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  • 11/05/2018

    The 2 modules come completely assembled. I have opened them and carry everything. The battery, the antennas, 2 usb cables ... I was surprised by the range, as expected. Several kilometers. I do not understand that the batteries are always connected, without a switch, the device works until the battery runs out. You charge them and lasts a little while. They work right out of the box after charging the batteries a little bit. To use them seriously, use the Lora.h library from https://github.com/sandeepmistry/arduino-LoRa and the code from the following link: https://hackaday.io/project/27791-esp32-lora-oled-module. Also the examples from the Lora library.

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  • 02/01/2020

    I'm so very glad to own these. They came exactly as described and work great. I only wish I had more money for treats like this. Keep up the good work banggood and TTGO.

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  • 21/12/2020

    ordered on December 12th. on December 21th. delivered very fast delivery. Everything ok, great

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  • 10/12/2020

    build as ordered. Have battery inside. Delivery in 1.5 weeks.

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  • 09/04/2018

    Received the package. It comes in a carton box. Put on the antenna's. Powered on both deviced on USB power supply. One is preprogrammed to send packages. The other is preprogrammed to receive packages. When I unplugged the power on the sender, it kept sending. Ditto for receiver: on unplug it kept on receiving. I cannot yet say much about how long the batteries will last. So far it looks OK.

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  • 28/06/2018

    Bonjour, Contrairement au message précédent, les 6 pièces fonctionnent correctement. Par contre, les câbles USB sont bien défectueux, la prise est trop courte pour 4 d'entre eux comme indiqué sur la photo du message précédent. Merci de m'envoyer 4 câbles USB corrects.

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  • 13/07/2018

    Los aparatos vienen en modo demo, uno envía y el otro recive de forma constante para comprobar el funcionamiento tras conectarles los cables USB. Buena comprar para empezar a experimentar y aprender un poco de este protocolo.

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  • 05/03/2019

    The product is as described. They work right out of the box. Used them to test LoRa for range. Got around 3KM on a clear line of sight.

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  • 27/05/2020

    Good working device. Only tested with sample application.

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  • 04/04/2020

    Very good for my gate project

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