To begin with, this IC LM35 Temperature Indicator Circuit is small and easy circuit, which uses LM35 chip to check temperature. Also, there are no need of many parts and no need of difficult microcontroller, LED light turn ON when it become too hot or too cold which depend on how we set it. Hence, […]
Simple Soil Dryness Detector Circuit
Like humans, plants also need water to stay strong and healthy! however, sometimes it is a little hard to know when plants need water. In this article, we show how to make a Simple Soil Dryness Detector Circuit, so it can sense soil moisture. When the soil becomes dry and plants need water, this device […]
Simple Adjustable Power Supply Circuit
Many electronic things need clean DC power to work good and through this post we will show how to make one easy Simple Adjustable Power Supply Circuit. The circuit changes dirty DC power to clean power and it uses one chip called LM338, the circuit take DC from 5 to 34 volt and gives clean […]
Simple MIC Preamplifier Circuit
This is small and simple MIC preamplifier circuit using op-amp IC LM358 and it uses op-amp to make weak sound from MIC more strong, so it boosts low audio signal into stronger one. Also, the circuit is good to record voice or connect to speaker and it is easy to make with not many parts. […]
Simple Wireless Power Transmission Circuit
Wireless power is not new idea, but long time ago even Nikola Tesla tried this! Now, many things like phone, toothbrush and some medical stuff charge without wire, but still we can make it better. In this post, we will show how to make a easy Simple Wireless Power Transmission Circuit with transmitter and receiver […]
Wireless LED Light Circuit
Nowadays, there are wireless charging inside many things like phone and even big medical machines. So, in this article we will show how to make Wireless LED Light Circuit which light using one small chip called IC 555, also no wire needed, the LED will light up to show how wireless charging works. What is […]





