1. knova

    Yet another Bunker Hill Security Light modification question

    In the same vein as this topic: https://forum.allaboutcircuits.com/threads/bunkerhill-security-light-modification.81163/ The newer 115 lumen version of this light does not use the same PCB as the previous versions. I am hoping someone can help me work through a way to disable the 'always on...
  2. ParkviewFarmer

    5W 12V Light Resistance Simulation For A 2024 Ram HD, Aftermarket Headlights

    Hey guys, getting ready to install some Morimotos in my buddy's 2500, he has a Canadian big horn (low beam DRL) with the halogen lights. Instead of running the fuse tap to make the LED DRL Strips work like suggested with the headlights, I'd like to go into ALFA (Aftermarket BCM Software) and...
  3. conandrum

    Device (triggered by a switch) remotely activates & deactivates a light?

    Hi all, hi Ya’akov. My previous (relay mute) project is running nicely for 4 months now. Time for a new BMW project. This time, I want to add extra LED lights in the trunk. I thought there could be an easier way, instead of tapping into the trunk lighting switch and pulling wires into the...
  4. PatteGris90

    Led boat lights

    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...
  5. memedin

    dry film pcb yellow light

    I print out a negative on acetate paper, I stick it on a copper plate with dry film, and I press it with an iron. While doing these operations, we have to be in the yellow light, what is the content of this yellow light?
  6. S

    LED Dimmer IC Recommendation?

    Hey everyone, I'm working on making a custom headlamp for myself and want to have dimming functionality without using a microcontroller. I came across the IC FM2819 (data sheet attached) which has the characteristics I'm looking for, but it isn't available for purchase on DigiKey, Mouser, or the...
  7. ChrisWhite85

    Solar LED Troubleshooting and Learning

    Hi all, I have a Solar LED Light that is not working, and I want to use this to get back into electronics a little. I'm a Control Systems designer, but this level of electrical work still creates a lot of confusion for me. So I am hoping to use this as a learning project. The board is a...
  8. eliasklk_04

    XML T6 LED DRIVER MODIFICATION

    Good night. I bought this flashlight for my bike: https://www.ebay.es/itm/Luces-Bicicleta-Luz-10000LM-Impermeable-3XT6-LED/292872854958?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649 But the light that comes out seems very little to me. I think it has more potential. Could I modify...
  9. Lambo Av

    2 Generators connected to bus. Maximum, minimum voltage across light, peak voltage, pulsation

    2 generators are connected to the bus below. Given V1 = 300V, 50Hz V2 = 400V, 60Hz When the switch is opened, calculate i) the maximum and minimum voltage across both light 1 and 2. ii) peak voltage across both lights iii) maximum number of light pulsation How do I solve the issue above? Any...
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