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Thingy:91X: no path to ECDSA without a larger TF-M partition 0

The Thingy:91 X board files allocate only 32 kB to the TF-M secure partition (slot0_s_partition). This is too small to support CONFIG_TFM_PROFILE_TYPE_MEDIUM, which is required...
25 views

0 replies

Started 7 hours ago
by cwalstad
Not Answered
nRF9151 Band 71 Support 0

Why doesn't the nRF9151 support Band 71? It has excellent penetration for IoT applications. Thanks
26 views

0 replies

Started 16 hours ago
by Jonsiann
Not Answered
nRF54L15 — External ESD Protection for IEC 61000-4-2 Compliance 0

Hi, I am designing a PCB using the nRF54L15 (QFN, 3.3 V system) that must meet IEC 61000-4-2 Level 3 (±4 kV contact / ±8 kV air discharge). The on-chip ESD rating is only...
- development
- pcb
- nRF54L15
- hardware
33 views

0 replies

Started 16 hours ago
by NandanS
Not Answered
nRF54L15 – Direct Access to Channel Sounding (CSTONES/RTT) Hardware Without SoftDevice Controller 0

I am developing a proprietary 2.4 GHz distance measurement with two-way phase-based ranging and RTT on the nRF54L15. I intend to control the RADIO peripheral directly, without...
34 views

0 replies

Started 23 hours ago
by Abdel0
Not Answered
nRF52840 TWIS hangs after WRITE_REQ with CONFIG_UART_ASYNC_API enabled; CONSTLAT prevents failure 0

I am seeing a reproducible interaction between asynchronous UART support and the TWIS peripheral on an nRF52840 running NCS v3.4.0. The application uses nrfx TWIS to implement...
- development
- software
- nRF Connect SDK
- nrf52840
- twi
35 views

0 replies

Started 1 day ago
by Guenther

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Nordic Semiconductor nRF51822 Firmware for Background Data Recording

scytulip

#Nordic Semiconductor nRF51822 Firmware for Background Data Recording Updating on https://github.com/scytulip/nrf51-back-rec Design Objective This firmware is designed for low-cost long-time low-power…
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Nordic nRF51822 ARM Cortex-M0 Development using emIDE

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Beacon Kit - Mistake in Ref_Design_UG_v1.0

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I connected the programming header as described in "nRF6930_Beacon_Ref_Design_UG_v1.0.pdf" 5.5.4 Programming interface. I was trying to program Beacon Kit but failed many times then I compared it with…
- 10 Oct 2014
SD card interfacing

Salman

Hi, I have written SD & SDHC card routine for reading, writing and erasing data from SD card. It used the hardware SPI of nRF51822. NOTE: 1)Define the PINs of SD card first before initialing. 2)Define…
- 10 Oct 2014
How different BLE packet types influence throughput

Stefan Birnir Sverrisson

There are several types of write operations, write request with authorization, write request without authorization and write command. You can see message sequence charts for those messages here and he…
- 9 Oct 2014
Measuring Lithium battery voltage with nRF51

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Here is an example of a hardware setup to measure the voltage on a Lithium battery with a voltage divider and a connected capacitor. The Lithium battery typically has a voltage range of 2.7 - 4.2 V and…
- 2 Oct 2014