USB Lamp Circuit for Portable Lighting is good for portable light. It is easy to use and takes power from USB port of 5V. It have rechargeable battery which are more useful. USB port give only 100 mA so use LEDs less. Circuit have transistor, diodes, capacitor, resistors, LEDs for good light. Circuit Working: Parts […]
LED and Lamps
Home » LED and Lamps »
Simple Mains Powered LED Light Circuit
Simple Mains Powered LED Light Circuit runs on 230V AC mains. It uses capacitor dropper to limit the current. LEDs in series-parallel are cheap and easy for mains lighting. They are with bright white light and no big transformer. It is good for low power light needs. Circuit Working: Parts List: Component Type Value/Specification Quantity […]
Simple Time Delay LED Circuit using Transistor
This article is about Simple Time Delay LED Circuit using Transistor where the LED lit after a short wait. The circuit needs transistor, capacitor and few resistors for delay. It is good for power light, warning light and timing project. It work with 10V DC and fits many electronics. Circuit Working: Parts List: Component Specification […]
Battery Operated Automatic Emergency Light Circuit
Automatic emergency light use battery and give light when power is gone. Lamp turns ON itself when main power fails and is good for home, office or anywhere which need extra light. It is best to use 6V lead acid battery or 5×1.2V NiCd cells. The design for Battery Operated Automatic Emergency Light Circuit is […]
Simple Relay Based Lamp Flasher Circuit
Simple Relay Based Lamp Flasher Circuit is good for indicators, warning lights and in anything that need attention. Circuit uses relay, resistor, capacitor to blink light and does not need any complex parts. It runs on 12V and is easy for beginners to learn electronics. Circuit Working: Parts List: Component Specification Quantity Resistor 220Ω 1W […]
Simple 12V Lamp Flasher Circuit using IC LM317
This Simple 12V Lamp Flasher Circuit using IC LM317 is a cool project to make 12V lamp blink. This circuit is not only for indicator or warning light but also for car or decoration light. IC LM317 usually controls the voltage but here it work like oscillator for blink. It can handle 1A, so lamp […]