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...
Configuration is all 12 combinations of the following 3 x channels, 2 x modulations, and 2 x bit rates were tested to find the worst case. More substantial testing was to...
when i upload the hex file of a s132 softdevice example program through nRFgo studio,
its shows hex file uploading failed and shows this message "Invalid SoftDevice, data...
Hello Everyone,
I am facing an issue when trying to connect back BLE central again after disconnecting it from the BLE peripheral once.
The issue is reproducible as follows...
If I want to send two byte, how can I do? I use the https://github.com/NordicSemiconductor/Android-nRF-Blinky sample code.
In BlinkyManage.jave
public void send(final...
hi All!
I'm trying to use new SD140-6 function sd_ble_gap_adv_set_configure() , according to spec. if last PARAM is NULL, function behavior : " When this function is used...
Hello, there was a strange problem in the mass production of my product. The previous batch of problems was less, about 0.5%. The later batch is quite serious, 45 of 500 products...
Hej,
on trying to update firmware on nrf52832 over the air I'm getting the error message INSUFFICIENT_RESOURCES.
Actually I don't understand the error message because...
I want to put the BLE program to the firmware of another STM chip and load the program via the I2C to the nrf52832. Will it work? If yes, is there any tutorial or example...
Hello,
I'm using nRF5 SDK with version 15 and nRF52832 IC. I want to sample some data with 3200Hz sampling rate. I can set the timer minimum 1ms Which means 1000Hz. How...
I want to write at the end of memory ROM data in address 0x7FFFF
uint8_t tst_arr[1] = {6};
sd_flash_write((uint32_t*)0x7FFFF, (uint32_t*) &tst_arr, 1);
Is it correct...
Hello ,
System configuration
Set up 1 Adafruit BLE Feather running stock central UART example from NORDIC SDK version 15.0`examples connected to host PC using USB
Set...
The dedicated NFC pins on the nRF52840 are P0.09 and P0.10. However, these are noted as "Standard drive, low frequency I/O only " pins, with "l ow frequency I/O" defined as...
Hi, I'm facing an issue after provisioning the Client and Servers from Light Switch example of Mesh SDK 2.0.1, using the Android App. Provisioning is successful, however,...
Hello,
Following on from this question , I've been trying to identify the source of unexpectedly high power consumption when using the RTC. In order to test this, I am using...
Hey all, I am using an NRF52 DK and am trying to combine the 'pwm' and 'ant broadcast' examples. Both examples compile fine on their own, but when I try to combine I am getting...
