This tutorial shows how to make a simple digital real time clock using ESP8266 NodeMCU board and DS3231 RTC module where time & date can be set with two push buttons connected to the NodeMCU and they are printed on […]
ESP8266 NodeMCU with DS3231 RTC and Nokia 5110 LCD Read More >>
This post shows how to control unipolar stepper motor using ESP8266 NodeMCU board (ESP-12E) and rotary encoder module. The stepper motor used in this example is 28BYJ-48 (5V unipolar stepper motor) which usually comes with its driver board (equipped with ULN2003
This tutorial shows how to implement a simple temperature measurement station using ESP8266 NodeMCU board and DS18B20 digital temperature sensor. The NodeMCU microcontroller (ESP8266EX) reads temperature value from the DS18B20 sensor and prints it (in °C) on Nokia 5110 LCD
NodeMCU with DS18B20 Temperature Sensor and Nokia 5110 LCD Read More >>
This tutorial shows how to interface ESP8266 NodeMCU (ESP-12E) board with ST7789 TFT display. The ST7789 TFT module contains a display controller with the same name: ST7789. It’s a color display that uses SPI interface protocol and requires 3, 4
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This NodeMCU project shows how to interface this board with DHT22 (AM2302) digital humidity & temperature sensor and Nokia 5110 LCD (84×48 pixel resolution). The NodeMCU microcontroller (ESP8266EX) reads temperature & humidity values from the DHT22 (AM2302) sensor and prints
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This Simple Projects post shows how to interface ESP8266 NodeMCU development board (ESP-12E) with DHT11 digital humidity & temperature sensor and Nokia 5110 LCD. The NodeMCU reads temperature and relative humidity values from the DHT11 (RHT01) sensor and prints them
ESP8266 NodeMCU with Nokia 5110 LCD and DHT11 Sensor Read More >>
This post shows how to interface Arduino uno board with Seeed Studio Grove DHT11 sensor and 4-digit display. The Arduino reads temperature & humidity values from the DHT11 sensor and print them on 4-digit 7-segment display which is also provided
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This Arduino project shows how to control DC motor speed using full wave controlled rectifier. The speed of the DC motor is controlled using a potentiometer (connected to the Arduino board) by varying the value of the firing angle ‘alpha’
In the last project I made a half wave controlled rectifier using Arduino UNO board and one thyristor (also called SCR). This topic shows how to build a full wave controlled bridge rectifier using Arduino uno, 2 thyristors and 2
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This post shows how to build a half wave controlled rectifier using Arduino uno board and one thyristor (SCR). No warranty is provided with this project, do it at your own risk! SCR: Silicon Controlled Rectifier. The SCR (thyristor) is
220V Half Wave Controlled Rectifier with Arduino Read More >>