Smoking Crystal Skull

1 year ago

Profile:Want to create the perfect set for a unforgettable Halloween party? Or add some uncanny atmosphere to a kid’s room? This fun interior decoration project describes how to create a Smoking Crystal Skull: a upsetting cloud of fog coming out of a terrifying translucent skull with breathing illumination.

Open source license: GPL 3.0

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Description

Want to create the perfect set for a unforgettable Halloween party? Or add some uncanny atmosphere to a kid’s room?

This fun interior decoration project describes how to create a Smoking Crystal Skull: a upsetting cloud of fog coming out of a terrifying translucent skull with breathing illumination.

The project requires some level of experience in electronics, programing and basic crafting with carton and cables. The cost is relatively cheap, well under $80, with standard components that can be sourced easily (see below). It took me a couple of evenings to create this Smoking Crystal Skull.

The brain that controls the Smoking Crystal Skull is a small ESP8266 processor module, similar to Arduino with Wifi capabilities. The internal fog is created by an ultrasonic mist maker covered with water. A fan ensures a dynamic air flow, on top of the pulsing illumination, coming from a waterproof led strip. All of that is enclosed in a translucent glass skull.

The Smoking Crystal Skull may also be used as a perfume diffuser, but make sure to include some pumpkin fragrances...

Check out the full instructions: https://www.instructables.com/Smoking-Crystal-Skull/ -----------------------------------------------------------------------------------------------------------------------------------------

The overall project remains relatively cheap, using standard components, as listed here:

  • 1x Clear Glass Skull Shaped Water Dispenser (link or link) - The Crystal Skull
  • 1x carton box to hide the electronics (link) - The Brain Control Box
  • 1x ESP8266 generic SoC (link) - The Brain
  • 1x Ultrasonic mist maker 24V with 230V plug (link) - The Fog maker
  • 1x Small Fan TZL9110 (link) - The Fan for dynamic air flow
  • 1x Waterproof LED Strip (link) - The LED strip for illumination
  • 1x Small OLED 0.96 display (link) - The Debug console
  • 1x DC-DC 24V-5V module (link) - to power the brain from 24V power plug
  • 2x Mosfet IRLZ44 transistors (link) - to isolate the power from the command
  • 1x pcb or 1x breadboard 400pt (link)
  • 3x rocker switches and 1 main on/off switch
  • 5x 10kOhm resistors
  • misc connectors and 22AWG wires
  • soldering iron, hot glue gun and other regular electronics tools (tape, screwdriver, wire strippers, ...)

I  included links to AliExpress stores, but depending on your location you may source the components from amazon (not available in my country) or other stores.

Documents

Smoking Crystal Skull SCH

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PCB_Smoking Crystal Skull

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BOM

ID Name Designator Footprint Quantity
1 LM2596 DC24V-DC5V STEP_DOWN_LM2596S KRIM 1
2 XH2.54-JST_FEMALE FAN_IN CONN-SMD_3P-P2.54_XH2.54-3AB 1
3 XH2.54-JST_MALE FAN_OUT CONN-SMD_3P-P2.54_XH2.54-3AB 1
4 XH2.54-JST_FEMALE FOG_24V_IN,LED_STRIP_IN,POWER_OUT CONN-SMD_2P-P2.54_XH2.54-2AB 3
5 XH2.54-JST_MALE FOG_24V_OUT,LED_STRIP_OUT,POWER_IN CONN-SMD_2P-P2.54_XH2.54-2AB 3
6 LED STRIP J1 LED STRIP 1
7 0.96OLED_4P OLED 0.96OLED_4P 1
8 MOSFET_FOG_IRLZ44Z Q1 D2PAK_L10.0-W9.0-P2.54-LS15.0-BR 1
9 MOSFET_LED_IRLZ44Z Q2 D2PAK_L10.0-W9.0-P2.54-LS15.0-BR 1
10 10k R1,R2,R3,R4,R5 R0603 5
11 SWITCH_FAN SW1 SW-TH_SS01-BBIWA-RA20-R 1
12 SWITCH_FOG SW2 SW-TH_SS01-BBIWA-RA20-R 1
13 SWITCH_LED SW3 SW-TH_SS01-BBIWA-RA20-R 1
14 MASTER SW_MASTER SW-TH_SS01-BBIWA-RA20-R 1
15 ESP8266 U1 AP_ESP8266_ARRAY_15X2 1
16 Fog Maker U3 ULTRASONIC 1
17 FAN L9110S U4 SOP-8_L4.9-W3.9-P1.27-LS6.0-BL 1

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