This Arduino project shows how to build a digital voltmeter which can measure up to 600V. This voltmeter can measure AC and DC voltages with automatic switching between the 2 signals, it also can automatically switch between measuring ranges (autoranging). […]
Arduino Based Autoranging AC-DC Voltmeter with TRMS Read More >>
This project shows how to interface ESP8266 NodeMCU board with ST7789 SPI TFT display and DHT22 (AM2302 – RHT03) digital humidity & temperature sensor. The values of temperature and relative humidity are printed on the ST7789 TFT display respectively in
Interfacing NodeMCU with ST7789 TFT and DHT22 Sensor Read More >>
This post shows how to interface ESP8266 NodeMCU board (ESP-12E) with DHT11 (RHT01) digital humidity and temperature sensor. The NodeMCU reads temperature & humidity values from the DHT11 sensor and print their values (respectively in °C and RH%) on ST7789
ESP8266 NodeMCU Interface with ST7789 TFT and DHT11 Sensor Read More >>
This tutorial shows how to make a digital real time clock using ESP8266 NodeMCU board (ESP-12E) and DS3231 RTC module where time & date can be set with two push buttons connected to the NodeMCU and they are printed (with
This tutorial shows how to build a simple real time clock & calendar (RTCC) using the ESP8266 NodeMCU board and DS1307 RTC integrated circuit where time and date are printed on ST7789 TFT display module. The ST7789 TFT module contains
Real Time Clock with NodeMCU, ST7789 TFT and DS1307 RTC Read More >>
This post shows how to interface ESP8266 NodeMCU board (ESP-12E) with DS1631 digital temperature sensor where temperature values (in degrees Celsius and degrees Fahrenheit) are printed on 1602 LCD screen. The 1602 LCD used in this project is connected to
Interfacing NodeMCU with DS1631 Sensor and I2C LCD Read More >>
This project shows how to interface ESP8266 NodeMCU board (ESP-12E) with DS1621 digital temperature sensor where temperature values (in degrees Celsius and degrees Fahrenheit) are printed on 1602 LCD screen. The 1602 LCD used in this project is connected to
NodeMCU with I2C LCD and DS1621 Temperature Sensor Read More >>
This project shows how to build a capacitance meter based on Arduino board where the value of capacitor capacitance is displayed on 16×2 LCD screen and on the laptop through serial monitor software (for example Arduino IDE serial monitor). Working
This post shows how to build a simple auto-ranging ohmmeter using Arduino uno board where resistor value (resistance) is displayed on 16×2 LCD screen and on the laptop through serial monitor software (for example Arduino IDE serial monitor). Working Principle:
This Arduino project shows how to build a simple temperature measurement station with DS1631 digital temperature sensor where temperature values (in degrees Celsius and degrees Fahrenheit) are printed on 1602 LCD screen. About the DS1631 Temperature Sensor (from datasheet): The