Tell us about yourself!
Anything between 300 to 500 Ohm is used for the signal to the Neopixel ring.
I will have a look and let you know. Sorry for the ambiguity.
Getting Started With Electronics
Yes! It is possible. You would simply enter an if statement that checks for the mod 1 of hour = 0 and minutes = 0 and seconds = 0. Then it will recognise a new hour. All the best.
Raspberry Pi Class
LEDs and Lighting Class
Plot Clock for dummies.
3D painting: Layered Resin and Acrylic Paint
A solar tracking automatic motorized window blind retrofit using Arduino
Friction drive build for bikes
Automated Dog Feeder
Build a HK X650F quadcopter for GoPro style video and photography
Arduino Nixie GPS Clock
Space Invaders Desktop Clock
Handgesture controlled robot with robotic arm
How to run a brushless motor ESC with Arduino
A Cool Way to Decorate Your Old Duds with Bleach
Self Sufficient Arduino Board
Talking Arduino Clock
Controlling solenoids with arduino
Simple Dual Axis Solar Tracker
Human Powered Phone charger
Arduino Control via a Web Service with Teleduino
Arduino Tutorial - Numeric Keypads
Access control with Arduino + Keypad 4x4 + Servo (UPDATE)