Want to show QR code on OLED Display using Arduino or NodeMCU? In this tutorial, we will learn how to generate QR code in Arduino and show on OLED Display.
Display QR code on OLED using Arduino or ESP8266 Read More »
As we know, NodeMCU is an open-source IoT platform for Lua based firmware developed for ESP8266. Espressif Systems developed this amazing board. Usually, NodeMCU comes with an inbuilt Lua interpreter, but the preferred way is to program NodeMCU ESP8266 with Arduino IDE. NodeMCU is one of the most widely used development. What is NodeMCU? As discussed earlier, NodeMCU is an
Program NodeMCU ESP8266 with Arduino IDE in 5 easy steps Read More »
Previously, we have studied to interface fingerprint scanner with NodeMCU. We have also studied that, we can interface I2C OLED display with NodeMCU with less GPIO pins. Today, we will combine those both tutorials to build IoT based home security with fingerprint authentication. Let’s start with project requirements. Component List: NodeMCU OLED Display (SSD1306) Fingerprint
IoT based home security with fingerprint authentication Read More »
We have seen that we can interface a fingerprint scanner with NodeMCU is this post. Now, in this post, we will interface I2C OLED display with NodeMCU. This OLED display module is SSD1306. The resolution of the SSD1306 OLED display is 128 x 64. You can find the basics of OLED display here. SSD1306 OLED Display This OLED
How to interface I2C OLED display SSD 1306 with NodeMCU Read More »
The fingerprint scanner is one of the essential components in the security system. By adding a fingerprint scanner in your project, can elevate the project to the next level. Previously, a very less amount of modules were available for capturing the fingerprint. Nowadays, different modules of fingerprint scanners are available. In this tutorial, I will
Interface fingerprint scanner (GT511C3) with NodeMCU Read More »
