
Syncing Oscilloscope To Interrupt Activity
Debugging interrupt service routines can be very tricky. It’s not like you can print out variables to the serial port as you might when debugging

Matrix keypad with 7 segment display (Arduino mini project)
3×4 Matrix keypad connected to an arduino. Displaying results of key pressed on a 7 segment led display via 74HC595 shift register which reduces the

Adafruit Wave Shield
Here is a shield for Arduino that makes adding quality sound to your products easy. It can play up to 22KHz, 12bit uncompressed audio files

LCD Button Shield V2 for Arduino by Sparkfun
The LCD Button Shield from Sparkfun Electronics provides a 16×2 LCD screens along with a keypad consisting of 5 keys — select, up, right, down

Adding Second Joystick to Joystick Shield for Arduino
Added a second joystick to the shield and use one for forward/back motion and the other for turning. I find this setup gives better control.

Wireless Arduino Thumb Joystick Shield
This shield provides the necessary connections between the joystick and the Arduino so that it can read the joysticks X, Y and Switch readings on

Multiplexing Seven Segment Displays
Video explaining what multiplexing is, why we do it and how it is done. Covers using the Arduino to handle the multiplexing and using a

Infra Red Remote Controller Shield
Made use of The Forge makerspace at North Branch library to construct my first Arduino Shield. This shield adds 7 Status LEDs, an Infra Red

8×16 LED matrix controlled by 2 MAX7219’s
Expanding on my experiment with the MAX7219 controlling an 8×8 LED Matrix I added a second one. Both of the 8×8 displays and controllers were
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