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Recent Forum Posts

Re: PWPS Servo Problem

Not helped at all, I try timeouts from 200, 300 up to 600 still freezes.

I go hunting a few 16F688 PICs in SMD package and stay with these chips in this application.
louislouis Today, 09:25

Re: PWPS Servo Problem

Yes a hserin timeout that is too small causes some grief even the odd reset, i had to increase it to 300 for hand typed input for a successful
test.
my previous tests had the timeout commented out...
richard Today, 08:46

Re: PWPS Servo Problem

Even in proteus 8 simulator appears the same behavior. After sending a few commands the PWPS stops working and the PIC freezes.
I tested PIC12F1840, that's strange.
louislouis Yesterday, 16:37

Re: PWPS Servo Problem

100% sure, here is my LST file:
9249
louislouis Yesterday, 08:51

Re: 16Bit 125KHz PWM with PIC12F1572

what did you try , post your code

all those calc's are for a 20MHz clock if you use a different OSC then they must be recalculated

the internal OSC is not brilliantly accurate and could...
richard Yesterday, 02:14

Re: PWPS Servo Problem

how sure are you that your code is compiled with the modified inc as i suggested ?

if you examine the lst file generated and search for NoTimerInt
do you see

9248

pbp can be tricky if...
richard Yesterday, 01:52

Re: PWPS Servo Problem

I tested the PIC12F1840 and PIC16F1824 with software serial input. PIC frequency set to 8MHz as required PBP at 9600 baud.
It's working, but the response is kinda slow.

'* Notes :...
louislouis - 5th July 2022, 22:21

Re: 16Bit 125KHz PWM with PIC12F1572

FYI:

1. I just requested a current PBP manual to see if the HWPWM feature now includes >32767Hz.
2. I have the PIC12F1572 data sheet which seems to have a completely differenct PWM operation than...
Zebryk - 5th July 2022, 21:44

Re: PWPS Servo Problem

Unfortunately, same behavior. After sending the command via Bluetooth (I send the command for example: hserout ["Q",dec 155,10,11] in a loop while the pushbutton is pressed). After a while, the servo...
louislouis - 5th July 2022, 13:14

Re: PWPS Servo Problem

What those two chips have in common is auto context save for interrupts.
i simulated the 1824 and the problem was not experienced, but who would trust a simulator

try this for...
richard - 5th July 2022, 12:17

AMICUS

What is Amicus18?

Amicus is a multifunction development system inspired by the popular Arduino board, however, the Amicus board uses a Microchip PIC^® microcontroller instead of an Atmel AVR^tm type.

Comprehensive documentation and a helpful and friendly support environment, make using Amicus18 an easy and enjoyable experience for beginners and seasoned programmers.

Forum Moderator Mackrakit (Dave) very kindly ported the Proton BASIC Compiler code over to PBP3 and modified the original AMicus18 docuemts for PBP3 users.

...

Read More

The Amicus18 Board

Amicus18 is an embedded system platform based on a simple open hardware design for a single-board microcontroller, with embedded I/O support and a standard programming language. A great Partner for PBP3 and Perfect for the PBP3 Experimenter.

AMICUS18 in our on-line shop

...

Read More

Companion Sheild

The entry level shield is labelled The Companion Shield. This is a PCB laid out in the pattern of a solderless breadboard. The holes are single sided, which means that components can easily be removed using solder mop braid, or a solder vacuum tool, if a mistake is made, or components need to be re-used.

The (PBP3) Companion Shield Manual iCan be downloaded from here

See the Companion Shield in our on-line shop
...

Read More

GPS Shield

The Amicus GPS shield contains a multi channel GPS receiver, as well as a 16k byte (128 kbit) serial (I2C) eeprom, and a 3 Volt, 12mm battery socket in order to maintain the receiver's built-in RTC (Real Time Clock).

Available in our on-line store

...

Read More

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