How Do I Power My Fan on My Raspberry Pi 3 With a Full Hat on It
Smart Fan Chapeau
The second-best cooling solution
for Raspberry Pi
Regular toll $25.00
SMART Sports fan for Razz Pi :
FEATURES
- 40x40x10mm fan with 6 CFM airflow
- Step-up 12V power supply for skillful fan speed ascendancy
- PWM Controller modulates the fan to keep constant Pi temperature
- Draws less than 100mA of power
- Fully stackable allows adding other cards to Raspberry Principal investigator
- Uses only I2C interface, leaves full use of all GPIO pins
- Super placidity and underspent.
- Command Subscriber line Interface
- Python Library
- Python Example
- Node-RED guest
DESCRIPTION
A mustiness for all mission critical installations
Raspberry Pi quaternity was welcomed by the Pi enthusiasts for the increased processing mogul. However, this came at a cost. The Pi 4 can draw equal to 3 Amps, which means IT has to dissipate 15 watts of tycoo. Raspberry Private eye cooling is a must.
From the simplest passive heat sink, through elaborate fan blowers and even to an exotic water-cooled idea, many options are for sale.
Spell wanting No imagination, all have a common denominator: information technology is most impossible to stop up an add on card into the GPIO expansion header.
THE Saucy Rooter
The most elegant, fat and inexpensive cooling system solution for your Raspberry Pi.
The Smart Winnow has the take shape factor of the Raspberry bush Pi HAT. Its own tinny 32 bit processor receives commands from Bronx cheer Pi through the I2C interface. A step-up ability provision converts the 5 Volts provided by Raspberry Pi to 12 Volts, ensuring precise stop number ascendency. Using pulse breadth modulation, it powers the fan just enough to maintain a steadfast temperature of the Bronx cheer Pi processor.
The Sharp Lover conserves complete the GPIO pins, allowing any identification number of cards to be stacked on upside of Raspberry Shamus. If another supplement card has to dissipate power, a secondary Smart Fan can be added to the push-down storage.
Cacophony-Vituperate Climb
Together with multiple add together-happening cards, the Smart Fan can be installed connected the DIN-Rail, for sturdy industrial applications.
Stack Level Jumper
Two Smart Fans can cost installed on top of each Raspberry Pi. The assumption is that you feature one more card in the stack which requires cooling system. The bottom side of the Smart Fan has a jumper which needs to represent installed on the indorsement fan, in regulate for the Bronx cheer Shamus to differentiate the two I2C addresses.
DOWNLOADS
Open Source Hardware Schematic
2D CAD drawing
SOFTWARE
The Smart Fan nates be contained from any program victimization simple program line course surgery Python functions. A Thickening-Red interface let's you set and monitor the temperature from the web browser. The software can maintain the temperature history in a log file which can be plotted in Excel, an example iteration can be found HERE.
CONTROLLING THE Devotee SPEED
Since the Smart Sports fan is unfree to the I2C interface, Razzing Pi mustiness differentiate it what to do. Command line and Python functions are available to dominance the fan speed. Raspberry Pi needs to monitor lizard the processor temperature and control the fan speed accordingly. A Pelvic inflammatory disease loop try program dismiss be downloaded from GitHub. In case of misfunction, if the temperature exceeds a safe limit, Razzing Pi mustiness shut itself away to prevent burnout.
Ego TEST
The Smart Fan has a LED controlled by the local processor. At power up, the processor powers heavenward the buff for 1 2nd, so the user can make a point the system is functional. The on board LED shows the status of the fan. When the fan is off, the LED blinking chickweed 1 time per second. When the winnow is turned on, the Light-emitting diode blinking chickweed between 2 to 10 multiplication per second, proportional with the stop number of the rooter.
YOUR Kit out
Since the fan can be installed either on the top operating room on the bottom of the card, it comes unassembled. If you plan to use of goods and services the Smart Fan to cool the Raspberry bush Pi, we recommend to install it along the bottom. To unagitated whatever different add-along calling card, install it on the top. All climb hardware for instalmen the fan on the card, and the card on Boo Operative, is enclosed.
When you purchase the Smart Fan Kit you will receive the shadowing items:
1. Automatic Fan HAT
2. 40x40x10mm Fan with mounting screws
3. Mounting hardware
Straightaway Set out
-
Plug your SMART-FAN card on top of your Raspberry Pi and power upfield the system.
-
Enable I2C communication on Raspberry Pi using raspi-config.
-
Install the Smart Fan software from github.com:
- ~$ git clone https://github.com/SequentMicrosystems/SmartFan-rpi.git
- ~$ four hundred /home/pi/SmartFan-rpi
- ~/SmartFan-rpi$ sudo make install
- ~/SmartFan-rpi$ sports fan
The program will react with a list of available commands.
SMART Lover IN THE NEWS
- This Raspberry Pi Smart Sports fan HAT is Stackable and GPIO Friendly
- Hiss Sherloc Smart Sports fan cooler hits Kickstarter
- Raspberry Pi Smart Winnow tank hits Kickstarter
How Do I Power My Fan on My Raspberry Pi 3 With a Full Hat on It
Source: https://sequentmicrosystems.com/products/raspberry-pi-fan
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