Issue with pin connections

[foxeurfox]

Hello,

My son is using a nano 33 IoT.
We plugged it onto a small white plastic board with tiny holes.
We plugged 2 RGB leds on the board.
We have made a sketch with cloud to control the LEDs with a mobile phone.
Everything works properly.
The only issue is that the connections seem to be NOK.
We must keep the nano pushed toward one side so that the LED light. Otherwise, they switch off or the color is changing.
Seems like it's not contacting very well.
How do you manage with this?

We don't want to solder the nano and the wires as he builds many different projects.
And also, I don't feel capable of soldering this so tiny stuff.

[jim-p]

Some of the cheap solderless breadbords are like that, the connections can be intermittent and unreliable.

[UKHeliBob]

Welcome to the forum

It is difficult to understand your problem. Please post some clear pictures of your system

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[jim-p]

If you just pushed the header pins through the holes on the Nano, it will never work right
They must be soldered on

[sonofcy]

This brand of BreadBoard is better than the rest, but still not perfect as the wires you plug in can be out of spec. https://www.amazon.ca/dp/B0040Z4QN8?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_2
You don't solder the NANO, you solder female headers then you can insert the NANO and later remove it.
Here is link to hdrs https://www.amazon.ca/dp/B07CWSXY7P?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1
And link to solderable bread boards. These are small, just use this to set up a search for larger, lots of names https://www.amazon.ca/dp/B081MSKJJX?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_2