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Your cart is empty.Otis
Reviewed in the United States on February 14, 2025
I bought these to use on a raspberry pi project, specifically since they could be negative triggered. Pi's can only drive 3.3V positive signal, but are able to pull low. This mode will require a pull-up resistor either via pi or external, otherwise the input floats too much. Relay operates fine, plenty of load capacity.
Kenny
Reviewed in the United States on September 8, 2024
I use these for my arduino automatic watering project. The relays are triggered and activate a little water pump that pumps water from a container into my plants.I like that these have high and low level trigger and both worked out of the box.If you plan to use these on higher voltage, just know that I don't think the 10amp rating is for inductive loads, but they work great for a 5-12 volt low amp pump.
Larry C.
Reviewed in the United States on September 5, 2024
I build and program a lot of little things for work. This was a Jeopardy buzzer set that works with a PowerPoint we use training. I needed a couple of more lights and these were perfect. You can see from the picture of the top that they are good for 10 amps across the board at any voltage. I am using them to source a couple of lights for more teams. If you look at the end pictures, one of them has DC+, DC- and Input, the other end pic shows the Normally Open, Common and Normally Closed contacts. It's perfect for what I need and an Arduino drives them very well and I really like the fact the jumper you see in the picture showing the top view, you can set them to trigger on a low signal or a high signal. Seems to be a quality little board.
bender
Reviewed in the United States on September 19, 2024
These 2-channel DC relay modules have proven to be an invaluable addition to my electronics projects. The inclusion of optocouplers provides an extra layer of electrical isolation, ensuring the safety of both the microcontroller or computer controlling the relay circuit and the devices being switched.The ability to trigger the relays using both high and low levels of DC voltage adds to their versatility. This flexibility allows me to seamlessly integrate them into various projects, regardless of the specific triggering requirements. I've successfully used these modules to control LED lights, electrical motors, and appliances with ease.The build quality of the modules is excellent, and they operate reliably and consistently. The compact design makes them easy to incorporate into different projects without taking up excessive space. The pricing is competitive, making them a great value for the quality and features they offer.If you're looking for a reliable and versatile way to control electrical devices from your microcontroller or computer, these optocoupler-isolated relay modules are highly recommended. They provide a safe and efficient solution for a wide range of projects, from simple home automation to more complex industrial applications.
Wills944
Reviewed in the United States on September 18, 2024
The boards operated as intended in 2 projects. The soldering appeared even and complete, the screw terminals all functioned properly and securely. So far performing great!
Customer
Reviewed in the United States on September 15, 2024
I paired this with a 5 volt DC remote control fob to work with store bought Halloween props. With this setup I am able to tap into the props own battery power, instead of feeding more batteries to a separate prop controller box. I do not enjoy being battery poor.I used the Normally Open(NO) connection and the high trigger voltage setting jumper since it was powered to the upper end of the threshold. I zip tied the remote receiver to the relay board and tied it into the Halloween props own battery power for a clean install. I will update after the test run before Halloween.https://www.amazon.com/dp/B0D25YNBF2?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1https://www.amazon.com/dp/B082VVPTN6?ref=ppx_yo2ov_dt_b_fed_asin_title
Cory V.
Reviewed in the United States on November 23, 2024
I ordered these to use on my various Raspberry Pi projects, and will need to order more soon, as they have worked really well in a few projects I will be making permanent. I love that they are optocoupler isolated, so I don't have to worry about frying my Raspberry Pi if I screw up wiring something. The relay acion is quick, and they have been very reliable this far. The build quality is great at this price point.
K. Beaudoin
Reviewed in the United States on October 7, 2024
I needed to control a higher load from my Arduino, and these are easy to use for that. Could you do it a different way? Sure, but the cost is low for these, so it's a quick way to do it.
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