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5V to 12V DC
a straightforward and effective way to add FM radio reception
Uses the "R3 layout" I2C and ICSP/SPI ports so it is compatible with a wide variety of Arduinos and Arduino-compatibles
Model JSN-SR04T 2
Is this good for decorative builds
CD74HC4067 16-Channel Mux Breakout for Arduino 7.4v 5V to 12V DCIf you are running out of digital pins to control a 16 channel relay on your Arduino Uno? One thing comes in mind to upgrade to an Arduino Mega. But no, that's not the only workaround available. You could use a demultiplexer to increase the number of pins you can control or access by addressing them. This module uses a CD74HC4067, a multiplexer demultiplexer IC that can connect 16 other components using just 6 pins from Arduino. It can be as
