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 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...
Hi -
I'm using an nRF52840-DK with Segger IDE and if necessary, Gcc on a Macbook Pro. I have many years of embedded experience, but an new to the Nordic world. I'm able...
Hi!
I am trying to use the NFC " writable_ndef_msg " code along with the " ble_app_uart " code from SDK 15.0 with Softdevice s140 on nRF52840 DK. I am using keil-MDK 5...
How can I be 100% sure the nRF52832 chip is running properly?, what I do to power up the chip is feed it with a regulated voltage of 3.3V (which really is around 3.17V), on...
We use Nrf_studio to connect our board by uart to enter direct test mode.
But an error occurs in serial connection.
I want to know， use our own project program is allowed...
I have already pressed reset in the dongle, it was pulsing red. And when I write it allways says the same error. I have done this experiment in Ubuntu 16.04 and Windows 10...
Dear all,
I'm struggling writing 32 bytes with FDS in SDK 14.
This is what I do:
Init
(void) fds_register(fds_evt_handler);
fds_init();
while(!is_init) {
sd_app_evt_wait...
Hi, I am using nrf51822 Development kit with 3 buttons, each buttons has different functions. (i) 1st Button is used for the wake the module from sleep mode. (ii) 2nd Button...
Hi I using nrf51DK using keil MDK 5 softdevice s110.
I need to update battery level on every 60s and I have initialize timer and start with this code.
static void battery_level_meas_timeout_handler...
I'm trying to implement extended advertising, using BLE_GAP_PHY_2MBPS to offload 255byte advertisement payload to channel data, defining BLE_GAP_PHY_1MBPS as primary phy ;...
Hi
I am trying to broadcast manufacturer data (beacon example) while changing data from second to second. For that I am trying to use timer2 (as timer 0 is used by SD, right...
Greetings,
For Bluetooth Declarations, will new QDIDs be generated to account for the additional required tests as of January 24, 2019 in TCRL-2018-1.
I'm mainly interested...
Hi,
I need to interface LIS2DH through SPI. I tried many SPI Master example but I am getting all the values as 0XFF. Even the WHO_AM_I registers value is getting 0xFF
...
Hi, I have an EMG muscle sensor which needs to be sampled at least 500Hz. Can I sample at the required frequency and transmit at the same time over BLE NRF51822. If not please...
Hi, I am new to the bluetooth mesh concept but I have tried creating one using nRF52 DKs.I have worked the light switch example but I am stuck there without being able to...
