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After the release of nRF52840 Engineering B (nRF52840-QIAABB) we have received several inquiries about the difference between Engineering A (nRF52840-QIAAAA) and Engineering B layouts. One reason for the inquiries is that after swapping Engineering A with Engineering B customers experienced that the radio stopped working. The symptoms being that everything but the radio seemed to work in their application. While this is highly unfortunate, it is actually expected because there was a vital design change in...

Hello,I am Ilya from Space-O, Russia.We are helping Enterprises generatemore funds by automation of theirroutine daily processes with IoT/smartsolution and Mobile apps. Also helpingmature Startups with the delivery oftheir Products. Contact me if you wantto develop the custom Hardwareelectronic device, complex IoTsolution or Enterprise-level Mobileapp.# Tags of core specialization areas:Custom PCB design, Enclosure, Firmware, BLE/iBeacon, Native iOS & Android Mobile apps, Apple Watch, Wearables...

In mid-2017, I came across this project by James Munns. It essentially wraps the C SDK for nRF52 development boards, and provides bindings that can be called from Rust. James gave a talk to the Rust DC Meetup, remotely over video conference. This talk inspired me to buy a couple of nRF52 dev boards.I'd like to announce that here, in Nordic's official channels, because I'd like more embedded developers to become aware of it. Rust is a language that has the ability to compile down to native code with zero r...

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Hi, I'm getting the message Error: Flash Download failed - "Cortex-M4 after Downloading an S132 Blinky Example in Keil. I've previously has gotten it to work through Keil but this time around is not successful.Here are the steps that I followed:in nrfjprog -> -e --eraseallthen open example (non-softdevice) Blinky and download to the board which works fine.change to the example (soft device s132) Blinky and download to the board after changing the target device to flash_s132, and the whole Keil fre...

I need to add two more led pins - #10 and #30 - to that board, but I don't know what to do with LED_START and LED_STOP lines, and so far, it is difficult for me to trace any occurances of those two in my project. ...

I am running the NRF52832 (BMD-300 module) and I'm trying to talk to battery over SMBus. SMBus is compatible with devices *up to* 100 KHz.I was wondering if there was a way to talk to an I2C device on the NRF52832 with a lower clock rate than the 100 KHz rate given in the TWI library. I see here that the frequency is not configurable beyond 3 predefined clock rates, 100K, 250K, and 400K.http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf52%2Fdita%2Fnrf52%2Fchips%2Fnrf52832_ps.htm...