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PolyMCU is an Open Source Framework which has been designed to be as flexible as possible: host OS independent (support Linux, Windows, MacOS), support any toolchain (GCC, LLVM), any RTOS (ARM RTX, FreeRTOS), any micro-controller vendor SDK (Nordic Semiconductor, NXP, Freescale, ST). The framework is based on Cmake.One of the major benefit of the framework is your firmware development is unified across the different development environment and MCU Vendor SDKs.PolyMCU is not ano...

In December we published a video showing a long range test with the newly released nRF52840 chip. The video showed that the nRF52840 had excellent range, and is fully compatible with the new Long Range feature of the just released Bluetooth 5 specification. This blogpost will go into more details about how this test was done. Below is the video for those that have not seen it yet.The setup consisted of two nRF52840 Preview Development kits, one transmitter (TX) and one receiver (RX). Both kits were connec...

Program the boards Connect all the boards to the PC cd to <install_directory>nRF51_ble_broadcast_mesh_0.8.7\nRF51\bootloader Open a command window in that directory Run .\pc-util\for_loop_batch_nRF52 this will program all the boards connected to the PC. Take 4 boards off and connect to a USB hub connected to a Charger Determine the COM port of the remaining board by going to Device Manager>Ports (COM & LPT)  Use DFU over the air to program the boards. CD to <install_director...

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I am usinf sdk 13.0.0. for nrf52840. I didnt find any crypto example for IAR? why is it so?...

MIN_CONN_INTERVALMAX_CONN_INTERVALSLAVE_LATENCYCONN_SUP_TIMEOUTHey guys, I want use my device with Android as well as iOS, but i am facing some issues for data sending over BLE... **I am getting errors like 0x3401, 0x3004...** Anyone can help me for this, what will be the parameters value, which can be suitable for android as well as iOS. In android app, i have set latency on High... And in nRF device it is 3... Please suggest if any changes is necessary...If any changes necessary from iOS App or Android ...

Hello,My setup:PCA10040 DK,12.2 SDKI copied the "BLE_APP_UART" example into my project folder and want to "upgrade" it with the TWI.So I copied parts of the "twi_scanner" and the "twi_master_using_app_twi" and tried to understand the procedures.But when building the project I always stumble across this error: \main.c(89): error: #20: identifier "TWI0_USE_EASY_DMA" is undefinedI came across this [question](https://devzone.nordicsemi.com/question/111877/unde...