DIY Projects

How to solder the Raspberry Pi Zero W GPIO connector

soudure welding connecteur raspberry pi zero w

The Raspberry Pi Zero W comes with a GPIO connector to be soldered on the PCB itself. This is a step that can be frightening when you start. In this tutorial we will learn which hardware to use and how to weld the connector properly and safely for the Pi Zero W.

Necessary material

For this tutorial, I purchased the Essential kit from PiHut. This kit comes with 3 types of connectors:

To solder the connector, I recommend using a good quality soldering iron. The ideal is to get a soldering iron with a control of the welding temperature. Good results are obtained between 300 and 400 ° C. Choose a soldering iron with a maximum diameter of 2mm. We find for less than €20. Take tin wire between 0.5 and 1mm in diameter.

The easiest way to solder connectors properly is to use a breadboard (prototyping board). Simply insert the connector into the breadboard and then install the soldering board.

The last indispensable tool is the desoldering pump. In the event of an error or an excessive amount of tin, you can correct the problem. Avoid cheap plastic models. The pump will operate 50 times before satellitating the piston at the other end of the room, it is lived :-D.

How to weld easily

There are many tutorials that explain how to solder well on the internet and especially good videos on Youtube. You can start with this one (In French but exactly the same case).

What to remember

Attention. Limit the heating time when welding circuits where there are already components. You may de-solder components. Worse, some components are sensitive to heat, so you risk destroying them.

Weld the connector on the Raspberry Pi Zero W

Here I opted for the right connector identical to the Raspberry Pi 3. Since the micro HDMI connector is thicker than the board, it is necessary to place on one edge of the breadboard so that the GPIO connector can be flat. Hold the board in place and make 2 solder points at each end of the connector.

You will get a correct mounting

You can now solder the remaining pins. To finish this tutorial, here is a short video of some welding points. If you have other tips, feel free to share your experience in the comments.

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