This post talks about Building an Auto Street Light Circuit using IC 741 and Transistor, as it turns ON at night and OFF at day. Furthermore, this circuit is simple and saves energy and it uses relay to control light, LDR to sense light, BC547 transistor drives relay and IC 741 works as a comparator. […]
Hobby Circuits
Simple Flame Sensor Circuit using Arduino
Flame sensor is very important for many uses like industry machines, safety check and fire alarm. So in this post for Simple Flame Sensor Circuit using Arduino shows how to connect flame sensor to Arduino to find fire; also this project is cheap and works well for real-life fire detection. Arduino Code: Code for Flame […]
Voltage Level Monitoring Circuit using IC LM339
Voltage Level Monitoring Circuit using IC LM339 very important in modern electronics, as it helps system work correct, so to see voltage in real time we need to use voltage level readout circuit. Also, this circuit uses LM339 comparator IC for accurate voltage check and stable reading. Main parts are LEDs that show voltage level […]
Battery Charger Circuit using IC TP5000
This Battery Charger Circuit using IC TP5000 charges lithium and LiFePO4 battery, also it uses TP5000 IC and this IC work as buck converter and gives fast charge with no over heat. Furthermore, circuit is small, simple and safe for battery. Circuit Working: Parts List: Components Values Quantity Resistors 1k 1/4 watt 1 0Ω 1/4 […]
Simple Arduino-Powered Running LED Circle Circuit
Making nice looking projects help learning and fun in electronics. Simple Arduino-Powered Running LED Circle Circuit is one easy project which uses Arduino to control LEDs in a circle. Also, this project is simple and it teaches coding, circuit making and LED control, here, a 10k pot changes LED speed and makes it fun to […]
Hysteresis in Schmitt Trigger Circuit using IC 555
Schmitt Trigger is special type of comparator, which gives stable switching even if input signal is noisy or slow. We can use a 555 timer IC as a Schmitt trigger and it is also used in many projects. Furthermore, a Schmitt trigger provides two types of output: normal (non-inverting) and inverted square waves. Next, we […]