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...
Hi, I want to OOB pair two equal devices (pca10040 + NFC shield) via NFC. Since its not clear which of the two devices will act as NFC initiator (active) or tag (passive)...
Hi.
I'm trying to upgrade multiactivity_beacon scanner example to SDK 11.
But, there's no config for nrf52(pca10040) in that example.
So, I configured it myself and...
Hello,
I just purchased this device:
www.aliexpress.com/.../32399375500.html
but found out that evaluation board is only a debugger and does not actually program the...
S130, SDK 12.3, ble_app_hrs_c example.
I want to use whitelist function in this example but I can't finish it.
When I run peer_list_get(), it gets all 0xFF, means that...
While investigating connection parameter handling, I noticed the following:
The is_conn_params_ok(ble_gap_conn_params_t * p_conn_params) function in ble_comm_params.c only...
Hello,
I am working with S132 3.1.0 on a project based on FreeRTOS. Under some circunstances I set manually the value of some characteristics by using the function sd_ble_gatts_value_set...
Hi,
I am working with a nRF51822 board and I want to program in OTA. I know how to program over the air, but the only problem is that when I have a new unused board I need...
Hi,
I am adding BLE functionality to one of my existing product. I product will play the central role for which I am thinking to use nRF51822 based module.
I learned...
Hello i read RSSI in beacon_evt_handler() hrs_scanner project:
printf("RSSI: %d\n\n\n",p_evt->rcv_adv_packet.adv_data.rssi);
but he show me a wrong value of RSSI: 4539...
Hello, I connected, according to official layout design, a 32 Mhz crystal to my nrf52840. Using a 60 Mhz oscilliscope, I decided that the crystal isn't working (no sine wave...
Hi all,
I'm on 10.11.1 (El Capitan), followed the instructions here
github.com/.../pc-nrfutil
And it looks like installed was happy but when I try and run nrfutil...
Hello,
While porting a C++ application to SDK13.0.0, I ran into weird compiler errors, such as
error: #800: this declaration may not
have extern "C" linkage
...
