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NFC pinouts on Fanstel BM20C/NE/XE 0

Can anyone verify what two pins are used for NFC on a FANSTEL - BM20C module? I've been in contact with Fanstel for over a week, but they haven't given me a definitive answer...
- development
- nRF54LM20A
- nfc
- hardware
9 views

0 replies

Started 10 minutes ago
by mej7000
Not Answered
nPM1300 LOADSW1/LDO1 quiescent current issue — XIAO nRF54LM20A Sense 0

nPM1300 LOADSW1/LDO1 quiescent current issue — XIAO nRF54LM20A Sense Status: unresolved as of 2026-08-27. Written to summarize the investigation for external reference ...
43 views

0 replies

Started 12 hours ago
by Thiery
Not Answered
Design Review - nRF52840 BLE Application with Johanson Chip Antenna 0

Hi, I have designed this PCB in KiCAD to send temperature and humidity data via Bluetooth. This 4 layer PCB has a ground and a power plane. Since this is my first RF design...
- Evaluation
- 2.4 ghz
- bluetooth le
- nrf52840
- ant
- hardware
54 views

0 replies

Started 15 hours ago
by Ahmed Bin Adil
Not Answered
nRF54L15 power domain of power fail comparator and IRQ 261 (CLOCK_POWER_IRQn) 0

First question so I apologize if I'm missing any info. I am trying to implement the the power fail comparator on a low power battery system running a nRF54L15. Idle current...
34 views

0 replies

Started 17 hours ago
by Nathaniel Hoaglund
Not Answered
Looking to hire an ANT+ developer (software only) for nRF52840/nrf54L 0

Hello all, I am looking to hire a developer experienced with ANT+ together with BLE and the nRF52840 SoC, possibly the nrf54L10. I am looking for the coding for the...
- development
- software
- nRF54L15
- bluetooth le
- nrf52840
- ant
- nRF54L10
114 views

0 replies

Started 2 days ago
by NikolaB

Recent in the DevZone Blog

Writing BLE firmware with a few lines of code

Nguyen Hoan Hoang

Writing a BLE firmware can now be done with a few lines of code. The code example bellow is all you need to write for a non-connectable BLE firmware that advertise a counter value every second in the…
- 29 Dec 2017
nrF52 Tutorial: ETM Instruction Trace with Keil MDK

Bob Boys

Hello I wrote a tutorial on using the nrF52 Development Kit with Keil MDK. www.keil.com/appnotes/docs/apnt_308.asp This document features essential debugging capabilities of the nrF52 series. ETM Instruction…
- 15 Dec 2017
One minute to understand BLE connection data package

viewtool

1.Profile During connection procedure of BLE, there are three packages: SCAN_REQ, SCAN_RSP 和 CONNECT_REQ。 SCAN_REQ： Scan request, issued by MASTER DEVICE, send to SLAVE DEVICE，sent by the Link Layer…
- 15 Dec 2017
One minute to understand BLE MTU data package

viewtool

1.Profile MTU: ATT Maximum Transmission Unit (MTU) is the maximum length of an ATT packet. The ATT MTU is defined by the L2CAP and can be anywhere between 23 and infinity. The implementation of the Bluetooth…
- 15 Dec 2017
Debugging on nrf52840 with GDB from CLI on linux

jfcamel

Today I tried to find the better ways to debug program on nRF52840 PDK from CLI on linux. The ways that I tried [Failed] openocd (both stlink and jlink) & gdb [Succeeded] JLink & JLinkGDBServer &…
- 14 Dec 2017
The KEY POINT of example "ble_app_uart"

QQ645116977

This article baed on "pca10040", nRF52832 example code path "examples/ble_peripheral/ble_app_uart" IMPORTANT!!!! board config file of this example located in "components/boards/pca10040.h" and uart…
- 12 Dec 2017