2.8"TFT V1.0 & SD V1.0 with RS jpeg on Mega dtk help!
My name is John,Im fairly new to the Arduino platform but I've been programing for decades. This one has me stumped due to vague documentaion and libraries that dont work for me. First I cant find...
View ArticleTutorial: Reading Water Flow rate with Water Flow Sensor
Just to be clear (sorry for asking a dumb question)The breadboard diagram looks to have the power and ground connected together and the power connected to signal at the left of the breadboard... This...
View ArticleTutorial: Reading Water Flow rate with Water Flow Sensor
eltoddo: Yes, it will be off 1.5cl in the worst case. If, and only if, the accuracy is constant for a certain device, it can be configured. Lets say you have constant -1% error in measured vs. real...
View ArticleTutorial: Reading Water Flow rate with Water Flow Sensor
dnordenberg: No, you don't care about them. We need to look only the pulses during the 1 second period for our calculation of flow. The problems will come up only if the flow will change a lot in a...
View ArticleTutorial: Reading Water Flow rate with Water Flow Sensor
Hi everyone,Sorry for my english but i'm french... In first thank you for your post it' very interesting... I have just one qustion about your code, the flow is in L/min no? In the data sheet 7.5Q is...
View ArticleTutorial: Reading Water Flow rate with Water Flow Sensor
Hello,Thank you very much for the write up. I am a newbie to microcontrollers and particularly in regards to fluid dynamics and flow rate.Can anyone explain in detail the formula used:NbTopsFan * 60 /...
View ArticleTutorial: Reading Water Flow rate with Water Flow Sensor
I was think the same thing. I am wanting to dispense different liquids in the same fashion but I am wondering what this 3% means too. What would be the lowest accurate amount it could safely measure?...
View ArticleTutorial: Reading Water Flow rate with Water Flow Sensor
This is very interesting! Thanks for posting. I have a question around a practical example I'm thinking about putting together around this. I see the the "accurate within 3%" note and I get a bit...
View ArticleTutorial: Reading Water Flow rate with Water Flow Sensor
No problem Eric. I enjoyed writing it. I am working on the next write up, where I will show the user how to display that flow rate on an LCD. Eventually I want to set it up so the user can log the data...
View ArticleTutorial: Reading Water Flow rate with Water Flow Sensor
Can't wait to post it onto our product page.... Thank you so much pal!Statistics : Posted by makersworkbench • on Sun Aug 29, 2010 2:43 pm • Replies 22 • Views 54855
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Tutorial: Reading Water Flow rate with Water Flow Sensor
This is part of a project I have been working on and I thought I would share it here since there have been a few threads on how to read water flow rate in liters per hour using the Water Flow Sensor...
View ArticleArch GPRS: Is it possible to use Grove Temp/hum sensor??
yihui.xiong wrote:Hi,Are you using a base shield? If it is, the issue will be that Grove's VCC of base shield is 5V but 5V is not available with battery powered.Are there any way to connect the Grove...
View ArticleArch GPRS: Is it possible to use Grove Temp/hum sensor??
Hi,Are you using a base shield? If it is, the issue will be that Grove's VCC of base shield is 5V but 5V is not available with battery powered.Statistics : Posted by njbuch • on Tue Jan 21, 2014 7:08...
View ArticleArch GPRS: Is it possible to use Grove Temp/hum sensor??
Hmm, just checked that battery - its 3.7 volts.Bugger, can anyone confirm that sucks! The DHT11 sensors does not work on the Arch GPRS !!!Statistics : Posted by njbuch • on Tue Jan 21, 2014 7:08 pm •...
View ArticleArch GPRS: Is it possible to use Grove Temp/hum sensor??
cory.j.fowler wrote:Elaborate more...I've not used the Grove stuff, but, briefly looking over them, neither the shield or the sensors have a battery input and the shield's wiki specifies its operation...
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Arch GPRS: Is it possible to use Grove Temp/hum sensor??
njbuch wrote:Hi again I have placed a Grove light sensor, and a Grove Temp/Hum sensor in the jar, together with the Grove Shield. All works fine, when connected via USB. But as soon as it is battery...
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Arch GPRS: Is it possible to use Grove Temp/hum sensor??
Hi again I have placed a Grove light sensor, and a Grove Temp/Hum sensor in the jar, together with the Grove Shield. All works fine, when connected via USB. But as soon as it is battery powered, the...
View ArticleEthernet Sheild Not Finding Connection
I also just saw the error in the original gateway value and tried this change but still no connection.#include <SPI.h>#include <Ethernet.h>byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED...
View ArticleEthernet Sheild Not Finding Connection
I've just changed the code to reflect the router IP alone but still no connection.#include <SPI.h>#include <Ethernet.h>byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };byte ip[] = {...
View ArticleEthernet Sheild Not Finding Connection
I am working with a Seed Studio 1.1 ethernet shield on an Arduino Uno and a set up code out of the Arduino Cookbook. The code seems to be working. When I go to the serial port it reads connecting ......
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