Taste The Code How to Connect Modbus RS485 Wind Speed Sensor to Arduino Posted: May 12, 2025 | Last updated: May 12, 2025 Hi, I'm Bill. I'm a software developer with a passion for making and ...

After learning how to use sim800l module in my previous project, I decided to create a GPS tracker using the Arduino platform. This project combines a SIM800L module for communication and a Ublox ...

4 and 19 pins are used to adjust the display contrast through a resistor. I use a 1 Mega Ohm variable resistor. Acceptable contrast ~270kOm.