Principal crítica positiva para Módulo de relé em Banggood Portugal|Fazer compras Portugal

30% OFF Módulo de relé BESTEP 16 canais 5V LM2596 com proteção optoacoplador e gatilho de nível baixo para Auduino 12,91€ 18,44€ View It

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raivoleini 07/03/2019

nice pcb and layout, but schematic is strange. if you want to use it without overstressing relays, the input power must be somewhere 5,8V ,as relays are 5V and 2803 chip has ca 0,8V voltage drop.

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Banggood Dear raivoleini,Thank you for choosing Banggood and sorry for the inconvenience caused.Banggood welcome any of your suggestions, now and in the future. We want you to make the most out of our products and services, and make sure that you are always satisfied. If you have any questions or suggestions, please do not hesitate to contact us via these links: Personal Computer: http://www.banggood.com/Contact-Us_hi111Mobile: https://m.banggood.com/contact_us.htmlBest regards,Banggood Team
24/05/2024

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