rabbitcreek shared this lunar light tide clock, based on Luke Miller’s Simple Tide Clock, on Instructables. The build features 3D printed moon and enclosure, NeoPixels, an AT24C32 IIC RTC and an ESP32 CP2104 WiFi Bluetooth Module. My favorite part of the build is the ability to have the NeoPixels display different colors on special days.
The design is based on a ESP32 microcontroller attached to a real time clock with battery back-up running a tide program that allows it to output a light based corona that designates high and low tide. The microcontroller will run the tide script endlessly as long as it has power, requiring no internet connection for its calculations.
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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