Randonnée à partir du hameau de Canaglia (Vivario) qui suit une bonne partie du GR20 le long de la rivière Manganellu, puis bifurque sur la gauche. Petit étang niché au creux d'un cirque, caseddu et casgili aux bergeries. 21 km pour 935m de dénivelé positif. Compter 3h30 - 4h00 pour la montée. |
Having gained some experience with my weather station project described in the APRS LoRa weather station article, and having a few LoRa RFM95W modules, I decided to carry out a feasibility test for a very low-power mini weather station. The initial results were very encouraging, so I continued my project until I had a mature design. |
Lilygo LoRa modules from Lilygo are advertised to provide a power output of +20dBm (100mW). I found that none of my modules reached the advertised power, which was more like +17dBm. |
Description of a versatile weather station. Features : - Built around a TTGO T3 LoRa 433 MHz module - Sensors for temperature, pressure, humidity, rainfall, wind speed and direction. - Protocols: APRS via LoRa, APRS-IS, MQTT and Wunderground via WiFi. - Wifi with DHCP or static address - OLED display with or without screensaver. - Password-protected OTA updates. - Web server with all datas. - LoRa fallback if WiFi or Internet fails - etc... |
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