lamp

Hi all, I am trying to build some underwater lights for my boat. I am using 10 pcs of 3W RGB 6 pin leds in series and i have tested the output. I am currently using a constant current constant voltage driver. I would like to make a pcb capeable of driving the 10 leds and controling them with...

Hi, I would ask the software part of an home automation hub or gateway or controller. Most of them are based on SoC with build in RF transceiver or connect to an MCU with RF transceiver, as OS: small memory footprint Linux. My question is about the program/applications parts, how is that build...

Hey! I have a lamp which is powered by a 5V power supply and I want to upgrade it by powering it with a battery pack. The issue is I want to use the lamp while charging its batteries but as I know charging and draining at one time is impossible so I searched for simple switching circuit but I...

Hello, I’m brand new to this so please forgive me. With plenty of time now on my hands I have decided to fix a lamp that’s been sitting around. The switch is broken so I bought a new one that illuminated because... why not. It works but is about two millimetres too long and probably a mm...

I have a question about LED lamp: Quantum Board It has 16 strings of LEDs connected in parallel. Each string consist of 18 LEDs connected in serial. It's supplied with constant current source (with max current 2800mA, what is much more than safe current for single LED/led string). I know...