gsm

-

hi have gsm sim900a , want send sms mobile phone gsm , when gsm recive sms , play melody dont know hoe ???
pleaes ............

no 1 cant me ?????


Arduino Forum > Using Arduino > Project Guidance > gsm


arduino

Comments

Post a Comment

Popular posts from this blog

ffmpeg h264_omx encoder - libomxcore.so missing. - Raspberry Pi Forums

-
linux raspberrypi 4.9.56-v7+ #1044 smp fri oct 13 15:23:13 bst 2017 armv7l gnu/linux fmpeg version 3.2.5-1 when try use h264_omx encoder [h264_omx @ 0x4eb940] libomx_core.so not found [h264_omx @ 0x4eb940] libomxcore.so not found tried apt-file find 2 files don't seem part of package?! where/how should find them? in advance! after research learned omx layer in raspbian handled libomxil-bellagio library. fact ffmpeg apparently expecting different library suggest there's wrong raspbian ffmpeg package? anyway, recompiled ffmpeg myself , got h264_omx encoder work. raspberrypi
Read more

class MPU6050 has no member named begin

-
hi all, as working out scripts wich me make winddirection meter gy-87 calibrate compass sensor on board. i using script "hmc5883l_calibrate_mpu6050" korneliusz jarzebski. i fault "class mpu6050 has no member named begin" /*   calibrate hmc5883l + mpu6050 (gy-86 / gy-87). output hmc5883l_calibrate_processing.pde   read more: http://www.jarzebski.pl/arduino/czujniki-i-sensory/3-osiowy-magnetometr-hmc5883l.html   git: https://github.com/jarzebski/arduino-hmc5883l   web: http://www.jarzebski.pl   (c) 2014 korneliusz jarzebski */ #include <wire.h> #include <hmc5883l.h> #include <mpu6050.h> hmc5883l compass; mpu6050 mpu; int minx = 0; int maxx = 0; int miny = 0; int maxy = 0; int offx = 0; int offy = 0; void setup() {   serial.begin(9600);   // initialize mpu6050   while(!mpu.begin(mpu6050_scale_2000dps, mpu6050_range_2g))   {     delay(500);   } how slove error? any apreciated. kind re...
Read more

Need simple timer/stopwatch sketch

-
hello,  i need simple timer or stopwatch sketch. i have uno.  i going use 2 photoelectric sensors , need basic simple sketch start timer when first 1 tripped , turn timer off when second 1 reached. displayed in seconds , minutes.   i have reset button start over.  read on digital readout, know how that. any appreciated.  thanks, tony the same question asked in forum few days ago. is school assignment? check this link - may you'll find 1 of classmate... build code doing this: in plain english it's stage = waiting // start if detector1 goes above below threshold loop     read both detectors , button.     if button pressed set stage waiting     else        if detector 1 above threshold , stage waiting set stage starting         if detector1 below threshold , stage starting then              record start time , set sta...
Read more