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Search took 0.01 seconds. Search: Posts Made By: skybolt
Forum: OpenGauge / MPGuino FE computer 06-16-2017, 03:08 PM
Replies: 201
Views: 58,991
Posted By skybolt
Acceleration screen

Note 3rd graph title for drag status. Drag does not end until both full speed and distance are reached.

Hypermiler use:
Accelerate as slowly or smoothly as possible
Try and keep total fuel...
Forum: OpenGauge / MPGuino FE computer 06-16-2017, 11:43 AM
Replies: 201
Views: 58,991
Posted By skybolt
Updated JSON function

Here is the updated JSON function, in zip form and in CODE block

void doOutputJSON(void) //skybolt added json output function
{
digitalWrite(LED_BUILTIN, LOW);
digitalWrite(LED_BUILTIN,...
Forum: OpenGauge / MPGuino FE computer 06-16-2017, 11:40 AM
Replies: 201
Views: 58,991
Posted By skybolt
Clean shield, better code

Here's the finalized v1 pi shield. The tinyduino attaches at the top and can be easily unplugged from the shield using the cartridge-style connector.
...
Forum: OpenGauge / MPGuino FE computer 06-14-2017, 05:22 PM
Replies: 88
Views: 18,488
Posted By skybolt
Most recent enhancements: 1. Can show...

Most recent enhancements:

1. Can show multiple lines of text by changing values every N seconds
2. Show acceleration times, acceleration fuel used, and acceleration mpg/l
3. Rearranged tiles...
Forum: OpenGauge / MPGuino FE computer 05-18-2017, 07:06 PM
Replies: 201
Views: 58,991
Posted By skybolt
fDevelopment back on track. I've managed to...

fDevelopment back on track. I've managed to duplicate an MPGuino using a 3.3v board, which is necessary to transmit data to the pi without a voltage converter like this one...
Forum: OpenGauge / MPGuino FE computer 05-05-2017, 01:02 PM
Replies: 201
Views: 58,991
Posted By skybolt
My speed sensor is only putting out 4.2 volts --...

My speed sensor is only putting out 4.2 volts -- none of the arduinos can read it, but inexplicably the speedometer still functions correctly. I will locate/repair the physical damage and resume...
Forum: OpenGauge / MPGuino FE computer 05-01-2017, 01:46 PM
Replies: 201
Views: 58,991
Posted By skybolt
Hold off on code investigations for now. I...

Hold off on code investigations for now. I re-tested the 0210 code with the Meelis hardware and Meelis resistor/diode array. Works as expected. I now have sufficient clip-on wires to make more robust...
Forum: OpenGauge / MPGuino FE computer 04-30-2017, 10:21 PM
Replies: 201
Views: 58,991
Posted By skybolt
I have Vago's code running on an Arduino Pro Mini...

I have Vago's code running on an Arduino Pro Mini 3.3v 8MHz, (Amazon (https://amzn.to/2JLmfWM) $10 for 3 of them) and it runs well. I also have it running on a TinyDuino...
Forum: OpenGauge / MPGuino FE computer 04-29-2017, 12:25 PM
Replies: 201
Views: 58,991
Posted By skybolt
Great! Thanks - it tcompiles and I will test it...

Great! Thanks - it tcompiles and I will test it in-vehicle shortly. I expect the instrument readings to be the same as using legacy code (which is giving me anomalous results, but again that is...
Forum: OpenGauge / MPGuino FE computer 04-29-2017, 01:23 AM
Replies: 201
Views: 58,991
Posted By skybolt
Line 276, I didn't have a board set --- needed to...

Line 276, I didn't have a board set --- needed to uncomment #define useLegacyBoard true, then it compiles without having debugReadings true. But, then the Adafruit LCD now longer shows any output,...
Forum: OpenGauge / MPGuino FE computer 04-29-2017, 01:00 AM
Replies: 201
Views: 58,991
Posted By skybolt
Let me try with a fresh copy of 20170210. In the...

Let me try with a fresh copy of 20170210. In the meantime, here's what I am trying to compile:
Forum: OpenGauge / MPGuino FE computer 04-27-2017, 03:45 PM
Replies: 201
Views: 58,991
Posted By skybolt
Adafruit shield working great, at least with...

Adafruit shield working great, at least with debug readings. LCD init isn't an issue if LCD is powered from 7805, which works well. Warning: Do NOT use 12v input for Arduino Pro Mini 3.3v (even...
Forum: OpenGauge / MPGuino FE computer 04-10-2017, 11:46 AM
Replies: 201
Views: 58,991
Posted By skybolt
Adafruit shield working

I have a demo MPiGuino sled running with the Adafruit LCD/button shield. Much nicer having only two wires (in addition to power and ground) to contend with. I changed the two zener diodes to 2.1v to...
Forum: OpenGauge / MPGuino FE computer 02-22-2017, 02:29 PM
Replies: 88
Views: 18,488
Posted By skybolt
Well, then now is a good time as any to roll out...

