This specific circuit has been made with Win bond’s ISD1616 IC (SMD) IC, that is certainly a purely integrated, single-chip, single message voice record and playback system essentially matched to […]
Simple Delay ON Timer Circuit using Two BC547 Tansistors
If you are looking for a delay ON timer circuit that may be really simple yet efficient, then this tiny design will help you achieve the requirement. Using only BJTs […]
Simple 5 LED Music Level Indicator using a single IC
In this post we learn how to make a decorative LED music level indicator or music activated LED lights using a single IC and we also learn the main datasheet […]
3 State Battery Charge Indicator Circuit
This posts tells you how to make a simple 3 state battery charge level indicator circuit 3 LEDs and a couple of opamps Circuit Description To find out the condition […]
Wireless Lamp using an RF Disturbance Circuit
In this post we learn how to illuminate a small DC lamp remotely through RF disturbances created by switching a battery, motor circuit some 4 meters away. This distance can […]
Vibration Activated Alarm Circuit
The noise or vibration activated alarm circuit displayed in this article makes use of its pre-installed loudspeaker like a microphone while it is within the sland- by-state. How the […]