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 measured the conducted power on the PCA10028 demo board and get ~2dBm out when I set the output power to +4dBm. It appears the PCA10028 is using a discrete balun. Is 2dB...
Hello,
Setup:
SDK 9.0
SD 8.0.0
I have an application where we are using Pstorage to store persistent system settings.
When I flashed the device we were using this...
Dear All,
I'm a beginner in programming of Nordic component.
I try to synchronise the date and the time between client which is an application in PC and a component...
I'm currently developing a concurrent central/peripheral application using the nRF51, S130 and SDK 9.0.0. It uses the Nordic UART Service, and it would be nice to make use...
Hello,
Is it possible to use EasyDMA directly with nRF52 SDK without using one of the higher level libraries that use it, i.e SPI / UART? I am interested in implementing...
Hi:
I want to let link manager controllby by me. for example, I want to ask link manager to emit such LMP_test_control, LMP_activate command via HCI. how to do by nRF51?...
Hi:
for nRF51
I want to send command to link manager by HCI command ,or example LMP_test_control, LMP_Activate , etc. Could I modify firmware to do it ?
thanks;
All...
Hello,
I have an issue that I can't seem to sort out involving the PWM module. I am currently using SDK9.0 and SoftDevice S110 V8.0 and I am using the stock PWM files from...
I have a nRF51DK. And I would like to be able, to enable/disable the softdevice with 2 buttons.
Button 1 on nRF51DK --> Enable Softdevice
Button 2 on nRF51DK --> Disable...
Hello,
I am working on nRF51822 S110 softdevice 8.0 and SDK9.0. I am creating paired and unpaired states and the system will goto unpaired only if it is unpaired from the...
I know nrf51 timer0 can be configured for 16,8,24 and 32 bit modes
and timer1 and timer2 can be configured for 16 and 8 bit modes.
But what can I expect the value to be...
I'm going to star a new product development using nRF51422 supplied by a 3V battery. Since it is a low cost product the idea is to use the nRF51422 internal DCDC to provide...
Hello,
I'm using an external chip that decodes my RF transmission and outputs the data on two pins DAT, and CLK (data and clock). Currently I'm reading the data with GPIOTE...
We have written our own softdevice, but now we have a question about the stack pointer.
I read in the softdevice specification that the nordic softdevices share the stack...
