Tagged Questions

5
votes
3answers
267 views

Ethernet connector and transformers

I'm working on an Ethernet connection for a PIC18F4620 with the ENC28J60. I found a useful article here, with a schematic: I see I need transformers between the RJ45 connector and the Ethernet ...
2
votes
2answers
109 views

I2C pull-up resistors calculation & where to place them

I'm connecting a PIC18F46K22 (master) to a PIC18F4620 (slave) using I2C. The wire between the devices is ~30cm. I'm using 400kHz without slew rate control. Later on, I'll add another 18F4620 on ~5cm ...
3
votes
2answers
133 views

PIC Microchip interface with PC

I have been using USART for interfacing PICs to my PC for datalogging. The problem is that now serial ports are not very common and often you need a USB-Serial adapters which do not always work or ...
1
vote
0answers
153 views

PIC32 read feedback from UART

I'm using a PIC32MX795F512H to set up a Roving RN-131 wifi module using UART. I can communicate with the device but I want some feedback whether my commands are processed or not. I basically need to ...
2
votes
3answers
826 views

Starting with I2C on PIC18s

For a project I'd like three PICs (two slaves PIC18F4620, one master PIC18F46K22) to communicate over the I2C bus. Later on, more slaves may be added (like EEPROM, SRAM, ...). I'm writing the code for ...
2
votes
3answers
438 views

Sending integers via PIC's USART

I need to send integers from my micro controller board (PIC16F877) to the PC. I'm using MAX232 for this. I need to use a code ...
2
votes
1answer
149 views

Selecting a transceiver module for a wireless communication system [duplicate]

Possible Duplicate: Suggestions for a Point-to-Point reliable Wireless Communication Module I got a project to design a wireless communication system in order to communicate between the ...
2
votes
1answer
3k views

Tutorial for USB communication with a PIC18F4550 using CDC framework

I am trying to perform USB communication from the PC to a PIC18F4550 microcontroller using the Microchip PIC18 USB CDC(Communication Device Class) Framework which essentially makes the PIC18, ...
2
votes
2answers
630 views

Microchip PIC24F & Android device: Which can be host device?

I work on a project where I want to connect PIC24F (Accessory Development Kit for Android www.microchip.com/android) and Samsung Galaxy S2 that I updated from android 2.3.3 to android version 2.3.4. I ...
9
votes
6answers
3k views

Wireless communication between more than two Microchip PIC microcontrollers

I would like to create wireless communication between Microchip PICs for my simple project. It's actually an one way communication but there is one server and more than one client (about 2-4, all ...
1
vote
1answer
1k views

What better options are there than the LM1893 for powerline communications?

I'm looking to build a home automation system which uses the powerline to carry the data between nodes. I have an old design based on a combination of LM1893, HC123 and 8748, but the slave board is ...
10
votes
3answers
1k views

Selecting a network layer over CAN bus

I am planning on using CAN bus in an industrial automation application, however I'm having a hard time deciding how to implement the network layer. Does anyone here have any recommendations for a ...