[NanoPC T4 - Fan-connector]

This is my setup.

 

big.LITTLE	load	%cpu	%sys	%usr	%nice	%io	%irq	Temp
600/1512MHz	1.40	17%	5%	7%	0%	4%	0%	31.1°C
1992/1512MHz	1.37	18%	4%	8%	0%	5%	0%	31.7°C
1992/1512MHz	1.39	21%	5%	10%	0%	5%	0%	31.7°C

 

Attached the fan direct to a power supply.

[NanoPC T4 - Fan-connector]

Today I received an answer from techsupport@friendlyarm.com:

 

Quote

Hi, 

We don't have fan products for sale, but we are planning to design a fan-cooling kit for the t4.

 

[NanoPC T4 - Fan-connector]

 

On 12/21/2018 at 5:41 PM, suka said:

I managed to build a matching DIY connector to the fan port, but have not been able to control its speed via a gpio yet so basically it is running at full speed all the time, even when the T4 is powered off but still plugged in.

 

Messing with the GPIO and PWM definitions in the device-tree has not yielded any result yet: does anyone else have this problem or a working setup?

 

Meanwhile I gave up building a connector. How did you succeed building a connector? Do you have a crimp-tool? The parts are so small (and my fingers so clumsy).

 

Just sent a mail to friendlyarm. Maybe a preconfigured fan or adapter exists. Otherwise I will apply a separate power supply only for the fan. Ugly and sad solution.

[NanoPC T4 - Fan-connector]

@suka Postet in another subchannel:

 

 

[NanoPI T4 3-pin fan with PWM suggestion needed.]

Hello !

 

Same problem, another forum: https://forum.armbian.com/topic/9105-nanopc-t4-fan-connector

 

Meanwhile I received the parts to build the connector/cable:

On board: JST BM03B-GHS-TBT
plug-housing: JST GHR-03V-S
plug-contacts: JST MINI-SSHL-002T-P0.2

 

Soldering? Just forget it. The parts are so small. I just ordered a preconfigured cable via eBay.

 

But the main problem seems to be that the fan is runnig at highest speed, ignoring the PWM signal.

[NanoPC T4 - Fan-connector]

Thank you! I found the parts and I'll report how it worked out.

[NanoPC T4 - Fan-connector]

Hi folks!

Some problems later I just build my ethereum-node using the FriendlyARM NanoPC T4 (Reddit project Ethereum on NanoPC T4).

Using it indoor the temperature climbs to 80° celsius with the passive cpu-heatspreader. So I decided to install a fan and found the specs for the 'Cooling Fan interface'. The connector is named BM03B-GHS-TBT.

 

Where can I buy a fan (40x40mm)? I only find fans with 3-pole-molex-adapter. All I know is the name of the male connector (in german): "JST Buchsengehäuse-Kabel GH Polzahl Gesamt 3 Rastermaß: 1.25 mm GHR-03V-S".