Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hello,
I am using a nRF52832 DK(PCA10040). I am qurious about the output impedance at RF connector "J1" on the PC board. Does it provide 50 ohm output impedance so we can...
Just two questions regarding the new nRF52840 to make sure I've understand it correctly;
For the NFC, this is passive only? So it acts like a tag and is not able...
I've been trying to for two days. Using nrf52DK, SDK12, no SD, Keil5.
All I want is to get printf() to work over ITM/SW/Debug, I'd even accept RTT if I had to. I can't...
Hey I am trying to create a blinky project from scratch on
System: MAC OSX
Eclipse Neon
GCC 4.9
I am trying have it eclipse managed make.
I am at a point when after...
Hi, I was wondering If I need to wait for a response from the server that a command was executed before executing another command or if the BLE stack takes care of this under...
Hello
i m searching for a method to send a big buffer with TWI to a slave. The Buffer is read from flash. because its a soundfile its needed to send the buffer without delay...
I am trying to set up a nrF52 -> Rpi v3 -> Exosite through CoAp as in the nrF5 iot sdk. The nrF52 to rpi works as I am able to ping the nrF52 through its global link address...
Hi,
I am writing a code base on the reference manual of nRF51422. In section 29, UART, I don't understand the differences between TASKS, EVENTS and REGISTERS. Aren't they...
Hello!
I'm trying to use the ram_retention in sdk 15 alpha to retain RAM in system off mode and do some power profiling.
The default code seems to retain 8 kB of RAM...
My project needs to use 2 different TWI instances and 1 SPI instance. I knew that it is not possible to use three instances at the same time in nRF52.
To implement 2 TWI...
Hi Nordic,
I am trying to enable the DC/DC converter on a PCA20006 rev 1.3.0.
I am using the softDevice S130.
1. Using the sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE...
Hi.
I am using saadc example code or SDK V13 with the following requirements:
Voltage input up to 70mV,
Resolution: 50uV
So I did some modification to support...
Hello,
yesterday I got a Thingy:52 device at an event held in Frankfurt/Germany. At home I've tested the DFU for the latest firmware and observed that the image was transfered...
