In this post I have explained a simple 21 watt LED lamp circuit module which can be used as a direct replacement for a standard halogen lamp used in motorcycles headlamp. LED vs Halogen Lamp The proposed "halogen" LED lamp replacement module image can be seen below: Conventional filament type...
Formula for calculating R2 is: R2 = 0.7/LED current R2 = 0.7/2.5 = 0.3 ohms, wattage may be calculated as = 0.7 x 2.5 = 2 watts For an SMPS driver circuit pleaserefer to this article Current Controlled 100 watt LED Lamp complete schematic...
Circuit diagram using LEDs: Circuit diagram using Lamps: Parts: R1 1K5 1/4W Resistor R2 680R 1/4W Resistor (Optional, see text) C1 47µF 25V Electrolytic Capacitor D1 LED any type Q1 BC337 45V 800mA NPN Transistor P1 SPST Pushbutton LP1 Filament Lamp 12 or 24V (See text) ...
The Tai-Chi lamp and each diagram lamp respectively comprise a bottom plate, a support, a circuit board, an LED lamp, a lamp shade and a power controller. The Tai-Chi lamp shade is imprinted with Tai-Chi-pattern lines, and each diagram lamp shade is imprinted with respective diagram ...
CircuitdiagramusingLamps: Parts: R11K51/4WResistor R2680R1/4WResistor(Optional,seetext) C147µF25VElectrolyticCapacitor D1LEDanytype Q1BC33745V800mANPNTransistor P1SPSTPushbutton LP1FilamentLamp12or24V(Seetext) Comments: ThepurposeofthiscircuitwastocreatearinginwhichLEDsorLampsilluminatesequentially...
24W line lamp 适合于室内照明,如场所亮化,装饰照明,家居照明,广告灯牌等等用,主要包括线条灯的电气特性、光学特性、结构特性、产品认证、环保及可靠性要求。 1.产品外观图Product Appearance 2.产品装配及尺寸Assembly Drawing and Dimension 3.电气性能Electrical Performance ...
μF 25V Electrolytic Capacitor D1 LED any type Q1 BC337 45V 800mA NPN Transistor P1 SPST Pushbutton LP1 Filament Lamp 12 or 24V (See text)?Comments: The purpose of this circuit was to create a ring in which LEDs or Lamps illuminate sequentially. Its main feature is a high versatility...
LED Light Lamp PCB&PCBA Board China EMS SMT OEM ODM Manufacturer PCBA Projects Introduction ABIS CIRCUITS Company deliver services, not only products. We offer solutions, not only goods. From the PCB production, the components purchasing to the components assemble. Includes: ...
The present invention discloses an LED lamp, which includes an LED light source module including at least one group of LED light source components, and further includes three drive
A light-emitting diode (LED) lamp which can replace a typical fluorescent lamp is provided. The LED lamp comprises external connection pins connected to terminals of an electronic o