Tagged Questions

2
votes
1answer
192 views

BLDC Motor Driver Losses

That was a pdf when originally uploaded, but am now going to try to zoom in on the sub-circuits. Please let me know if there's a better way to do this. I'm trying to make a PIC-based BLDC motor ...
1
vote
2answers
2k views

Designing high-power LED driver with PWM

Update: Provided I set up the PIC and program it correctly (planning on using this guide to interface it as a USB HID device), would this be a suitable configuration? I'm not entirely certain how I ...
3
votes
3answers
523 views

Question on RGB LED Array

I have been looking around at 4x4x4 and 8x8x8 LED Cubes and I had a couple of question about them. A few I have seen have a full range of colors from the LEDs which I am assuming means they are using ...
0
votes
1answer
646 views

how do i drive the h bridge to control a motor?

I am using the ZXMHC3F381N8 MOSFET H-Bridge to drive a motor forwards and backwards. I am using a PIC16F1946. The H bridge is connected to PORTE of the PIC. This is the code I am using to set up the ...
0
votes
3answers
150 views

How should I setup the PIC's LCDREF register?

I am using PIC16F1946. It has a LCD driver module in it. I read the datasheet and it mentions LCDREF register (Section 27-3 in the datasheet). I cannot find useful info on how to set it up? Could ...
0
votes
3answers
388 views

Replacement for the MC14495-P1

I need to find a device I can use in place of the MC14495-P1 binary to hexadecimal LED driver. This part is sadly very scarce and very expensive these days. The device is a 16 pin DIP with +5V on ...
1
vote
2answers
364 views

Pic-PC (Crossplatform) USB interfacing without writing custom drivers

I'm planning to use a PIC for a MIDI pedal that can be configured from a PC (through USB). Is there a way to do crossplatform (at least mac/windows, better if also linux) USB in userland (or another ...
1
vote
1answer
546 views

Problems driving leds with the MM5450

First what is my final goal: to drive 24 RGB LEDS using a microcontroller connected serially to a Micrel MM5450 LED driver. It would be nice to be able to drive all of them individually (72 LEDs), but ...