Electronic Door for Pets Circuit – Opens when Pet Nears the Door

The post explains a simple electronic door circuit for pets which can be used as an electronic dog door for allowing only your specific pet dog to use the entrance, while keeping it locked for “strangers”. The idea was requested by Mr. Dave Monette. Circuit Objectives It’s been a while since we talked. I just … Read moreElectronic Door for Pets Circuit – Opens when Pet Nears the Door

Laser Activated GSM Call Alert Security Circuit

In this post we discuss a simple laser GSM call alert security circuit which immediately calls the master as soon as an intruder is detected through a laser beam interruption. The idea was requested by Mr. Roldan. Circuit Objectives and Requirements I am so fond reading your articles about security system. I am not an … Read moreLaser Activated GSM Call Alert Security Circuit

Remote Controlled Submersible Pump Circuit

The article discusses a simple remote controlled submersible pump circuit which could be simply configured using any standard 2 channel 433MHz remote control modules. The idea was requested by Mr. James Smith Circuit Objectives and Requirements I have read a lot of your post and have successfully implemented them several times. Now I want a … Read moreRemote Controlled Submersible Pump Circuit

RC Helicopter Remote Control Circuit

The post discusses a simple RC helicopter remote control circuit using 433kHz RF modules, without any microcontroller or complex joystick implementations. The idea was requested by Mr. Jitendra. Circuit Objectives and Requirements I am making a large scale RC helicopter. In which I am using 4 motors. For 1st main 12v motor: the mechanism is … Read moreRC Helicopter Remote Control Circuit

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