The last time I did any DIY electronics projects was rectifier units for portable radios so that one could save money for batteries early ”s. However, I will mention some links below, which hopefully will provide at least one answer for you .This project is designed using normally closed reed switches connected to doors and windows and additional passive infrared PIR motion sensors to detect movement of a burglar or an unwanted intruder in your home. This project is available at Arduino Based GSM Home Security System. Microcontroller Projects Locks Electronic Card Lock. Electronics Mini Projects Ideas for Engineering Students. This is a circuit which helps to check or test your electronic projects and also to charge the Mobile phone batteries. This is a simple a simple LED cube circuit designed without using microcontroller.. Microcontroller Based Mini Projects Ideas. This is a simple a simple LED cube circuit designed without using microcontroller. A calendar is a device that help individual, company etc. at all level to keep time, date, month, and year. A Microcontroller based electronic calendar is designed here..
Electronic projects without using microcontroller