{ "ok": true, "data": { "title": "ZP-0110", "rev_id": 12947, "updated_at": "2023-04-18T06:38:45+00:00", "chunk_count": 15, "chunks": [ { "title": "ZP-0110", "rev_id": 12947, "heading_path": "", "chunk_index": 0, "content": "# ZP-0110", "char_count": 9, "token_estimate": 3 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "Armor lite heatsink with pwm fan for Raspberry Pi 4B", "chunk_index": 1, "content": "
\n\"精修风扇1.jpg\"\n
精修风扇1.jpg<\/figcaption>\n<\/figure>\n\n- Purchase URL \\[ \\]", "char_count": 252, "token_estimate": 83 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "Description", "chunk_index": 2, "content": "This is a thin and lightweight heat sink, equipped with a 3510 ultra-quiet cooling fan, and the fan supports PWM speed regulation, which is perfectly compatible with Raspberry Pi OS. Other systems need to manually write python or C code to drive the fan speed through PWM.\nNOTE: Supports Raspberry Pi 4B Only, Automatic speed control function only supports Raspberry Pi OS.", "char_count": 373, "token_estimate": 94 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "Features", "chunk_index": 3, "content": "- Lightweight and silent\n- Support PWM control speed regulation\n- Compatible with official system configuration\n- Easy to install and fix\n- Good heat dissipation effect", "char_count": 178, "token_estimate": 45 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "Gallery", "chunk_index": 4, "content": "- Product Outlook", "char_count": 19, "token_estimate": 5 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "Gallery", "chunk_index": 5, "content": "| | | |\n|-----------------------------------------------------------------------------------|--------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------|\n|
\n \"精修风扇1.jpg\"\n
精修风扇1.jpg<\/figcaption>\n <\/figure> |
\n \"Zp0110back.jpg\"\n
Zp0110back.jpg<\/figcaption>", "char_count": 1065, "token_estimate": 287 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "Gallery", "chunk_index": 6, "content": "<\/figure> |
\n \"Zp0110精修.jpg\"\n
Zp0110精修.jpg<\/figcaption>\n <\/figure> |", "char_count": 836, "token_estimate": 219 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "Gallery", "chunk_index": 7, "content": "- Specifications", "char_count": 18, "token_estimate": 5 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "Gallery", "chunk_index": 8, "content": "| | | |\n|-----------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------|--------------------------------------------------------------------|\n|
\n \"精修风扇1.jpg\"\n
精修风扇1.jpg<\/figcaption>\n <\/figure> |
\n \"Detailszp0110.jpg\"\n
Detailszp0110.jpg<\/figcaption>", "char_count": 1059, "token_estimate": 285 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "Gallery", "chunk_index": 9, "content": "<\/figure> |
\n \"降温.jpg\"\n
降温.jpg<\/figcaption>\n <\/figure> |", "char_count": 830, "token_estimate": 218 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "Package Includes", "chunk_index": 10, "content": "- 1 x Armor lite heatsink with pwm fan for Raspberry Pi 4B\n- 1 x Screw driver\n- 2 x M2.5x6mm Screws\n- 4 x Thermal Pad\n- 1 x Instructions\n\n\"清单图1.jpg\"", "char_count": 214, "token_estimate": 65 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "How to assemble", "chunk_index": 11, "content": "\"Zp0110安装1.jpg\"\n\"Zp0110安装2.jpg\"", "char_count": 163, "token_estimate": 56 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "How to enable auto adjustable fan", "chunk_index": 12, "content": "- Turn on Raspberry Pi and login.\n- Open a terminal and typing:\n\n\n\n sudo raspi-config\n\n- Navigate to 4 Performance Options<\/b> -\\> P4 Fan <\/b> and select YES<\/b>-\\> Input or keep it as 14<\/b>-\\>OK<\/b>-\\>input temperature in degrees should the fan turn on, for example: I'd like turn on the fan when the temperature reached to 65 degrees, input 65 and press Enter.", "char_count": 395, "token_estimate": 99 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "How to enable it via Programming", "chunk_index": 13, "content": "- Make sure RPi.GPIO library has been installed.\n\n\n\n pip freeze |grep RPi.GPIO\n\nIf feedback is:\n\n RPi.GPIO==0.7.0\n\nmeans library is OK.\n\n- Open a terminal and create a file named: pwm-fan-control.py\n- Copy and paste following code into the file and save it.\n\n\n\n import RPi.GPIO as GPIO\n import time\n import subprocess\n\n GPIO.setmode(GPIO.BCM)\n GPIO.setup(14, GPIO.OUT)\n pwm = GPIO.PWM(14,100)\n\n print(\"\\nPress Ctrl+C to quit \\n\")\n dc = 0\n pwm.start(dc)\n\n try:\n while True:\n temp = subprocess.getoutput(\"vcgencmd measure_temp|sed 's\/[^0-9.]\/\/g'\")\n if round(float(temp)) >= 40:\n dc = 100\n pwm.ChangeDutyCycle(dc)\n time.sleep(0.05)\n else:\n dc = 0\n pwm.ChangeDutyCycle(dc)\n time.sleep(0.05)\n except KeyboardInterrupt:\n pwm.stop()\n GPIO.cleanup()\n print(\"Ctrl + C pressed -- Ending program\")\n\n- Execute it by typing:\n\n\n\n python3 pwm-fan-control.py\n\n- The fan will be turned on when the CPU temperature is reached to 65 degrees.", "char_count": 1151, "token_estimate": 288 }, { "title": "ZP-0110", "rev_id": 12947, "heading_path": "Keywords", "chunk_index": 14, "content": "- Armor lite heatsink with pwm fan for Raspberry Pi 4B, PWM fan, adjustable speed fan, heat sink, quiet fan", "char_count": 109, "token_estimate": 28 } ] } }