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R/C Related Electronics DIY DIY R/C Electronics for tinkerers and the budget minded


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Old 11-02-2018, 07:42 AM   #1 (permalink)
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Default DIY JST-zh connectors

Is there a good place to get a kit for making JST-zh connectors, in essence making my own satellite and telemetry cables?

$9 for a six inch cable from Spektrum is a really great price (for Spektrum).
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Old 01-26-2019, 09:08 AM   #2 (permalink)
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A little late, Digi-Key has the plugs in 3 or 4 position configurations and pre terminated wires in a couple lengths. Plug and play. But all the wires are black and stiffer for such a small wire.

The hard part, at least for my shaky hands, is terminating small wires. Standard servo plugs are hard enough. And you have to buy a $40 tool.

Another option is to buy pre-terminated sets from amazon like these:
15 SETS JST ZH 1.5MM 4 Pin Female & Female Double Connector with Flat Cable 150MM PIN 1 TO PIN 1 https://www.amazon.com/dp/B075CLCWBM..._89gtCb8WXSTXC

I have used something like the above and removed the plug from one end and replaced it with a 3 pin plug for use with the spektrum telemetry receiver (SPM4649T) and a micro Ikon2.
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Old 01-26-2019, 09:54 AM   #3 (permalink)
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1.50mm Housings and Headers

https://www.amazon.com/Engineer-PA-0...engineer+pa-09

I've used these plenty of times. Works a treat. Do be aware that JST-ZH are tiny connectors and the terminals are fragile, if you mess up and bend them while crimping, they will fatigue and break when you bend them back. So don't do that.
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Old 04-21-2019, 01:18 PM   #4 (permalink)
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http://https://www.amazon.com/Engine...8GFV2GYCYX6M31

I prefer this crimper, it's more money but you have better control with it, crimping.

Additionally buy a knipex wire stripper or any stripper that you can set the depth of insulation to be stripped automatically.

Use the metal strip that the crimp was made with to hold the crimp while you make your first crimp around the bare wire.

If you are sold on soldering the wire to the crimp get magnifiers like optivisors and squeeze some dielectric grease into the head of the crimp or you can use a piece of motor winding wire, even a small 28-30ga. silicone wire. As long as the motor wire still has the varnish coating it'll work fine. You just need something to fill in the area where the male pin goes into the female crimp that you're trying to solder. You might even try getting some motor varnish & coating a male pin header & see if that would work. If solder does wick into the crimp, it's trash, start over. Also you have to have needle point soldering tip and it's a little tricky until you get that hang of it. The end result is a jst connector that you won't be able to pull the wires out of.

Here's the Optivisor:

https://www.amazon.com/Donegan-Optic...gateway&sr=8-5


Lastly be aware these 1.5 JST-ZH connectors were never intended for repetitive use so be careful they are fragile. That said, they do make male JST-ZH connectors, not a header but a dyed in the wool male crimp pins with a hooded connector. If try to find it & post a picture.

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