Dennis Lee Bieber  wrote:
> On Tue, 28 May 2019 17:05:15 -0700 (PDT), mario_rossi@peppercom.it
> declaimed the following:
>
>>
>> I didn't say but, we (group of students) soldered all the "holes"
>> (sda, scl...) with a comb-like metal (like this ++++), so that
>> the pins one side coming from sensor enter the cablet whose
>> other side connects to right pin on Rpi. This is our problem
>> (I think it is the thinnest of all the problems :-) but we're
>> still beginners), a cablet is for 1 sensor but the pins on Rpi
>> are only 2... What is needed is a "multicablet": 1 end to the Rpi,
>> that divides in more ends at the other side, so the sensors can
>> share the communication with the processor
>
> What type of RPi do you have that you had to solder to it? All of mine came
> with a set of pins for connecting jumper wires

Pi Zeros don't (except the WH), not sure about the others.

> or proto-board (for soldering a more permanent project -- these have copper
> in the same arrangement as a breadboard, so when the project works you just
> move the components to the same position on the proto-board and solder
> them)
>
> And here is one meant for direct jumpering of an RPi
> https://www.adafruit.com/product/1135
>
> breakout and cable for use on breadboard
> https://www.adafruit.com/product/914

Note that those don't suit later Pi models with a 40pin GPIO header.

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