"I keep reading in the Arduino reference that you can use "Constant String" + analogRead(), myString += 123, and similar constructions, but whenever I do I get random-length garbage. Using the String constructor to concatenate a…"
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Andy S's Discussions
String to char*
Started this discussion. Last reply by Jonathan Dean Dec 19, 2012. 2 Replies 0 Likes
Sorry for the stupid question, but i'm just looking for another set of eyes, perhaps someone can tell me how can i get this going...String mystring="";void setup(){Serial.begin(9600);}void…Continue
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Jonathan Dean replied to Andy S's discussion String to char*"First, if you try to append a non-string value to a string it'll get weird. Instead of
Char arrays don't offer all the flexibility that a String object does, and they're sometimes kind of hard to work with, but they're a…"
Andy S posted a discussionString to char*
Sorry for the stupid question, but i'm just looking for another set of eyes, perhaps someone can tell me how can i get this going...String mystring="";void setup(){Serial.begin(9600);}void loop(){mystring="The ADC value is: " + analogRead(A15);Serial.println(mystring);sendlog(mystring);delay(10000);}void sendlog(const char* message){//do whatever to send this to logging SD...}while compiling, i get the following: error: cannot convert 'String' to 'const char*' for argument '1' to 'void…See More
Andy S replied to chris M's discussion GSM - SIM900 Dropping Connection"Micky,
This is interesting topic. Coincidentally i was researching and playing with the same thing as well a few months ago, but could not find a solution for this... my issue was as follows:
SIM900 arduino shield was connected to MEGA…"
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