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...
I have a problem initializing the ble stack when I'm starting my application via a custom bootloader. I'm using the nrf52832 device on a custom board.
My application has...
Hi!
I have interface external piezo element with my ARM controller to get the piezo data. But after sometime my controller is off. I didn't getting why this problem happens...
For ble central devices on nrf52, there are problems with the internal rc slow clock. When I load the project ble_app_uart_c onto the PCA10040, everything works as expected...
Hi, I have a problem with advertising on nrf52840q1aabb chip. I used example code ble_app_template on nrf52840q1aaaa revision and everything works fine but after changing...
Hello,
I have in a multi-sensor application some actual data (including RTC) which appear continuously and which have to be saved in an external RAM connected by I²C. All...
Hello,
I am using 14.0.1 sdk, and hope to use DFU (Secure bootloader),
I am trying to use buttonless app in my app (uart example app),
when copying some codes related...
When I try this demo project, got below information from RTT. Any problem with it? How to deal with it?
Thanks.
RAM START ADDR 0x20002080 should be adjusted to 0x20001FE8...
Does anyone know where the nRF52 Online Power Profiler that is detailed in this blog has been moved to or if it has been deleted? The webpage can no longer be found.
It...
Hi all:
My customer has different IC revision of nrf51422,one is QFAAEx0,the other is QFAAFx0.
I see the "nRF51422 IC revision overview" ,QFAAEx0 is revision-2 ,the...
Hello.
Is it possible to flash 51822 on SDO and SCLK lines using another same chip? Are there any manuals for the SDO / SCLK interface for 51822? Maybe there is already a...
Hi,
We are using SD110 with SDK 7.2.0 in our application
Our application needs to be quite accurate in timing
We set out to determine what the accuracy of the TickTimer...
Hi, the configuration for the 9-axis sensor used in Thingy is interesting where a switch is used to cut the power line from the sensor. From the description:
The motion...
Hello,
I do know that it is a lot of information here in dev zone about this topic but I need a confirmation from a Nordic employee. We had a disscusion at workplace wheter...
I've just read the BLE Mesh documentation, very informative, but I still have some questions related to the concept and implementation, which are:
Can a device toggle...
Dear all,
I have made a nRF52810 module according to the reference circuit in datasheet and connect it to my PC via Segger JLink & SWD. Only 1 out of 3 notebook I tried...
