Electronic Circuit Design

message: Hello there i am just wondering how i would go about trying to get a circuit designed? The situation i have is i have got a sound signal peak voltage at approx 0.3v. I require this to trigger a switching device such as a relay. There is a 12… more »

I am trying to design a 4 door access controller. I have a complete working board of fingerprint scanner with DSP for fingerprint verification and authentication. I wish to design a microcontroller board which will communicate with this board to trigger… more »

Guide on how to build my own RFID transmitter and receiver? Post by C1 You will find them here ...some entities misuse this technology, hence people have become less interested in this as it is invasive. Properly used this technology is an asset,… more »

Want hlp in dsigning of a binary ASK modem or Power Line Modem. I have a project of designing a binary ASK modem, with a microphone as an input and a speaker as an output. Mail from AM UK Study these links .... Amplitude-shift keying (ASK)… more »