Hardware lesson with Gert: make your own ribbon cable connector

Someone in our forums was asking yesterday where he could buy some ribbon cable with a press connector for his Raspberry Pi, to attach to the GPIO pins. Pre-built cables like this are hard to find, and the options other people on the forums found were pricey, and also attracted large shipping costs. So Gert stepped in: here’s how to build your own using parts (which you should be able to buy from your local electronics store).