With the basic hardware for a color changing LCD clock together, the rest of the project was just a matter of software. Moving the Pi and its 5 V pins into the clock itself also allowed to drop the voltage regulator required previously. His earlier version used an external Pi B connected to the clock via CAT5, so getting it all integrated into the one device is a huge improvement, especially when little kids are involved. This meant would just need to swap out the stock lighting module for a controllable RGB LED, and the hardware modifications would essentially be complete.Įven the Pi Zero fits perfectly inside the case of the clock, the only modification necessary was cutting a little hole in the back for the Pi’s micro USB port. For $10 he got a kid-friendly looking clock that utilized a simple projector to backlight the LCD display. The project was made infinitely easier by a lucky find at a local retailer. reasoned that even if they couldn’t read the numbers on the clock yet, if he had the display change colors to indicate different periods of the day (sleep, play, cleanup, etc), it would not only keep them on schedule, but reinforce the meaning of the numbers on the screen. Colors and shapes come fairly easy to children of this age, but time and how it relates to the day is a bit more difficult for them especially as their comprehension of numbers is still developing. He mentions the next revision of the project will focus on Google Home integration, which should be interesting to see.Īs a father of two pre-school age children, he was looking for a way to help his kids understand the concept of time and scheduled activities. This is his second version of the hardware which makes some pretty big improvements over the original, including moving from the Pi B to the Pi Zero and an internal simplification of the wiring. The simpler clocks on this list are ideal for toddlers, while the more complex ones are designed to grow with your child.Hackaday reader dropped by the tip line recently to let us know about the latest version of his color-changing LCD clock project. Some of these sleep-training clocks are fancier than others the top-tier ones connect to your phones via corresponding apps, so you can track bedtimes and even tell your kids it’s time to put away the Legos. Some of our favorites allow you to set specific alarms for specific days depending on your or your child’s schedule. Colors that signify when it’s time to go to bed and time to wake up are also must-have features. When selecting a sleep-training clock, pick one that’s child-friendly, cute, and easy to read (translation: the numbers are big and bright). The next morning, its familiar glow helps keep them in bed until a reasonable hour, which, to a REM-deprived parent, is an inestimable benefit worth just about any price (but trust us, they’re not that expensive relative to their reward). These kids’ alarm clocks or OK to wake clocks provide a reassuring nightlight that helps toddlers fall asleep faster and sleep deeper. Every parent can struggle in establishing a sleep routine for his child, but the best sleep-training clocks can make this seemingly Sisyphean task easier.
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