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Normally, the “PCB surface finish” means the coating applied on a bare PCB, to protect the copper, which is the main material of electronic circuit/wires, from corrosion, besides, the “surface finish” need to ensure that the electronic components can be easily and firmly soldered onto pads.

In this project we will be interfacing DS18B20 Temperature Sensor with ESP32 using MicroPython Code. We will use DS18B20 1-Wire Waterproof Temperature Sensor and MakePython ESP32.

In this project, we will learn how to build an IoT Lora Smart Agriculture & Remote Monitoring System, we will use the LoRa soil moisture sensor and Maduino Lora module.

In this guide, you will learn how to Interfacing 0.96 Inch OLED Display or 1.3" OLED Display with ESP32 using MicroPython Code. We will use SSD1306 or SSD1315 I2C OLED Display with MakePython ESP32.

Lora Network and Gateway have been popular used in wireless application, this article will talk about some typical applications and related Lora solutions.