The 7-segment display is taped and set into the back of the 1/4″ pine with enough brightness to shine through the additional layer of veneer on top. The display is set to show one digit and then ...

Second Test: Digits Display . The following Arduino Sketch tests the four-digit, seven-segment LED display. Needless to say, the LED controller is 74HC595 with its LATCH_DIO wired to D4, CLK_DIO to D7 ...

Posted in Arduino Hacks, Lifehacks Tagged 7-segment display, arduino, Arduino Uno, dht22, freezer, freezer alarm, piezo speaker Posts navigation ← Older posts ...

The finished circuit can display numbers ranging from 0 through 1023, in connection with a 10K preset pot attached to the analog input A0 of the Arduino board. This 4 -digit 7-segment display section ...