Adafruit
Adafruit STEMMA QT Qwiic JST SH 4-pin Cable 100mm
A 100 mm JST SH cable with 4-pin connectors links STEMMA QT or Qwiic boards for sensor and driver connections
- TypePrototyping Products
- Connect sensors instantly with 100mm flexible cable
- Secure 1mm pitch JST SH connectors lock firmly
- Symmetrical design eliminates wrong-side insertion errors
- Colour-coded wires simplify 3.3V power and I2C data routing
- Ready for Qwiic boards and STEMMA QT devices
Connection Cable for Prototyping
This 100 mm cable links STEMMA QT and Qwiic boards using 4-pin JST SH connectors on both ends. The 1 mm pitch design keeps the assembly compact while maintaining a secure latch. Symmetrical wiring means either connector can attach to the sensor or the controller without orientation concerns.
Verify Board Headers Before Ordering
Confirm that both devices expose a 4-pin JST SH header with the standard pinout. The cable carries power, ground and I²C data lines in a fixed colour sequence. Mismatched pin assignments or a different pitch connector will prevent the link from functioning.
Colour-Coded Wires Simplify Wiring
Red, black, blue and yellow conductors map directly to 3.3 V power, ground, SDA and SCL respectively. This labelling removes guesswork when debugging the bus. No additional adapters or software are required to use the cable with compatible boards.
Kohokohdat
- Connect sensors instantly with 100mm flexible cable
- Secure 1mm pitch JST SH connectors lock firmly
- Symmetrical design eliminates wrong-side insertion errors
- Colour-coded wires simplify 3.3V power and I2C data routing
- Ready for Qwiic boards and STEMMA QT devices
Tekniset tiedot
| Type | Prototyping Products |
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Kysymyksiä tästä tuotteesta
What comes with the 100mm STEMMA QT cable and do I need any extra headers or boards?
The cable is a single 4-wire lead with JST-SH female connectors on both ends; no additional headers, boards or accessories are included.
How do I pick between the STEMMA QT and Qwiic ends on this cable?
Both connectors are identical JST-SH 4-pin plugs wired for 3.3 V power, ground, SDA and SCL, so either end can mate with any STEMMA QT or Qwiic port.
What do the 3.3 V power and I2C lines do once the cable is plugged into a microcontroller board?
Red carries 3.3 V supply, black is ground, blue carries I2C SDA data and yellow carries I2C SCL clock, letting the host talk to the attached sensor or driver.
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