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It's my first post here so let introduce myself : I'm a 25 y.o. French electronics engineer and hobbyist. I also like skating (inline skates and ice skates) mainly slalom, jumps, speed run, street ride... And I ... (more)
I want to use Timeslot API in order to gain uninterruptible period of time (1 second~) along with running Softdevice - just single one, not periodical.
I've changed connection parameters to include longer connection supervision timeout and slave latency ... (more)
I'm using a 51422 for a very short range, fixed system. I will never need the chip to receive or be received from more than 5 meters away, and more often just 2-3 meters. On my custom PCB the ... (more)
I am getting confused when using nrf_gpio_cfg_input(PIN_12,NRF_GPIO_PIN_PULLDOWN) should i keep it as NRF_GPIO_PIN_PULLDOWN,PULLUP or should i use NRF_GPIO_PIN_SENSE_HIGH. I want to connect a button to pin 12 and depending on whether it is high or low switch ... (more)
My application does the following:
I'm working on a proximity beacon application using the nRF51 DK and a Nordic Beacon. The application basically has the nRF51 DK connect to the Beacon and monitor the RSSI. If the RSSI changes dramatically, execute a series of ... (more)
I'm wondering if it can be work as an DFU Controller (where sends zip Distribution Packet) not as an DFU Target.
I'm trying to make Each of the NRF51 Cores to be updated and make update each other ... (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)
I am using a custom board with a nrf51422, SDK11, S130 v2.0.1 with central role.
I have made changes on the code to change from MID bandwidth to High. I added the following code to the
ble_stack_init ... (more)
I'm using Keil5 to compile example of SDK v12.2. And I'm trying to understand each of Source code to understand how each of it is consists of.
I opened an example "SDK/Examples/peripheral/blinky/pca10028". (I ... (more)
I have some difficulties to make an ant acknoledgement with my nrf51422 (s210), and i would be grateful if you could help me with it. (SDK used 12.2)
I have 2 modules nrf51422 that communicate in ant:
I have set up raspberry pi 3 as a border router and programmed the the nrf51422 using the iot_ipv6_coap_server_pca10028 and could successfully switch on and off led3 and led4 using copper coap, which example to use in the iot sdk ... (more)
I have an application that perfectly runs in the nrf51DK but that does not work in my custom board. In my custom board everything else works (i2c, leds lighting, etc..) except for the communication related stuff. The weird ... (more)
I have an application that perfectly runs in the nrf51DK but that does not work in my custom board. In my custom board everything else works (i2c, leds lighting, etc..) except for the communication related stuff. I think ... (more)
I have set up raspberry pi 3 as a border router and programmed the the nrf51422 using the iot_ipv6_coap_server_pca10028 and could successfully switch on and off led3 and led4 using copper coap,can i control pin24 on nrf51dk if yes ... (more)
upload.jpg undifined symbol rfgpio_cfg_output(refered from main)
I want to include this library (https://github.com/jrowberg/i2cdevlib...) in my project, which is an evolution from ant_ broadcast example, in C. However, and after reading several related posts, I am not able to compile my ... (more)
I' am working on a Bluetooth application and have a problem with the transmitting time of the Bluetooth.
In this Screenshot you can see the end of my command which i want to send from my NRF422 to ... (more)
I have a nRF52-DK and I am trying to programme an external designed by myself but this one contains the nRF51422 chip. I am using nRFGO Studio to upload the .HEX file.
Do you know if it is possible ... (more)
we use nrf51422, rev 3, sd 130 1.0.0, with ble central functionality and we look for a example to set the tx-power as high as possible.
I would like to set the the fstorage memory location manually through fs_init() within SDK 12.1, but I am not sure how to do this. There's comments that is can be done manually, but I do not know ... (more)
For my application, I want to have the absolute acceleration (without gravity) from a MPU6050. I know that this device can do that because it has 6 axis and a Digital Motion Processor (DMP). Do you guys have ... (more)
im working on some sort of application transport layer for ble and have some questions to better plan what i need and what is kind of redundant. Is it correct that in the lower layers of the ble ... (more)
I have an accelerometer that utilizes IC2 (NXP MMA8452Q) that I am trying to integrate with the nRF51 DK. The accelerometer is on a breakout board, and is wired up very simply using the SCL, SDA, and the power supply ... (more)
I have got a project running on an nRF51422 QFAC, using the lastest SDK.
I am having some problems with the app_timers, i am able to create and start them, and they work ok, but i cannot stop ... (more)
we have two nrf51-dks and we wanna create a ble mesh. how can we set a ble mesh and same time ble advertising on Nrf51422 DK (PCA10028 V1.2.0) Board with using examples on http://github.com/NordicSemiconductor...
hi in this i see the Capacitive touch library . can i use it with nrf51422?
I'm developing simple bluetooth app, where I'm using 3 custom services, each one has characteristic with notification option.
But only the first service notification is working. The other 2 characteristics send notification without error (device side), but ... (more)
I am laying out a board in altium using the nRF51422 - just cutting out the essential pieces in the silk box from the nRF51 DK altium project.
I have some concerns. Once I have removed the arm3 mcu that does ... (more)
I am trying to figure out the relation between a certain page number (say, 0xFE) and the group of addresses that it contains. How can I get this relation?