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I am trying to read data from ADXL3445 accelerometer using PIC18F4550. The ADXL345 supports both SPI and I2C interfaces. I am using SPI for my project.
The code I am using for reading and writing data to ADXL is as follows :
#define SPI_CS LATAbits.LATA5
unsigned char POWER_CTL = 0x2D...
Hello,
I want to make a project in which I need to interface microcontroller with PC through Ethernet Port. For that, I am planning to use Microchip Controllers. My question is that among PIC18F97J60 and PIC32MX6XX, which controller will be easy to use for first timer like me ? also, microchip...
Pull down is only needed when you don't know the o/p state and want to make it default low, means if you are not giving any input on TTL line (either it is disconnected or in High Impedance mode), it will PULL DOWN the pin, so R2 will act as a pull down resistor. But, keep R2 of high value...
you have two options.....
1). Instead of parallel port you can use serial port to do this. For that you will need a microcontroller that detects when you are pointing the laser at LDR. And on detecting this, it will simulate mouse click using RS-232 mouse protocol.
2).If you want to use...
Hello,
I want to switch a 6W, 35MHz signal (upto 30V peak-to-peak). The switching frequency needed is upto 300Hz. I wanted to ask what kind of devices can I use to achieve this ? Also, I have to use only Solid State Devices (no electromechnical parts).
I think implementing all the standards is too difficult. There is one project called LIRC (Linux Infrared Remote Controller). What they have done is that they have implement an algorithm which can learn the protocol and after that, it can detect each standard. The problem is, they have...
SD card implements various file storage algorithms (FAT, NTFS, etc.). Easiest to learn is FAT (File Allocation Table). You will have to learn how FAT is implemented to store files on memory. You can use this book : "Programming 32-bit Microcontrollers in C - Exploring the PIC32 by Lucio Di...
I am trying to access SD card and implement FAT using microcontroller.
I want to ask if there is any software for PC that can display SD card's contents in raw form ?
Re: Choice of development board for embedded OS
1). There are many board like these are available with various options. I recently worked on SBC6410 Dev Board from Boardcon. For specification and to see other similar products, visit : **broken link removed**
2). I think 256 MB is enough for...
What is the maximum speed you want for data transfer ?
If it does not exceed 2-3 kbps, then you can use 433 MHz band tx/rx. They are too easy to use, especially when using with microcontroller.
Sunrom sells this kind of Rx/Tx.
visit :
RF Receiver - 433 MHz for Remote Control [STR433] ...
I am using SPI EEPROM to boot vs1003 (mp3 decoder chip). My problem is, is there any easy-to-make and cheap programmer that can be used to program SPI EEPROM such as 25640 using PC ?
And, I have Atmel's STK600 Development board. Can I use it to program SPI EEPROM ?
Also, the Pony Prog...
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