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This 200 mm cable converts a JST PH 4-pin connector into four individual wires with 0.1″ (2.54 mm) male header pins on the end. It's designed for connecting ...

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This 200 mm cable converts a JST PH 4-pin connector into four individual wires with 0.1″ (2.54 mm) male header pins on the end. It's designed for connecting STEMMA and Grove I²C boards to breadboards, socket headers, or any standard 0.1″ pitch connection.

Key Features

  • JST PH to Male Headers – 4-pin JST PH on one end, individual 0.1″ male pins on the other
  • 200 mm Length – Convenient length for prototyping
  • Colour-Coded Wires – Easy identification of each connection
  • STEMMA & Grove Compatible – Fits both Adafruit STEMMA and Seeed Grove I²C connectors

Wire Colours

  • Black – GND
  • Red – V+
  • White – SDA
  • Green – SCL

Specifications

  • Connector A – JST PH 4-pin
  • Connector B – 4× 0.1″ male header pins
  • Length – 200 mm
  • Conductors – 4 (GND, V+, SDA, SCL)

Ideal For

  • Connecting STEMMA or Grove boards to breadboards
  • I²C sensor prototyping with standard headers
  • Bridging JST PH connectors to 0.1″ pitch sockets

Jargon buster

Plain-language definitions for the technical terms used above.

Grove
Grove is a plug-in connector ecosystem for sensors and modules that avoids soldering and jumper wires. Grove compatibility matters because it can make it quicker to add supported I2C devices, as long as the cable and voltage are suitable.
Headers
Rows of metal pins used to plug a module into a breadboard or connect it with jumper wires. Pre-soldered headers make the module easier to use straight away without needing to solder the pins yourself.
JST PH
A small keyed plug-and-socket connector with 2 mm pin spacing, often used for low-power electronics connections. You need the correct JST PH cable, and its current rating limits how much power should be passed through it.
pH
A measure of how acidic or alkaline a liquid is, on a scale where 7 is neutral. For a water monitoring kit, pH tells you about water chemistry and whether the included probe matches the range and accuracy your project needs.
STEMMA
A plug-and-cable connection system used on some maker electronics boards to make wiring simpler. If a product uses STEMMA, you need the matching cable or connector type to plug it in without soldering.
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