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...
So its seems nrf9160 docs recommend having VDD_GPIO only at 1.8v ... that running at 3.0v (or 3.3v) will compromise LTE performace.
I have 3.3v rail and 3.3v SPI device...
Hi Folks,
I'm trying to use the Power Profiler Kit. Unfortunately I keep getting 'Failed to start the PPK'. I've updated the drivers (and can program the nrf52832 DK with...
In the nRF52840 Product Specification v1.1 ( HTML ) , description of the QDEC peripheral, Table 77 on page 275 ( direct content link) , it appears to indicate that the LED...
Hi,
We have an freertos based app (SDK14.2).
Recently we have added a WDT support in the following manner:
The init code initializes the WDT reload value to T+3...
hi all, i am using the uart with it's dma to transfer data into the nrf9160, but some of the data is lost in it's way. here are some examples of the loss count in bytes from...
Hello,
I'm using several nRF52840 boards to setup a bluetooth mesh network. Im using the python script "interactive_pyaci.py" to setup the mesh. The mesh is working and...
Hi, As the title asks, I am using the lte_ble_gateway example project on the nRF9160 DK. I am able to connect one nRF52840 DK to the nRF9160 DK over BLE. I am trying to connect...
We have a board that has become unresponsive to programming. It worked well to program about 4 times and then is no longer responding to the J-Link device. The application...
Hi,
I tried implementing serial communication between nrf52832 and HT1632.It didnt work.In HT1632 data sheet it has given following specifications
will nrf52832 supports...
I am trying to build the simplest nRF52 BLE Peripheral application (Lightbulb use case). I am facing below mentioned errors:
Building ‘ble_lightbulb’ from solution ‘ble_lightbulb_pca10040_s132...
Dear all,
I'd like to use 2 spi and 1 i2c at the same time. Can nrf52 support? I read some thread said that only using 1 spi and i2c or 2 spi. Please advice.
regards...
I'm using SAADC like this:
And I'm not getting the done event. I've also tried not low power mode.
If I place a breakpoint in nrfx_saadc.c nrfx_saadc_irq_handler, after...
I'm compiling a custom application using the CMake scripts in the nRF mesh SDK , and I'm trying to print floats using vsnprintf (I'm guessing the problem is the same as with...
Hi,
We are using nRF52 DK tool to sniff BLE data. We we using Wireshark plugin to interface nRF52 DK tool. nRF52 is updated with latest firmware. We keep the tool in between...
