Arduino has shrunk the UNO R4 with the Arduino Nano R4 board equipped with the same 48 MHz Renesas RA4M1 32-bit Arm ...

Maker LED display also has Wi-Fi so it can connect to the internet to retrieve and display information. Choose between 32 x 9 pixels or 64 x 9 pixels versions and choose an LED color: white, blue ...

Most of us have an 8x8 LED matrix from one of our Arduino kits. What can we do with them? This module investigates how to use these interesting devices. Along the way, we describe a fun electronics ...

A small project to scroll messages from a MariaDB/MySQL database on a server to the LED Matrix on the Arduino UNO R4 Wifi, like the one I have and as shown below in the picture. The code should be ...

Selain itu, penetapan pin ditentukan menggunakan CLK_PIN untuk clock, DATA_PIN untuk data, dan CS_PIN untuk pemilihan chip. Penugasan ini menentukan pin pada papan Arduino yang akan digunakan untuk ...

Our project is infact an Arduino with Serially Interfaced MAX7219 Operates an 8X8 LED Matrix to display a heart pattern. The MAX7219 IC is a serial input/output common-cathode display driver that ...

Posted in Arduino Hacks, LED Hacks Tagged 74138, arduino, class, decoder, frame buffer, game, led, LEDs. tetris, matrix, microcontroller, multiplexer, persistence of vision, POV, project, refresh ...

[Kathy] originally tried a CdS photoresistor, but found it was a bit too slow for matrix scanning. An LM358 op-amp is used to get the signal up to a reasonable level for an Arduino Uno to detect.