1.You can contact the customer service. for any question regarding the product.
2.Ask the question in English to get answer faster.
3.Keep your question short and to the point.
Ordainketa Segurua Bermaturik
A part of the review has been auto-translated.
high quality relay I use it to turn on and off my 3d printer using Octoprint on a OrangePi zero. works flawless even with 5v GPIO output.....
They are great quality for the price. Test them with uno board and they work nicely.
Tips:For questions about your order, place of delivery, product discount, taxation, delivery time, warranty, shipping, payment, exchange rate, and other questions unrelated to the product, please contact customer service.
A part of the QA has been auto-translated.