![]() ![]() Finally, a GPIO from the ESP8266 actuates a relay to send the door open and close commands. To sense if the motor was moving in the “open” or “close” direction, he used a pair of back-to-back opto-couplers in parallel with the motor terminals. He connected another pair of opto-couplers across the two end-limit switches which indicated when the door was fully open or closed, and shut off the motor supply. Finally, he needed a relay contact in parallel with the activation button to send commands remotely. For his add-on board to work, he needed to detect the direction in which the motor was turning, and detect the limit switches when the door reached end of travel in either direction. There are many micro-controller options available these days when you want to add IoT to a project, but decided to use the old faithful ESP8266 as the brains of his new controller. With help from the user manual diagrams and a bit of reverse-engineering, he was able to get a handle on how to plan out his add-on controller to interface with the old system. If it’s not going in the desired direction, press the button once again to stop the motor, and then press it a third time to reverse direction. The original door-closer logic was pretty straightforward. But luckily, the third time was the charm. Upgrading an old system is often a convoluted process of trial and error, and he had to discard a couple of prototype versions which didn’t pan out as planned. He wanted to retain the original physical button and RF remote control interfaces while adding a more modern wireless control accessible from his internet connected devices. Compare us.Built a custom controller for automating his garage doors. Together, all these aspects form the basis for one of the most secure and convenient door and gate openers worldwide. linked wireless products at in-house facilities.The technology is known exclusively to our engineers and we also produce all our bi the code generated at the push of a button changes each time, such that copying or decoding the signal becomes almost impossible. At the same time, it operates with a rolling code, i.e. linked wireless technology operates using 128-bit encryption, which is also used e.g.The differences here are great.Īpart from convenience, our primary focus is on security when developing our products. But it is also important to know how secure this convenience is. Convenience is something all wireless systems offer. It makes it easy and convenient to operate a wide range of electrical devices. Wireless technology is used for numerous applications worldwide. Our accessory products can be obtained from your specialist Marantec retailer.Īre the radio waves from my wireless system harmful to my health? If you are experiencing problems with the range, we recommend the use of an external rod antenna.: It significantly improves the range of the handheld transmitter and the opener. The lowest absorption occurs at the height of the A pillar, i.e. The thermal insulation glazing of your car may also influence the range. Keep a distance from these sources of interference, or ideally, ensure that they are nowhere near your opener. Wireless systems such as cordless phones, wireless audio transmission.cellphones, baby phones, switching power supplies.Other possible sources of interference which could limit the range include: Also ensure as much distance as possible from live wires and equipment such as lamps or machines. In order to achieve an optimal range for your wireless system and thus be able to operate your doors and gates from a greater distance, you should observe a few tips during installation: Avoid unnecessary metal shielding, such as cabinets or housings. Optimizing the range of the wireless system ![]()
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