![]() It takes a few seconds to turn on the Led Strip, but I guess that's better than burning relays. I bought new power supplies that had a NTC thermistor device in series with the AC line. The datasheet that I found is: ĮDIT 2: for future internet users, as described on the answers below, the issue was with the surge current. PS: By burning I mean that it just stops working.ĮDIT: The relay board is a cheap AliExpress 8-relay board. What could be causing it? How can I avoid more relays being burned? Is there a "diode" for AC that could stop it from burning? Do you see anything else besides the power supply that could be causing it? 1 Channel 5V/12V low trigger relay Module 0.75 FT232RL USB To Serial 2.7 (will not include in the Plug ) And old Power strip with some room inside DHT. I have already 7 or 8 burned relays from different LED strips. Connect the Arduino ground to the ground rail. Connect the power rail to the +12v connector of the LED strip (note that in this image the power wire is black to match the colors of the connectors on my LED strip). Connect the Drain legs to the Green, Red, and Blue connectors on the LED strip. It has 110 V AC input and is rated at 12 V DC, 20 A. The hardware of Tweet-a-PowerStrip contains Arduino as the main controller unit that interfaces with the relays and the Ethernet Shield to communicate with. Connect the Source legs to the ground rail. You have two outlets that are normally off, but get switched on when triggered, and one outlet that’s normally on but switches off when triggered. And some of the loads are higher than this power supply. This relay powers on and off an AC-DC power supply. This relay power strip from DLI is a great alternative to electrocution. I'm pointing at the power supply as the the guilty one here as I have hundred other loads that didn't burn. The other relays on the board are still operational. The relays usually stop working when turning on or off the relay. The current, in both cases, is below the rated 20 A of the power supply. ![]() Universal control voltage 3-60VDC or 12-120VAC connects to Arduino. ![]() It doesn't matter if it is a 1 m long LED strip or a 16 m long led strip. IOT Relay allows you to control an AC power outlet from a simple signal wire. The SRD-05VDC-SL-C relay has three high voltage terminals (NC, C, and NO) which connect to the device you want to control. It has 110 V AC input and is rated at 12 V DC, 20 A. ![]() This relay powers on and off an AC-DC power supply. ![]()
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