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hello, I uses NRF51822 to make a beacon with RTC. When it works initially, the churrent is small about 330uA，but after a few minutes it becomes 1.1mA and stable. I donn't konow why.
Hello. Engineers. I'm a beginner in nRF52832, I'm looking for someone who can help me. I have nRF52832 development kit. I tried examples blankly with SDK14.0. It working well. examples are correct. After power on board and ... (more)
Hello, deavteam. This is MANGO.
The Capacitive Touch on the nRF52 series blog post is really impressive.
I'm planning to start a haptic driver project using TI's DRV2605 driver, an LRA (Linear Resonant Actuators), and Nordic's nRF52 ... (more)
I am new to nRF development and purchased the nRF51-DK (PCA10028). I have successfully experimented with the examples for ble_app_uart and lpcomp. My Application will require a a combination of these two examples. As such I have added ... (more)
I have got a Raytac module MDBT40(nRF51822) and development board nRF52832. Now I want to program the module using the development board. I have followed this video ( Programming and debugging custom nRF5 devices) and few blogs to make the ... (more)
I've been trying to figure out the duty cycle on the low_power_pwm and it looks pretty buggy to me (SDK v13.0.0). Some of the low_power_pwm code considers duty cycle to be a scale, and some of it ... (more)
Hello. I have a ttl converter (https://goo.gl/images/uFSPHN). Can I write a hex file through it? What are the possibilities to program so as not to buy a debug card?
Hello, I need to read SAADC input pin of nRF52832 that is multiplexed and wonder what the optimal strategy is to implement that.
Especially: setting a ppi channel so that a timer compare event is triggering sample task in SAADC ... (more)
DSP is Digital signal processing，But I first came into contact with the word，I don't know what is DSP？ Do you have any relevant documents to explain the words？ The second question, I want to know the difference ... (more)
I am trying to configure the CryptoCell on an NRF52840 to use AES-CBC encryption with PKCS7 padding. When I call the following function, it returns SASI_AES_ILLEGAL_PADDING_TYPE_ERROR:
SaSiAesUserContext_t ctx; SaSiError_t err = SaSi_AesInit(&ctx, SASI_AES_ENCRYPT, SASI_AES_MODE_CBC, SASI_AES_PADDING_PKCS7);
Is Padding supported for AES-CBC ... (more)
Hello I am using nrf51822 .The function of DFU has worked well,but some weird problems puzzle me. 1、After DFU is successful,what is nrf51822's working state? Does it reset?From bootloader?Or directly enter into the BANK1 ... (more)
Hello Nordic devzone,
I'm using Mesh SDK and nrf52PDK, and i'm using light_switch example. could you please let me know that if it is possible to broadcast a message from one of the server nodes and receive the ... (more)
Currently, my team is developing a BLE keyboard which uses 6KRO protocol. Are there any examples for the 6KRO protocol using nRF52 chips?
Currently I am trying to test DCDC mode on my custom board nrf52832. After soldering 15nH and 10uH on DCC(pin 47), I issued the following command after softdevice enabled:
It returned SUCCESS.
However, since I do ... (more)
Situation: Trying to upgrade previous versions of the SD and BL (V3.0.0) to (V5.0.0) Problem: device power cycles after a new application is flashed to the device into the V5.0.0 SD and BL.
Steps ... (more)
We have made a custom PCB using the NRF52832 chip. While it was working fine for a couple of days, it suddenly stopped working and went to a hard fault. We are not able to figure out the reason ... (more)
We have made a custom board using the NRF52832 chip. The device is in hard fault mode and we believe it may be because of the corruption in internal memory. We wanted to check whether the Factory information resistors ... (more)
Hello, I am using nrf52840 PDK, sdk 13.0.0. I managed to read accel, gyro data from the MPU9250 using MPU library based on this example. However, I got magnetometer reading 0. I've checked this question and this ... (more)
I am trying to configure P0.9 as output and toggle this pin. It is no possible but if I change the number of the pin then I can see the modification of the output value.
I can not understand why.
I want to implement a multi-protocol firmware stream on nRF52 chips. Does the S332 softdevice ANT Blaze for MESH applications?
app_time_tutorial.zip file I downloaded for the Application Timer Tutorial does not contain a
sdk_config file despite the
#include "sdk_config.h statement included in multiple files. Therefore, the project does not compile, and throws multiple instances of this error ... (more)
The mesh health model state is not restored following a reboot in the current version of the Mesh SDK using the light switch example.
According to the documentation, the configuration should be restored automatically so I think this is a ... (more)
Current latest JLink firmware won't allow PPK working with DK RTT debugging.
The cause is the JLink chip on the DUT board won't put the SH_SWO/SH_SWCLK/SH_SWDIO in hi-Z mode when SH_VTG is grounded, which prevents the ... (more)
Hi, I want nRF51822 BLE to search for a specific mac address device and if find it, turn on a LED. I'm new, so please explain in detail. tnx
I am having problems getting my client to connect to a peripheral I have gone thru the central tutorial and tried many things here on the devzone to no avail.
state: s140, multirole_lesc sdk 14.2
On the peripheral side ... (more)
Hi. I took the ble_central/experimental/ble_app_blinky_c example and modified it for my needs. It works on the nrf51-DK. Now I want to use it on a custom board with nrf51822qfab. I modified the Makefile in the following way:
changed ... (more)
Hi all, I'm currently building a bootloader suitable for Dual Channel DFU and SD132. It is on nrf52832, currently on PCA10040. Although the linker script works, and creates a hex file, I am left with an app_error_code 1 after ... (more)
Is there any possibility setting that let Gazell device broadcast data and receive from multiple host
Hello Nordic Forum!
Our product relies heavily in the TWI Bus, we use it to communicate with different sensors periodically. The most "important" one is read once every 4 ms.
Additionally we have a TWI controlled IO expander, which has ... (more)
I'm using the example dfu/bootloader_secure_ble for NRF52832 (PCA10040 board) in nRF SDK 13.0.0 version and on my mobile the "nRF Connect" application.
If I use Keil uVision to compile the bootloader I can see and ... (more)