This project uses an ESP8266 NodeMCU to create a 12-hour format NTP clock with AM/PM, date, and day of the week, displayed on a 16x2 I2C LCD. The clock synchronizes time via the NTP (Network Time ...

The past month or so I’ve been playing with the Maxim DS1307 Real-Time-Clock and DS1621 Temperature Sensor ICs. I hooked them up to an Arduino Uno board with a Parallax Serial 16×2 Character LCD. I ...

Connect the I2C LCD to the Arduino Uno (VCC, GND, SDA, SCL). Use an I2C scanner sketch to confirm your LCD address (0x27, 0x3F, etc.). You can find I2C scanner codes online. After sending the request, ...