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51 lines
1.8 KiB
Markdown
51 lines
1.8 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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> Note: Orient the RGB LED / reset button over the USB connector on any expansion board
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**Store**: [Buy Here](https://pycom.io/product/lopy4/)
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**Getting Started:** [Click Here](/gettingstarted/)
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## Datasheet
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The datasheet of the LoPy4 is available as a [PDF File](/gitbook/assets/specsheets/Pycom_002_Specsheets_LoPy4_v2.pdf)
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The Lopy 4 is certified for [CE RED](/gitbook/assets/C03-B0-RED-final.pdf) and [FCC DSS](/gitbook/assets/Pycom-2AJMTLOPY4R-FCC-Grant-DSS.pdf)
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[RCM](/gitbook/assets/RCM-Lopy4.pdf)
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[ROHS certification](/gitbook/assets/RoHs_declarations/RoHS-for-LoPy-4(8286-00027P)-20190523.pdf)
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## Pinout
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The pinout of the LoPy4 is available as a [PDF File](/gitbook/assets/lopy4-pinout.pdf)
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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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## Notes
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### Power
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Do not use the 3.3V pin **in combination with** the Vin pin to supply the device as this will damage the voltage regulator on the board.
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### Antenna placement
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Always attach the appropriate antenna when using a wireless connection (LoRa / SigFox). For WiFi / BLE, it is not mandatory to use an external antenna when you did not explicitly specify this in your code.
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### Power
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Do not use the 3.3V pin **in combination with** the Vin pin to supply the device as this will damage the voltage regulator on the board.
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### Antennas
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Always attach the appropriate antenna when using a wireless connection (LoRa / LTE). For WiFi / BLE, it is not mandatory to use an external antenna when you did not explicitly specify this in your code.
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