June 18, 2024


Super Technology

A 3d printed ghost next to the base of an LED tea light that has 4 LEDs poking out and the IR receiver port and micro-USB connector showing.

A Cold Light To Warm Your Heart

Halloween is coming rapid and what greater way to incorporate to your Halloween ornamentation than [Wagiminator]’s lovable NeoCandle tea gentle simulator.

[Wagiminator] has modified a 3D printed ghost alongside with extending [Mark Sherman]’s gentle simulation code to create a lovable light that is fantastic for the holiday time. The NeoCandle uses an ATtiny85 chip to power four WS2812 NeoPixel jelly bean LEDs. The unit has an infrared (IR) receiver to be in a position to command it from a distant that speaks the NEC protocol. There is a mild sensor that enables the device to dim when it detects ambient gentle and the total device is run off of a micro-USB link.

The ATtiny85 have confined application flash and [Wagiminator] packs in a good deal of operation in these types of a compact package deal, squeezing in a little bit-banging NeoPixel driver in only 18 bytes of flash that can drive out a transfer charge 762 kpbs to update the LEDs. The pseudo-random amount employs a Galois linear suggestions change sign-up and will come in at 86 bytes of flash, with the IR receiver implementation code remaining the greatest using 234 bytes of flash. The ATtiny85 alone has 8 KB of flash memory so perhaps it’s attainable to force [Waginminator]’s code to even a lot more restrictive Atmel equipment in the ATtiny relatives.

With microcontrollers and LEDs turning into so low-priced and ubiquitous, earning reasonable flames with them is turning out to be accessible, as we have observed with earlier tasks on digital candles.

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