NextPCB offers first 2-layer 100 X 100 mm PCB with 0$ : [ Ссылка ]
4-layer PCB - 12$ : [ Ссылка ]
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In this project, we will make a sensor monitoring system on Web Server using an ESP32 board & LoRa Module SX1278 or SX1276. The device will send temperature & humidity readings via LoRa radio to an ESP32 LoRa receiver. The receiver displays the latest sensor readings on a web server.
ESP32 LoRa Web Server monitors the sensor reading wirelessly from a few kilometer distances. The sender will read the humidity and temperature data using DHT11 Sensor. Then it transmits the data via LoRa Radio. The data is received by the receiver module which contains the OLED Display. The receiver has the capability of connecting the device to a WiFi network. The OLED will display the IP Address. Using the IP address, you can log into any web browser where the sensor reading is monitored.
Source Code/Program Circuit & Files Link: [ Ссылка ]
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