Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
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 am struggling to find a starting point to be able to program the beacons. I'm completely new to this but want to be able to change the tx power so that they are only visible...
In my application, a static passkey is given to the user(I have implemented static pass key in my application and it is working).
Suppose the Nordic device is advertising...
In "ble_app_hrs_freertos" project, I try to change NRF_SDH_BLE_GAP_EVENT_LENGTH to 320 and NRF_SDH_BLE_GATT_MAX_MTU_SIZE to 247.
And when I try to connect to the nrf52832...
Hi ,
I evaluate the I2c communication of your chip nrf52832.
I have few problem.
Write fonction
Is use your Tx fonction,
uint8_t reg[2] = {CCS811_REG_MODE...
Hello,
I used translation software.
I enter system on mode from the power_manage of the function.
But I do not understand system on mode.
In the system on mode is...
Hi,
After using comand line --rbp, recover fail,the nrfjprog error log as below:
--------------------------------------------------------------------------------
nrfjprog...
Recently I have been learning ble_app_uart routine, here is a question
When receiving the message sent by the client, nus_data_handler this function will be softdevice...
Hello,
I succeeded to port s110 & sdk9 to s140 & sdk14 which was a problem before.
What we need to do now is to compare the performance of BLE devices with s110 & sdk9...
Hi, I am a beginner programmer and I have the next problem.
I am working with nRF52832 SDK 12.2 trying to send AT commands to an ESP8266. I send the AT commands byte by...
Hi all
According to errata 146 of the nRF52832 Rev 1 errata sheet V1.5, the LFRC oscillator has a frequency tolerance of 500ppm instead of 250ppm.
What are the consequences...
I have a bootloader compiled from SDK 14.0, and when I try to upgrade to 14.1, the new linker script (secure_dfu_ble_gcc_nrf52.ld) does not contain the UICR_BOOTLOADER memory...
Hi,
I'm using the nrf51822 and I want to merge Server and Client roles in one Peripheral device. I am already able to send a history of temperature and humidity measurements...
Sometimes when the method RequestData is called after receiving a notify on the characteristic, the Master Emulator seems to hang for a set amount of time before throwing...
