Skip to main content

Show Posts

This section allows you to view all Show Posts made by this member. Note that you can only see Show Posts made in areas you currently have access to.

Messages - octal

General discussion / New $14 MPLAB Snap In-Circuit Debugger/Programmer
MPLAB Snap In-Circuit Debugger/Programmer allows affordable, fast and easy debugging and programming of most PICĀ®, dsPICĀ® and AVR flash MCUs  and it's $14 only ... =MPLABSnap

 I sincerly don't understand Microchip marketing strategy.

the differences from PICKit4 can be found in this document on Page 4 ... 02787A.pdf
General discussion / What PCB design tool are you using? anyone using Kicad?
I'm getting back to a hot subject related to PCB design tools. I'm mainly interrested in those who switched or are using Kicad?
Why did you switched to or left Kicad?
I know that Adafruit is switching to Kicad, and Olimex switched completely to Kicad long time ago.
Any feedback ????
General discussion / Re: Microchip released a new PICKit 4 debugger - programmer
[quote author="dpropicweb"]From the PICLIST regarding the new ICD4 (not PICkit4:

- ICD4 cannot provide any target power unless an external power adaptor is
connected. The ICD3 on the other hand can provide target power from the USB
supply alone, and has no connection for external power.

- The external power adaptor required is 9V DC. There are few places in the
documentation that state this. It's a 2.5mm pin DC jack, centre positive (as
expected, but not stated anywhere I could find). Nor is there anything I can find that
states the range of acceptable DC input voltage.

- Programmer won't program if it detects residual power on the programming pins
(comes up with a warning and won't let you continue), not a problem with ICD3.
While this seems like a reasonable precaution, it can create some problems. It
doesn't seem to be a feature that the user can confgure (set threshold) or turn off,
using MPLABX IDE v4.15 anyhow. The project I am working on presently will
ultimately be battery powered, but for development it's powered by the ICD. I have
an FTDI USB/USART cable connected to the uC serial port for debugging... TXD
from PC pushes up the uC supply rail enough to bring up the warning. Fixed by
adding 10k in series with TXD and 1k across uC VDD/VSS... works, just kind of a
hassle. Would be nice to plug in a programmer/debugger and have it work without
modifying the hardware.

- The ICD4 is taller and heavier than the ICD3, and has a metal (aluminium) case.

- The LED bar across the top of the ICD4 looks cool.

Sorry but you are writing comparison about ICD3 vs ICD4. The post I published is about PICKit4 and NOT ICD4 ;)
General discussion / Re: Are you using Kicad ?
42 views and no asnwer. Seems DP community changed a lot these last two years. No sharing, no discussions, ...
what happens with you guys?
General discussion / Are you using Kicad ?
I'm long time user of Diptrace (and long time hater of Eagle), and I'm looking at switching to Kicad in order to publish open hardware projects made with completely open software tools.
Are you using Kicad? are you using it to produce real boards?
any return of experience or feedback will be welcome.

General discussion / What chips are you using for your developments?
Are there a lot of users still using 8bit microcontrollers? it has been a long time for me since I didn't produced something really useful using those chips.
Also are you using PIC32 chips? I really can't find information about PIC32 adoption in the market.
General discussion / Re: Signal level coverter/adapter
I'll do some trial and let you know about my results.
My idea is to create a small usb powered I2C, SPI and OW serial memories. The signal level converter will let me program low level voltage memories (1.8 up to 2.2V mainly).
I'll publish all my tests and my programmer schematics soon.

General discussion / Signal level coverter/adapter
I have found a schematics of a level converter at Pololu,

I zoomed the transistors used by this module if anyone can help identify them

Can anyone suggest a ref for the mosfet used? pololu refuse to disclose the ref they use, and btw, I want to use it for up to 10MHz if possible.

General discussion / XC32 and Gcc difference
I'm looking at an alternative to Microchip XC32 for PIC32 development. Do you know the difference between XC32 and the stock GCC (modified by Codesourcery if I remember) that supports MIPS architecture?

The only one I'm aware of is the "#pragma config"  directive that Microchip added to handle PIC32 config words.
btw, I'm not talking about associated files (I know that glibc and other soft float ... are proprietary), I'm talking about the compiler itself.