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Data Loss over Serial Communication thru GSM SIM9000A Modem
I have an Arduino Mega 2560 board and using Serial 2 for communication with SIM9000A GSM Modem. I send over a HTTP get request by using appropriate AT command strings. The GSM...
Tuesday, 17 February 2015 - 07:12
Data at Serial Port Avaliable
I am interfacing a GSM modem via Arduino at Serial port 2. I have seen that responses fron GSM modem are subject to time. Sometime its response are fast and sometime it are slow....
Friday, 13 February 2015 - 12:31
Self answering a Intercom and playing louldy for person to response
We have two labs - one in 1st floor and other at 2nd floor. We are connected by intercom - both the labs has one device each. The issue is that the person who sits near the...
Thursday, 8 January 2015 - 04:22
Electronic Valves Inside Water
For an Arduino project I am in need of a sensor(valve type functionality) that can achieve the following - it would open when a liter bottle or container is empty and close when...
Wednesday, 10 December 2014 - 12:14
Flow Sensor does not work properly when flow rate is low / high
[Moved to the General Electronics forum]   I have been using flow sensor to calculate the amount of water dispensed . But when water level is less in water tank i.e. flow...
Tuesday, 9 December 2014 - 11:30
Arduino Mega 2560 ADC read Minivolts at ADC port A8
I am stuck up to find a way by reading analog input at port A8 of Arduino Mega 2560 at a resolution of 1 mV. I have a pH sensor which gives value of 1 mV which equal to 1 ppm and...
Monday, 24 November 2014 - 09:46
Measure Water Flow in literes using Arduino Mega 2560 Board and Water Flow Sensor
I have a water flow sensor with Arduino Megs 2560 board. I am trying to conceptualize the concept to calculate amount of water getting dispensed esp. in 1,2,3,4 and 5 liters...
Friday, 14 November 2014 - 06:33
Arduino Mega 2560 RFID Serial Communication
I have an RFID reader: Something like same above along with ITEAD TFT shield & GSM Modem. The RFID reader has RS-232 port as well as GND,TX and 5V pins. I am using Arduino...
Wednesday, 5 November 2014 - 09:29
Arduino Mega 2560 And 2.8 ITDB02 Shield
I am really struck hard with integrating Arduino Mega 2560 board and 2.8 ITDB02 Shield.   The shield is connected to board such that the SD cad slot with it is on the USB...
Monday, 3 November 2014 - 11:18
Which AVR Micro Controller Should I use
I have a Industrial Project requirement to build up a device having functionality:     1. Dispense Liquid     2. Store Data (ID Number probably a...
Saturday, 11 October 2014 - 11:10
Plastic / Paper Token Verification
At Video Games parlor or many other outlets I see people dispensing Plastic token. These token can be inserted into a machine which does a specific functionality. How are the...
Monday, 29 September 2014 - 08:05
Electronic Water Dispenser
I am need to design a water dispensor which can detect amount of water dispatch. Say 100ml to 1-10lts. Also this dispenser would be placed in heat and dusted area.   What...
Friday, 26 September 2014 - 13:54

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