I am testing out this new birthday present I got ages ago and I this set I have got has got male pins and the raspberry pi's GPIO pins are male as well and they obviously appear to not go in.

This diagram explains what the issue is enter image description here

all of the wires going in are males and the numbered GPIO pins in the raspberry pi are all male as well

enter image description here

These are what the cables look like

  • Buy some 'female to male dupont jumper wires'
    – CoderMike
    Commented Jun 2, 2019 at 11:27
  • @CoderMike I have looked those up and those are not what I need the cable I am trying to connect up to the raspberry pi looks like this. Commented Jun 2, 2019 at 11:31
  • Just google them! amazon.co.uk/…
    – CoderMike
    Commented Jun 2, 2019 at 11:32
  • 1
    The birthday present might be the AD3235 ADC based heart beat monitor. Ecg module AD8232 ecg measuring pulse heart ecg monitoring module sensor kit - US$4.36 fr.aliexpress.com/item/…
    – tlfong01
    Commented Jun 3, 2019 at 12:24
  • 1
    @goldilocks no its nothing like that. It's not an ECG. its a circuit wire. They are called snap circuits and I am trying to just connect them to my raspberry pi! Commented Jun 3, 2019 at 15:52

2 Answers 2


Digital_Rookie -- Welcome.

The (obvious) answer would be to get female to female cables. I usually keep all three types of sets M-to-F, F-to-F, and M-to-M handy. eg.


  • Is it possible to get a few less than that because I only need about 20 female to females altogether Commented Jun 2, 2019 at 14:27
  • @Digital_Rookie You can shop around, of course, but at some point the value of the product becomes too low to make it worth the shipping. Sounds like you'll probably end up with more than you need. This is the right answer though. You just have the wrong cables and these (or any like them) should work.
    – Brick
    Commented Jun 4, 2019 at 18:44


I am testing out this new birthday present I got ages ago GPIO pins do not appear to go into the raspberry pi



Ah, we never heard of the thing called "Snap Circuits", so everybody made wrong guesses. In order to save our losing face and restore Rpi StackExchange's before damaged reputation, I am now preparing an answer. I am a long winded guy, so the answer should be a bit long, perhaps 10 times longer than the average answer in this Q&A forum, ...

Short Answer

I usually first do some academic research, then some engineering experimentation, then make first draft of a short answer. So I will now hop to the long answer part and hop back when the long answer is more or less complete, ...

/ to continue, ...

Long Answer

/ to continue, ...


Snap Circuits - Wikipedia

Snap Circuits is a line of electronic kits manufactured by Elenco Electronics and aimed at children eight years and older.

The kits come in a variety of sizes, offering a range of building experience for the user, and may include motors, lamps and speakers. The kits consist of a breadboard with prewired interconnections, into which the various components can be snapped to easily create a working circuit.

Snap Circuits has been praised for exposing young children to elementary engineering concepts.

snap circuit

Button Wire for Snap Circuits

AliExpress 40 pieces Dupont 2.54mm Female to Female 20cm 1P-1P Jumper Wire - US$1

Snap Circuits Extreme SC-750 full look

Snap Circuits Extreme - Model: SC-750

Snap Circuits Extreme SC-750 Review

  • 1
    I am confused what you are on about (I am only 14) Commented Jun 4, 2019 at 16:42
  • @Digital_Rookie - I am terribly sorry. I wrongly thought that you got your birthday present at 12, and you were now over 16. Please ignore my suggestions on modifying the snap wires for Rpi. It is risky to connect Snap Circuits directly to Rpi, because the 3V to 6V battery power might damage the Rpi. BTW, I included the Snap Circuits Youtube videos because I watched them and I am very impressed that teenagers can learn so much about electronics in such a very reasonably priced education kit. My apologies again. Happy electronics hobbying.
    – tlfong01
    Commented Jun 5, 2019 at 0:05

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