The Arduino IDE supports ATMEL AVR micros and many more with addons.

It's useful for board evaluation and testing.

Download

This only works with the legacy IDE 1.8.19.

Install guide for nRF51

Zadig is required to provide LIBUSB to the IDE. When using J-Link, this is found as “BULK interface (Interface 2)”.

When trying to flash the Softdevice there will be an error about fetching the zip file. To remedy this place the hex file in the Arduino AppData folder.

AppData/Local/Arduino15/packages/sandeepmistry/hardware/nRF5/0.8.0/cores/nRF5/SDK/components/softdevice/s130/hex/s130_nrf51_2.0.1_softdevice.hex

Install guide for BLE

The Softdevice hex file is located in the SDK.