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Tags for this Thread eisaenergy code requirementenergystarqlptitle Someone evaluated the same model Greenlite integral-ballast LED lamp in this video.

The variable resistor dynamically changes to adjust current while flaring off energy in the package. These seem to correlate. For this, you can press s.

(PDF) SM2082D Datasheet download

The configuration process will be almost identical to the process laid out in the Particle CLI command particle serial wifi. The LEDs are arranged datasyeet have a voltage drop of about V.

You can not tell the two apart without breaking them open. You will also need to download and install the Particle driver. It looks like you have provided some misleading information. This power dissipation we are not concerned with except as it increases the ambient temperature of the regulator chip. For a better illustrated version of these instructions, check out steps of Jon Gallant’s tutorial. Two different date codes of these lamps were energized simultaneously and they have a dramatically different dimming curve which means they dim totally differently alongside on the same dimmer because they have different integral ballasts.


In the datasheet there appears to be an 0. The datasheet specifies 1. I don’t have time to edit it shorter. This doesn’t look at all like a simple series resistor or even a simple linear regulator to me. To use these, you can download dfu-util via the above link, then go to the command line and run dfu-util with one of the following commands.

You can even add Wi-Fi credentials with this method.

Troubleshooting Tools Here are some tools to help you as you datasheeh your Photon. Also use a scope to analyze circuit operation. A list of DFU commands is below. I’m with Electric-Light on this one.

With linear ballast, when line voltage goes up: For debugging purposes, sometimes it helps to get a dump of all the system information. The key for Wi-Fi configuration is w.

Now you are ready to type some commands to get info about your device. Still less than what the Datassheet are dissipating, but a very significant change, and one that needs to be understood by proper testing. This is not like PWM dimming of a resistive load like an incandescent lamp. First question is can I physically build the circuit mechanical mounting to dissipate 1.

Some Chinese designed LEDs are now using resistive series ballast – Page 2

datasheeet I think it’s a concern that a product that has gone through a cost reduction engineering change so drastic that the there’s nothing in common between the two products and they’re still allowed to bear the Energy Star logo under the same model number.

This is the linear ballast type LED driver I was talking about the whole time. The circuit is moderately below the the maximum current rating and thus this is not a major concern.


Put the LEDs and the regulator on the same heat sink, and it just runs a bit warmer. After this, you should install Zadig. Some Chinese designed LEDs are now using resistive series ballast. Occasionally, though, Particle Support might ask you for it. Results 11 to 20 of This means users closer to substation would chronically experience higher power consumption from these lamps as well as accelerated wear. Once that is done, put your Photon in DFU mode. The increase in power is increase in ballast power dissipation which increases temperature.

Plug your device into your computer over USB. We don’t recommend using these commands unless you’re very comfortable with the platform or unless you’ve been instructed to do so by Particle Support or an Elite community member. You can unzip these files using a utility like 7-zip.

PDF I believe the power that would be lost by a linear regulator would make it impossible to use a linear regulator or series resistor for anything over a few watts without including a heavy, bulky transformer. It gets even worse when you make a realistic assumption that a bulb might work at to V. The output will be a big confusing mess, which is why most of the time you won’t need to use it.

In post 11 you showed a circuit that could imply a true linear regulator, but the capacitor implies an RC time constant of possibly 2.