Redstone1024/Fursuit-CylinderFan
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README.md

Redcraft Fursuit Cylinder Fan

A Simple Rechargeable Cylinder Fan for Fursuit Heads

Installation

PCB

First, solder the components to the PCB, you can refer to the method provided in the Link.

The non-silkscreened 0Ohm resistor next to U3 is used to configure the fan PWM positive and negative. For DV05028B12U, use the 0Ohm resistor to connect pad closest to inside PCB (positive PWM).

The JP2 connector is used to connect the battery level indicator module, so don't solder XH2.54-2P.

You can refer to the following procedure to verify that the PCB is working, and reproduce the soldering of J1 or U1 if there is an abnormality.

Note

: No abnormally high temperatures in the IC and other components throughout the process.

Note

: The following tests are performed with a good battery.

Note

: If your Type-C PD power supply is unable to detect the current status, you can apply an adjustable power supply directly on the Type-C or C23 (left end is positive). But don't forget to test if it still works when connected to a standard Type-C PD power supply.

  1. Ensure that there is no shorts for C1 C2 C23 and that their resistance is at the MOhm level (C23 is at the kOhm level).
  2. Ensure that there are no false shorts between the IP2368 and Type-C pins and to GND.
  3. Ensure LEDs are oriented and colored correctly.
  4. When connected to a standard Type-C PD power supply and without battery.
    1. Ensure the power supply should be around 20V.
    2. Ensure the power supply should be around 0.6W.
    3. Ensure the C2 voltage should be around 12.6V.
  5. Insert a battery of less than 50% capacity, ensure the red light blinks 4 times and then goes out.
  6. When connected to a standard Type-C PD power supply with a 50% capacity battery (Pay attention to high temperature).
    1. Ensure the red light comes on quickly and without blinking.
    2. Within IC protocol negotiation, ensure the power supply should be around 0.6W.
    3. After IC protocol negotiation, ensure the power supply should be about 24W (12W for 5V, 9V, 12V, 15V).
    4. After IC protocol negotiation, ensure the voltage across R9 should be 10mV (right end is positive).
  7. After unplugging the standard Type-C PD power supply, ensure the red light goes off in about 1 second.
  8. When the battery is fully charged, ensure the red light will be off and the blue light wull be on.
  9. Ensure Type-C can support PD3.0 30W, APPEL 2.4A, BC1.2DCP, QC3.0 5V-12V, AFC 25W, FCP 24W, SCP 25W, etc.
  10. Connect the fan and make sure the fan can rotate and adjust the speed properly.
  11. Ensure the battery level meter can correctly display the battery level.

3D Printed Parts

Note

: The following parts are printed with a 0.4mm nozzle and 0.2mm layer height.

Note

: STLs not mentioned here can be printed using the auto-orientation directly

CylinderFan-Master-Body.stl - Position the fan upward and add support to the lower plane at the lanyard.

CylinderFan-Master-FanMount.stl - Add a cylinder to the large center hole, set up layer 0 top, bottom, and walls with 15% honeycomb fill.

CylinderFan-Nozzle-*.stl - Add support to the outer circle below. Pause the print and add the magnet while the magnet hole closes the layer.

CylinderFan-Electronic-Body.stl - Print the LED translucent faces with a white filament. Add support to bottom slide.

CylinderFan-Battery-*.stl - If you select a finished battery, you only need to print the CylinderFan-Battery-Adapter*.stl part, otherwise print other STLs.

Assembly

Just assemble according to CAD drawings.

Be careful NOT to allow parts to run over, wrap around, or rub the wires.

FAQ

Q: Why is the red light always on and not off or higher than a second when I remove the power while charging?

A: Major MOSFET G-pin is disconnected. Resolder the main MOSFETs and make sure there is enough tin in the G-pin.

Q: Why is there a large number of unsupported protocols during protocol detection?

A: Type-C signal pin is disconnected or IP2368 is disconnected. Resolder them reference Link.

Q: Why does the protocol detection show that QC3.0 12V is not supported?

A: Major MOSFET G-pin is disconnected. Resolder the main MOSFETs and make sure there is enough tin in the G-pin.

Q: Why does the red light not go out and the blue light not come on after a full charge?

A: If the red light does not flash when the battery is inserted, the capacitor was charged when the battery was replaced and did not recognize the new battery correctly. Just disconnect the battery and wait for the capacitor to discharge and reinsert it. If the red light blinks four times when the battery is inserted, it means that the MOSFET G-pin is disconnected, so re-solder them.

Q: Why does Type-C not make good contact when plugged in?

A: Presence of flux in Type-C causing isolated contacts or the temperature or time spent soldering the Type-C is excessive, clean the Type-C or use a new Type-C connector.

Q: Why is the input normal but the output blinks red and blue at the same time and the blue blinks for a shorter time than the red?

A: Major circuits such as inductors have false soldering, re-solder them.