# Using Gator Sensors with Microbit

**URL:** <https://community.sparkfun.com/t/using-gator-sensors-with-microbit/42746>\
**Category:** Environmental\
**Created:** [September 15, 2021, 10:12pm UTC](https://community.sparkfun.com/t/using-gator-sensors-with-microbit/42746 "2021-09-15T22:12:43Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![jarsenault](https://avatars.discourse-cdn.com/v4/letter/j/e19adc/32.png) [@jarsenault](https://community.sparkfun.com/u/jarsenault)\
**Post date:** [September 15, 2021, 10:12pm UTC](https://community.sparkfun.com/t/using-gator-sensors-with-microbit/42746/1 "2021-09-15T22:12:43Z")

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Do I need to have the Gator Bit to use the sensors like the UV sensor with a microbit or can I connect without it? I purchases several sensors for my school as the site I was on did not specify that another accessory was required… I don’t have any more funding right now to purchase anything else so I am hoping the sensors can work without the gator bit attachment even if it is more cumberson?

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**Author:** ![santaimpersonator](https://yyz1.discourse-cdn.com/sparkfun/user_avatar/community.sparkfun.com/santaimpersonator/32/6108_2.png) [@santaimpersonator](https://community.sparkfun.com/u/santaimpersonator)\
**Post date:** [October 7, 2021, 4:25am UTC](https://community.sparkfun.com/t/using-gator-sensors-with-microbit/42746/2 "2021-10-07T04:25:47Z")

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You don’t need to use the gator:bit, but it would be significantly easier to make the necessary connections. The UV sensor uses the 3.3V, GND, and I2C pins on the micro:bit. Therefore, you’ll use the big **3V** and **GND** pins and pins **P19** (SCL) and **P20** (SDA) _(see this chart for a reference: [https://tech.microbit.org/hardware/edge … ector-pins](https://tech.microbit.org/hardware/edgeconnector/#edge-connector-pins))_.

For more details on the pins, check out these resources:

[https://microbit.org/get-started/user-g … epth/#pins](https://microbit.org/get-started/user-guide/features-in-depth/#pins)

[https://tech.microbit.org/hardware/edge … ector-pins](https://tech.microbit.org/hardware/edgeconnector/#edge-connector-pins)

There are some other products that you can use in combination, that would also work for you. Check out the micro:bit breakout board [[https://www.sparkfun.com/products/16446](https://www.sparkfun.com/products/16446)], which breaks out all the edge connector pins to header pins. That way you can use jumper cables [[https://www.sparkfun.com/products/10898](https://www.sparkfun.com/products/10898)] and these pig-tail alligator clips [[https://www.sparkfun.com/products/13191](https://www.sparkfun.com/products/13191) or [https://www.sparkfun.com/products/14303](https://www.sparkfun.com/products/14303)]