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...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
I want to generate PWM.
I set timer2 events_compare[0] to toggle pin 1:
sd_ppi_channel_assign(PWM_LED_HI_CHANNEL, &(NRF_TIMER2->EVENTS_COMPARE[0]) ,&(NRF_GPIOTE->TASKS_OU...
hi, I have posted a detailed problem using Eclipse on Vidar's tutorial.
Any help is appreciated.
See following link:
devzone.nordicsemi.com/.../
Thanks!
Hello everyone, I'm severely struggling to perform a simple task. I must be missing a very simple answer and, I hope with your help that I resolve the issue.
I am trying...
I want to send a data of length 1024 bytes over the ble UART , but the maximum length of data is 20 bytes at a time. Is it possible to increase the data length per instance...
Hello!
I try to use "ble_default_bootloader_app.hex" with my app to allow OTA option for my device. (nrf51822 and SDK 7.2.0) With NRFToolbox I can connect to the device ...
Hi all,
How can it be that sd_ble_gatts_sys_attr_set function returns BLE_ERROR_GATTS_SYS_ATTR_MISSING?
With the first and second connect it returns success but the...
I saw that each CCCD or sys_attr should be persisted per connection, does it mean it should be saved on flash to be restored during next connection for same device ?
and...
If iOS of BLE master sends 4 packets of the same write characteristics with MD bit in the same connection event, how does SoftDevice of BLE slave work?
The ble_event_handler...
Is there a summary of potential pitfalls, i.e. issues which are asked repeatedly by users in these forums regarding HW/Schematic/PCB design for NRF BLE chipsets. Making mistakes...
I just published my port of a new FreeRTOS operating system version for the nRF51x22 and the nRF51 SDK 8.x.x to github.com/.../freertos_nrf51 , the README is copied below...
I am trying to implement some write to flash, and started by integrating the relevant functions from the example code I found in this thread .
I added a dummy write function...
Hello,
I'm building an aplication with multiple nRF51822 beacon modules. I'm using dual mode S130 softdevice. Sometimes, when beacon recieves a lot of messages, and forwards...
I'm trying to erase the page 32 of a nRF24LU1+ via SPI (using a Bus Pirate).
What I did so far:
Display the first 16 bytes of content of page 32: 0x03 0x40 0x00 0x10...
I have a switch connected on the nRF51DK Board. The switch is connected on PIN25 and PIN 28. I try to read the state of the switch.
My setup:
-nRF51DK
-SDK8.1
...
