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smart-fish-tank

SwartNinja logo

Parts Used


  • 1 x N-Channel MOSFET (IRF530N)
  • 1 x NodeMCU V3.0
  • 2 x Bi-Directional Logic Level Converter (JY-MCU)
  • 1 x 12v to 5v Step Down
  • 1 x 12V 6amp Power Supply
  • 1 x Digital RGB Leds
  • 1 x Project Box
  • 1 x Power Jacks
  • 1 x Toggle Switch
  • Header Wires

Fritzing Sketch


Wiring


Logic Shifter 1 - 5v Side

Wire Pin Destination Destination Pin
Green VCC Step down converter 5v positive
Purple GND Step down converter 5v negative
Blue 1* Relay Module IN1
Green 2* Relay Module IN2
Brown 3* Relay Module IN3
Purple 4* Relay Module IN4

Logic Shifter 1 - 3.3v Side

Wire Pin Destination Destination Pin
Orange VCC NodeMCU 3v
Black GND NodeMCU G
Blue 1* NodeMCU D6
Purple 2* NodeMCU D5
Gray 3* NodeMCU D0
Green 4* - -

Logic Shifter 2 - 5v Side

Wire Pin Destination Destination Pin
Green VCC Step down converter 5v positive
Purple GND Step down converter 5v negative
Brown 1* Terminal Block 4
- 2* - -
- 3* - -
- 4* - -

Logic Shifter 2 - 3.3v Side

Wire Pin Destination Destination Pin
Orange VCC NodeMCU 3v
White GND NodeMCU G
Orange 1* NodeMCU D2
- 2* - -
- 3* - -
- 4* - -

* numbering starts from next to the GND incrementing from left to right pin as there is no physical numbering on the board

Terminal Block

Pin Function
1 White & Color LED VCC (Step down converter 12v positive)
2 White LED GND
3 Color LED GND (Step down converter 12v negative)
4 Color LED Signal
5 Switch Signal (connected to D7 on NodeMCU)
6 Switch Ground (connected to G on NodeMCU)

Fish Tank Light Wire

Color Function
brown White & Color LED VCC
Black White LED - GND
Green Color LED - Signal
White Color LED - GND
Orange Switch
Blue Switch

Photo


More photos and other assets available in the assits folder.