using LPC2138 to do some experiment with arm. Started with LPC2138 Because it is available in Proteus. Had write the codes for LCD, UART and LED Blinking but the problem i am facing with adc is that, it working well in Keil Simulator. But when simulating it in Proteus, is creating a problem. Like when i connect POT-HG with P0.2
Have a look at this link I too had found that problem and then i slow my adc conversion speed and it starts working. Have a look at the above link. Hope that will help you
Hello all, I am making Autonomous Quad. I am programming my IMU using ADXL335 -3 Axis analog Accelerometer & L3G4200D 3-axis digital Gyro. I am using arm Cortex M4F based TI's stellaris launchpad LM4F120XL. I've a problem while implementing IMU. Here is my algorithm of IMU... By adc I am getting reading of accelerometer in Dx, Dy & Dz.
Hello!! Everyone i am new to arm Micro-controller's, few months back purchased a Development Board having LPC2148 Micro-Controller. I did Lcd Interfacing, UART and led also, but having some problem with adc Interfacing. Here is the Circuit for that. 87262 But its not working, LCD is working fine, please help me,
you can treat it however you like - regular FPGA (with wasted arm cores) or one with an arm core in it. The benefit of hard cores is it will make data treansfer between arm and FPGA much easier and much faster.