** Node MCU four Relay Development Board WARNING!! You may be working with LIVE MAINS!! ** Source code will be provided. Here is an instructable Configuration Video Amazon echo/Alexa Board Spe...Read More…
** Source code will be provided.
Amazon echo/Alexa Board Specification
The kit includes
If you are considering buying this item, you probably already know all this but in the interest of your safety, we feel compelled to state all this clearly. So take a few minutes to read it carefully before buying.
AC mains are very dangerous -- Even a 50 V AC supply is more than enough to kill you. Please Switch off the mains before making or changing connections, be very very careful.Ifyour are not sure of anything related to the Ac supply linesplease call an electrician ask him to help you our with it . Do not attempt to interface to mains unless you have adequate training and access to appropriate safety equipment. Never work on high voltages when you are alone by yourself. Always ensure that you have a friend/partner who can see and hear you and who knows how to quickly turn off power in case of an accident. Usee a 1A Fuse in series with the input to the board as a saftey measure. Basic Wiring diagram is available on our instructables page and github .Please go through it
Fire Hazard: Making wrong connections, drawing more than rated power, contact with water or other conducting material, and other types of misuse/overuse/malfunction can all cause overheating and risk starting a fire. Test your circuit and the environment in which it is deployed thoroughly before leaving it switched on and unsupervised. Always follow all fire safety precautions.
Shipping: We generally use India registered Post Thank You Armtronix
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We are a small group of professionals geeks who like to develop easy simple boards to execute hobby and tinker-able projects. The group consists of both well experienced as well has young and dynamic people capable of handling projects from design to production. We have in our team multidisciplinary design engineers as well as professional production and quality control people.
We wish to make lucrative and easy to use products as well as provide product development services. With a well managed and small team like our we will be able to process and execute projects with ease and efficiency.