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Recent Forum Posts

Re: How can I reduce ADC drift

Yes, it is.
Demon Today, 00:02

Re: Calculating Sunrise and Sunset 2

black is my attempt at a straight line.... follows actual times fairly close enough to actual exact times. It is just adding and subtracting X minutes each day for 1/2 a year then switching the...
amgen Yesterday, 12:22

Re: How can I reduce ADC drift

The Vdd that resistors are connected to, is the exact same point that PIC Vdd pin is connected also?

Ioannis
Ioannis Yesterday, 10:56

Re: How can I reduce ADC drift

Based on the fact that you are using Power Supply as a reference voltage for the ADC:

1. the Power Supply noise is random and in the length of time it would have very minimal effect on the adc...
Ioannis Yesterday, 10:50

Re: Calculating Sunrise and Sunset 2

table example here ... https://www.suntoday.org/sunrise-sunset/2024.html

Alain
Acetronics2 Yesterday, 10:01

Re: How can I reduce ADC drift

the first step is to measure the noise on the power rail and then to determine if that's an issue, there is no point adding a regulator for the pots if the adc pos reference is noisy
richard Yesterday, 05:30

Re: How can I reduce ADC drift

I use a DC-DC converter to lower 12V down to 5V for the entire circuit.

Would a dedicated 7805 for the pots be a "meaningful" improvement?

I'll have up to 10 pots in the final circuit. Right...
Demon Yesterday, 04:36

Re: How can I reduce ADC drift

50mV of noise on the power supply would do that.
using FVR as adc ref might help a little and or a better regulator for the pots
richard Yesterday, 04:12

Re: Calculating Sunrise and Sunset 2

Depending on your application, the approach you take to solve your problem could differ.

For a changeable lattitude, longitude, Height above sea level, DST the calculation is not trivial. The...
Jerson Yesterday, 04:12

How can I reduce ADC drift

16F18877

- Using fixed input on ADC pin (1K to VDD, 1K to VSS - simulating pot at 50%)
- The ADC will drift from 498 to 509.

HSEROUTs on Serial Communicator:

Is there anything in the...
Demon Yesterday, 03:34

lester

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

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Comprehensive documentation

Published on - 30th August 2011 05:03

Comprehensive documentation and a helpful and friendly support environment, make using Amicus18 an easy and enjoyable ...

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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
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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.

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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

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Product Activation

When installed PBP3 will operate in trial mode for 15 days, we recommend that you TRY PBP3 BEFORE you buy PBP3. Be sure that you are happy with the product and the facilities it offers

After purchasing your PBP3 license, the product may be activated by entering the activation key as prompted by the application, this process should be carried out whilst your host machine has access to the internet. Activation requires that the machine can contact the melabs activation service.
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Supported Devices

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3 x 7 segments LED display

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Dice Project

PICBASIC PRO Electronic Dice project for the PIC10F202 or PIC10F206. Written by Melanie Newman

...

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lester