Copper foil is cutted with a plotter and transferred to the glass objects. You could use any sort of glass (picture frame glass, glass cabinet door or any window).The electronic parts must be soldered. It`s not so difficult as it`s look like.
A microcontroller lets the pumpkin blink. I have used the Attiny85, because it is small and suitable for many projects.
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Python for Microcontrollers – Adafruit Daily — Python on Microcontrollers Newsletter: A New Arduino MicroPython Package Manager, How-Tos and Much More! #CircuitPython #Python #micropython @ThePSF @Raspberry_Pi
EYE on NPI – Adafruit Daily — EYE on NPI Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey