This NiMH Battery Charger Circuit is like special water can for NiMH batteries which are the same batteries inside camera, toy and other devices. Normal charger maybe not be so good for these batteries but this NiMH charger circuit give just right power and make battery work good and last long time. Circuit Working: Parts […]
Simple Vibration Sensor Circuit
Simple Vibration Sensor Circuit is like small touchy friend for electronics. It is felt when we shake or quick move happen and then it sends the electric signal. This is good for use in thief alarm to feel someone come in or for earthquake to feel ground move. Also we can use it in factory […]
Simple Rain Sound Effect Generator Circuit
This small and Simple Rain Sound Effect Generator Circuit it like a rain sound maker in box. It uses electric parts to make sound and almost same like real rain drop. This soft sound are good for many things like background music or sleep timer or help us in dreaming. So next time if we […]
Simple Adjustable Zener Diode Circuit
Think like small switch which controls how much voltage go through. Normal Zener diode is like one fixed switch which let electricity pass only when voltage goes above certain level. But this Simple Adjustable Zener Diode Circuit is like fancy dimmer switch. We can change voltage level using some parts like mostly one thing called […]
Outdoor Garden Solar Lights Circuit
Imagine small suns making light in our garden at night. This Outdoor Garden Solar Lights Circuit works like small power house for our garden flowers. In daytime solar panel take sun energy and put it in battery. Then night time come smart circuit take that energy and make LED light ON so our garden stay […]
Electronic Gatekeeper Circuit
This small and Electronic Gatekeeper Circuit work like little guard for our door. It uses sensor to check if someone comes or goes from gate. Sensor can be like light beam or something we can step on. If person goes through without permission then circuit make alarm or send message to tell us. So we […]