Tagged Questions

2
votes
2answers
248 views

How can I display a scoreboard on stage for a play?

I am part of the team who makes the scenery for a theatrical play at school. What is needed to be done is to have a scoreboard in the middle of the room, that one will control from backstage. The ...
0
votes
1answer
158 views

Can I remap a car\bike ECU using CAN bus?

I am thinking to use something like this to connect an Arduino to a motorbike engine control unit (ECU): Arduino CAN-Bus Shield with uSD Card Holder. I never did something like this; using CAN bus, ...
0
votes
0answers
104 views

Simple PIC18 USART Interrupt not working

Edit So talking to the duck and some more searching here seems to have solved it. On power on and reset, ports are set to be analog. I now disable this in my setup. It was a problem between this ...
1
vote
0answers
93 views

Receive signal from transmitter with PIC

I have been trying to build a simple wireless setup using the parts enumerated in this post, except I am using a 16f88 pic. Like the poster in the forum I am able to send things from the PIC to the ...
5
votes
4answers
496 views

DS1307 power failure problem

the DS1307 has two power sources the main VCC source and the back up battery, which must feed the DS1307 when the power goes down and keep timing and here my problem, I am facing a problem with the ...
3
votes
1answer
293 views

Is this an OK ICSP circuit?

I recently discovered a project to program PIC18Fs with an Arduino here: https://sites.google.com/site/thehighspark/arduino-pic18f All other ICSP PIC programmers I've seen are more complicated than ...
2
votes
2answers
553 views

Arduino vs PIC nop. Is this the same thing?

If I have the following line of code in an Arduino based project: __asm__("nop\n\t"); Will this have exactly the same effect as nop in PIC12F675? Does it matter ...
1
vote
1answer
581 views

Programming PIC18F2550 with an Arduino

I'm trying to implement a low voltage mode programmer for the PIC18F2550 in an Arduino Uno according to these programming specifications. Bit-sequences are written to the PIC least significant bit ...
0
votes
0answers
266 views

Starting with accelerometers, which to choose? [closed]

So I am trying to buy a low cost accelerometer to use with my Arduino and PIC projects. I don't know much about them, and would appreciate some advice. I have come across two which interest me: the ...
8
votes
6answers
3k views

Arduino or PIC microcontroller?

I was thinking of creating a surveillance mobile robot. And I am having a problem of choosing a PIC or a Arduino microcontroller. The surveillance mobile robot is controlled via wireless fidelity ...
3
votes
4answers
894 views

Can i implement a wireless connection between an embedded system and a mobile phone?

I'm trying out an automation system, and i was wondering if it is possible to communicate over, say WIFI between a mobile application and an embedded systems based arduino ethernet shield or microchip ...
2
votes
2answers
348 views

Power efficiency on PIC/AVR

I usually make Arduino protos without worrying about power- there will always be power so why worry. Recently I was asked to make simple device that counts clicks/ticks( a knob turning that makes a ...
4
votes
11answers
560 views

Want to apply EE knowledge — which microprocessor would you recommend?

Here's my story: I got my electrical engineering degree BUT I do not have a lot of experience with circuits (OMG, right? O_O). Most of my education was about communication theory, so I really feel ...
1
vote
2answers
807 views

Controller for greenhouse control system

I'm working in a project where we are developing a greenhouse control system, to take care of temperature, humidity... For the first step where we only log the parameters to an SD we have been using ...