Nordic DevZone

Recent and unreplied - Help your fellow developer and earn points!

Not Answered
nRF54LM20 FOTA BLE doesn't swap images 0

Hello I need some advice on FOTA via BLE on the nRF54LM20B. I managed to get FOTA working to upload an updated image via BLE, but after a reboot, the new image doesn't load...
10 views

0 replies

Started 1 hour ago
by iotdeveloper
Not Answered
the min current in nrf5340 ncs sdk 0

I am using the nRF5340 development board to program the LBS example from the NCS SDK2.7. After system-off, the current is still several tens of microamps, which differs from...
30 views

0 replies

Started 9 hours ago
by pipixia_1_1
Not Answered
Unable to add HW device to Cloud Device Management 0

When trying to add the device to the Nordic Cloud Device Management interface, I get the following error. "There was an error adding your device: No device found for this...
21 views

0 replies

Started 9 hours ago
by Ade
Not Answered
nrf52dk cannot find max30101 breakout board over i2c 0

Hi, I am using the heart rate sample. I have connected ground to ground, 3.3v to vdd, SDA to pin 26 and SCL to pin 27. I have 4.7k pullup resistors on SDA and SCL. When...
22 views

0 replies

Started 11 hours ago
by hemmie
Not Answered
Struggling to isolate custom nRF52840 board from DK on-board debugger 0

Hi, I am developing a custom PCB based on the nRF52840 and am currently trying to flash/debug it using an nRF52840-DK (PCA10056) as an external debugger. connected devices...
26 views

0 replies

Started 14 hours ago
by lassey0

Recent in the DevZone Blog

ROM and RAM Management

Øyvind Karlsen

Introduction Here are some tips and tricks to manage your application size. RAM and ROM usage The total RAM usage is: ZI-data + RW-data The total flash usage is: Code + RO-data + RW-data …
- 28 Jul 2015
Controlling an RGB LED with Nordic nRF51-DK

Mahesh Venkitachalam

Using PWM and Nordic UART Service on nRF51-DK (nRF51822/nRF52422) to control an RGB LED over BLE. http://electronut.in/nrf51-rgb-led-test/
- 25 Jul 2015
Intro to Application-level Security Using the ECB Peripheral

Daniel Veilleux

Obligatory Disclaimer Security is hard. If a product handles sensitive information then it is the engineer's responsibility to his customers to consult a security professional. However, experimenting…
- 22 Jul 2015
Talking to Ultrasonic Distance Sensor HC-SR04 using nRF51822

Mahesh Venkitachalam

Communicating with Ultrasonic Distance Sensor HC-SR04 using nRF51-DK (nRF51822/nRF51422), and transmitting measured distance over BLE UART. http://electronut.in/nrf51-hcsr04/
- 20 Jul 2015
Getting started with nrf52832

FormerMember

The nrf52832 is quite a competent System on Chip. Even with the long list of errata for the preview release this chip packs a punch. I've been playing around with this chip for sometime now and have made…
- 19 Jul 2015
nRF51 production: program whole flash with one image and start with app mode

Jun Qing ZOU

Recently, there are a few queries from Japanese customers on nRF51 production. Basically the expectations are - Program the flash as a whole, including bootloader, application and soft device - Target…
- 17 Jul 2015