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61 lines
2.3 KiB
Markdown
61 lines
2.3 KiB
Markdown
---
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title: "LoPy 4"
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aliases:
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- datasheets/development/lopy4.html
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- datasheets/development/lopy4.md
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- product-info/development/lopy4
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- chapter/datasheets/development/lopy4
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---
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{{% hint style="info" %}}
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Please Note: We have removed the labels from the pictures in the documentation due to inconsistencies with label orientation. *The LED must be aligned above the USB socket* when inserting or removing a development board from an expansion board/Pytrack/Pysense/Pyscan.
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{{% /hint %}}
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**Store**: [Buy Here](https://pycom.io/product/lopy4/)
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**Getting Started:** [Click Here](/gettingstarted/connection/lopy4)
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## Datasheet
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The datasheet of the LoPy4 is available as a PDF File.
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<a href="/gitbook/assets/specsheets/Pycom_002_Specsheets_LoPy4_v2.pdf" target="_blank"> LoPy4 Datasheet </a>
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## Pinout
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The pinout of the LoPy4 is available as a PDF File
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<a href="/gitbook/assets/lopy4-pinout.pdf" target="_blank"> LoPy4 Pinout </a>
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{{% hint style="info" %}}
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Please note that the PIN assignments for UART1 (TX1/RX1), SPI (CLK, MOSI, MISO) and I2C (SDA, SCL) are defaults and can be changed in Software.
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{{% /hint %}}
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## Notes
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### WiFi
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By default, upon booting up the LoPy4 will create a WiFi access point with the SSID `lopy4-wlan-XXXX`, where `XXXX` is a random 4-digit number and the password `www.pycom.io`.
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The RF switch that chooses between the on-board and external antenna is connected to `P12`, so for this reason using `P12` should be avoided unless WiFi is disabled in your application.
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### Power
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The `Vin` pin on the LoPy4 can be supplied with a voltage ranging from `3.5v` to `5.5v`. The `3.3v` pin on the other hand is output **only**, and must not be used to feed power into the LoPy4, otherwise the on-board regulator will be damaged.
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## Tutorials
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Tutorials on the LoPy4 module can be found in the [examples](/tutorials/introduction) section of this documentation. The following tutorials might be of interest for those using the LoPy4:
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* [WiFi connection](/tutorials/all/wlan)
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* [LoRaWAN node](/tutorials/lora/lorawan-abp)
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* [LoRaWAN nano gateway](/tutorials/lora/lorawan-nano-gateway)
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* [Sigfox](/tutorials/sigfox)
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* [BLE](/tutorials/all/ble)
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