I bought a 90-W equivalent LED floodlight at Home Depot several years ago. It’s obsolete now, but was state-of-the-art when I purchased it. My first abuse was to drop it, which cracked the glass ...

On the DC side (Figure 13), U1 and Q1 control the LED brightness using pulse-width modulation to attain a constant current. Inductor L1 and capacitor C3 store energy during an off cycle. Figure 13 The ...

An LED-driver reference design for an LED replacement of 100W incandescent bulbs has been introduced by Power Integrations, writes Richard WIlson. Dubbed DER-322, the circuit is desigend to fit neat ...

Fig. 3. Application circuit for iW3626 employs transformer that enables non-isolated design. As shown in Fig. 3, its features include:. All-in-one non-dimmable low-cost off-line LED driver ...

Figure 2 Not surprisingly for a 7W light, the bulb uses seven 1W LEDs. The gray pad serves as a thermal conductor between the PCB and the heat sink. Figure 3 The dimly visible dark specks are the tiny ...

Trendnet's TWC-L10 Indoor HD Wi-Fi Light Bulb Surveillance Camera is worth your money if you want a two-in-one smart device to illuminate and monitor what's happening in a room from above. The TWC ...