Sound activated RF remote relay
I am to build a circuit that operates off some kind of sound input into a sound activated circuit, preferably some kind of voice operated […]
Home-Office-Automation
Audio Triggers a Relay Switch
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 […]
Door access controller with Biometrics
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 […]
Build RFID transmitter and receiver
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 […]
Binary ASK modem – Power line Modem
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 […]
Secure Entry Access Control – Smart Cards
I am working on an access system, multi-user code for entry to restricted areas. I designed one that uses purely hardware but its a bit […]
Lighting and Power control Automation
i am researching for a project for industrial automation . in this i am having one concept that is following below if any one of […]