Bluetooth PWM Motor Controller Circuit

The post explains how to use Bluetooth technology for transmitting PWM wirelessly, the circuit application could be used for controlling various appliances such as motors, lights, RC gadgets etc using your Android phone. The Bluetooth PWM Transmitter In one of my earlier posts I explained how to hack and modify a Bluetooth headset for making … Read moreBluetooth PWM Motor Controller Circuit

Arduino IR Remote Control Circuit

In this post we are going to construct a customizable Arduino based IR (infrared) based wireless remote control switch, which consists of IR remote and a receiver, you may modify according to your needs. In the later part of the article we learn about an upgraded foolproof version of an IR remote control which will … Read moreArduino IR Remote Control Circuit

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

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