Klipper-Fan-Hat
About the Klipper-Fan-Hat
Klipper-Fan-Hat is an open source PCB design by mikepthomas, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 65 × 56.5 mm, with 59 components from 26 distinct parts.
Other key parts include the CAT24C256 and DS18B20. By type, the board carries 20 resistors, 7 diodes, 6 connectors, 5 transistors, 5 jumpers and 2 ICs.
It belongs with the sensors and dev boards & breakouts designs in this gallery.
From the project
A Raspberry Pi Hat to control additional fans using the Raspberry Pi as a Secondary MCU in Klipper Firmware.
Documentation and Setup information here
Parts that I sourced for assembly: - 1206 Capacitor Set Ali Express - 1206 LEDs Ali Express - 1206 Resistor Set Ali Express - 2510 Axial Fan Ali Express - Blade Fuse Holder Ali Express - DIP-8 24C32 EEPROM Ali Express - DIP-8 Socket Ali Express - IRLML6344TRPBF Mosfets Ali Express - JST-XH Connector Set Ali Express - Jumper Caps Ali Express - KF301 Screw Terminal Ali Express - M2.5x14 BHCS Ali Express - Pin Header Set Amazon - Raspberry Pi Headers and Spacers Amazon - DS18B20 Temperature Sensor Ali Express
Main components on the Klipper-Fan-Hat
Klipper-Fan-Hat bill of materials (BOM)
59 components, 26 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CAT24C256 | DIP-8_W7.62mm | U1 |
| 1 | DS18B20 | TO-92_Inline | U2 |
| 5 | IRLML6344 | TSOT-23 | Q1, Q2, Q3, Q4, Q5 |
| 1 | Vin | TerminalBlock_bornier-2_P5.08mm | J1 |
| 1 | Serial | JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J2 |
| 1 | I2C | JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J3 |
| 1 | 1 Wire | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J4 |
| 1 | SPI | PinHeader_1x06_P2.54mm_Vertical | J5 |
| 1 | GPIO | PinSocket_2x20_P2.54mm_Vertical | J6 |
| 1 | Fuse | Fuseholder_Blade_Mini_Keystone_3568 | F1 |
| 5 | Conn_01x02 | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | FAN1, FAN2, FAN3, FAN4, FAN5 |
| 1 | J7 | PinHeader_1x03_P2.54mm_Vertical | GPIO20 |
| 1 | J8 | PinHeader_1x03_P2.54mm_Vertical | GPIO21 |
| 1 | J9 | PinHeader_1x03_P2.54mm_Vertical | GPIO22 |
| 1 | J10 | PinHeader_1x03_P2.54mm_Vertical | GPIO23 |
| 1 | J11 | PinHeader_1x03_P2.54mm_Vertical | GPIO24 |
| 1 | J12 | PinHeader_1x03_P2.54mm_Vertical | GPIO25 |
| 5 | V Select | PinHeader_1x03_P2.54mm_Vertical | JP1, JP2, JP3, JP4, JP5 |
| 1 | ID_WP | PinHeader_1x02_P2.54mm_Vertical | WP1 |
| 7 | LED | LED_1206_3216Metric_ReverseMount_Hole1.8x2.4mm | D1, D2, D3, D4, D5, D6, D7 |
Show 6 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 100n | C_1206_3216Metric | C1 |
| 1 | 1k | R_1206_3216Metric | R1 |
| 2 | 3.9k | R_1206_3216Metric | R2, R3 |
| 7 | 4.7k | R_1206_3216Metric | R4, R17, R18, R19, R20, R21, R22 |
| 5 | 100 | R_1206_3216Metric | R7, R9, R11, R13, R15 |
| 5 | 10k | R_1206_3216Metric | R8, R10, R12, R14, R16 |
Klipper-Fan-Hat design files
The KiCad project lives in the mikepthomas/Klipper-Fan-Hat repository on GitHub; these links point at the commit this page was built from.
Klipper-Fan-Hat: common questions
How big is the Klipper-Fan-Hat?
The Klipper-Fan-Hat measures 65 × 56.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Klipper-Fan-Hat?
59 components, from 26 distinct parts. The full bill of materials is listed on this page.
Where can I download the Klipper-Fan-Hat design files?
From the mikepthomas/Klipper-Fan-Hat repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Klipper-Fan-Hat design in my own project?
Yes, under the terms of its GPL-3.0 license, which mikepthomas chose for the repository.
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