Well, then now is a good time as any to roll out this potato: I need your routine to calculate mileage down to the ten-thousandth, which will result in resolution of about a foot. (In my car,...
Forum: OpenGauge / MPGuino FE computer 02-04-2017, 02:15 AM
Replies: 88
Views: 18,488
Posted By skybolt
The following is based on: const char...

The following is based on:
const char overFlowStr[] PROGMEM = "999999";



reserveQuantity = doCalculate(instantIdx, tFuelEcon); //instant fuel economy
if (doCalculate(instantIdx,...
Forum: OpenGauge / MPGuino FE computer 02-04-2017, 02:12 AM
Replies: 88
Views: 18,488
Posted By skybolt
doOutputNumberJSON(2 * doCalculate(tankIdx,...

doOutputNumberJSON(2 * doCalculate(tankIdx, tFuelEcon) / 3, 3, PSTR(",")); // 2/3 tank fuel economy
doOutputNumberJSON(3 * doCalculate(tankIdx, tFuelEcon) / 3, 3, PSTR(",")); // tank fuel...
Forum: OpenGauge / MPGuino FE computer 02-01-2017, 08:09 PM
Replies: 88
Views: 18,488
Posted By skybolt
One more issue to contend with that merits a...

One more issue to contend with that merits a standalone post. What to do about engine-off-coasting and instant MPG?

I changed the overflow return value -------- to 999999 (or so), which then...
Forum: OpenGauge / MPGuino FE computer 02-01-2017, 07:55 PM
Replies: 88
Views: 18,488
Posted By skybolt
I'm goofing around with the code at approximately...

I'm goofing around with the code at approximately line 10915 (I say approximately because I may have added lines.

text::stringOut(devLogSerial, PSTR("\"ranges\":["));

(this is in the 3rd JSON...
Forum: OpenGauge / MPGuino FE computer 02-01-2017, 07:25 PM
Replies: 88
Views: 18,488
Posted By skybolt
Thumbs up The d3.js library strips any characters it...

The d3.js library strips any characters it doesn't like from the text field, as it applies all HTML tags itself. (This is probably to keep people from breaking it by inserting custom tags). The...
Forum: OpenGauge / MPGuino FE computer 01-29-2017, 04:09 PM
Replies: 88
Views: 18,488
Posted By skybolt
CAUSE FOUND! When no fuel used (i.e. tank reset),...

CAUSE FOUND! When no fuel used (i.e. tank reset), calculates to --------. Cannot be read by pi.

Q: What's the precise sequence for tank reset? Once I'm on the tank reset screen, I keep getting...
Forum: OpenGauge / MPGuino FE computer 01-29-2017, 02:14 PM
Replies: 88
Views: 18,488
Posted By skybolt
This appears to have been an intermittent (!)...

This appears to have been an intermittent (!) issue associated with my USB-C to mini-to-FTDI adapter. It is now functioning as expected.



I assume you are not referring to sleep mode after not...
Forum: OpenGauge / MPGuino FE computer 01-21-2017, 04:57 PM
Replies: 88
Views: 18,488
Posted By skybolt
Output bug

I cannot generate any serial output on Arduino Mini or Pro Mini, and cannot generate serial output on Arduino/Genuine Arduino. Same settings on ArduinoMega or Mega2560 work fine. Using serial port...
Forum: OpenGauge / MPGuino FE computer 01-20-2017, 02:32 PM
Replies: 88
Views: 18,488
Posted By skybolt
Can't do JSON output on 0; compile error: ...

Can't do JSON output on 0; compile error:

sketch/main.cpp: In function 'void pushSerial0Character(uint8_t)':
main.cpp:5895: error: expected primary-expression before ')' token
while ((UCSR0A &...
Forum: OpenGauge / MPGuino FE computer 01-20-2017, 02:12 PM
Replies: 88
Views: 18,488
Posted By skybolt
Minor bugs

Trying to deploy 20170116 to ATMega with Parallax LCD. Display beeping madly. In setting bit rate to 384 and 96, found the following:
Line 434. What used to read:

#ifndef useSerialLCD
#undef...
Forum: OpenGauge / MPGuino FE computer 01-12-2017, 08:55 PM
Replies: 88
Views: 18,488
Posted By skybolt
Quick GIF of head unit

Quick GIF of head unit
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