While doing a project on GSM based energy meter billing system, Students came up with a requirement that the system should be able to detect... Continue reading
Looking for purchasing a RFID reader/writer for using in your project? Here is a compiled list of cheap low cost LF and HF RFID readers... Continue reading
SIM300 GSM modem operates at voltages from 3.6V to 4.5V. Most of the microcontrollers we use operate on +5V power supply and hence the IO... Continue reading
This article describes the use of audio recorder/playback IC's APR9600/APR33A3 for playing recorded sound during a call. The call is made using a SIM300/SIM900 GSM... Continue reading
Adding audio playback to a microcontroller circuit can be accomplished using either of two options, Option #1 is a low cost, low audio quality option... Continue reading
If you are looking at options for using an cheap/low cost, long range RF module for purchase in India, then here is one RF transciever... Continue reading
If you are an B.E Electronics and communication(E&C) engineer, here are a few career options you can look at after you complete your engineering. This... Continue reading