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...
When a Jlink programmer is connected to multiple devices (daisy chained) how do I specify which device is being programmed on the command line using nrfjprog?
Additionally...
Hi
I am making a speed cadence sensor.
I am using the gpio event handler to check the cumulative wheel revolutions and send the recorded value to the app as a time handler...
Hi,
Once the main hardware init part is done, system idles for a while and then I get a hardfault (APP_ERROR_CHECK returns fatal)
I reset the chip, and asked it to continue...
Hi,
Currently i am trying to understand the gazell api using the nRF5 SDK v14.1.0 example gzp_dynamic_pairing. Within my process to trying to understand the gazell api...
I am planning to design BLE MESH based LED lighting system.
(control involved LED ON/OFF , varying two PWMs to control intensity for warm & cold LED drivers, etc)
For...
today simple test ble_nus_string_send time-consuming function, but found that the implementation of a ble_nus_string_send and wait for the success of transmission time-consuming...
Hi, I have a problem with BLE connection. When I bond to the device and then connect, everything works and connection is stable. When I kill the app and try to connect again...
Hai team,
Iam using ble_app_beacon application in nrF51822 dongle .I want to change tx power for every advertising.
example :let us assume frequency 4 for advertising...
I am trying to perform LESC on two nRF52 central and peripheral without bonding is it possible? and how?
My devices does not have I/O capabilities or have any display....
Most examples, tutorials, and standard BLE service implementations within the SDK (14.1.0) seem to use the BLE SoftDevice's sd_ble_gatts_characteristic_add() when adding a...
Hi,
I know that this question has been asked before but it seems like the answers are pretty old.
I have a need to scan on one channel only to receive advertisements...
Hi,
As mentioned in this post:
devzone.nordicsemi.com/.../
the struct ble_gap_adv_params_t --> ble_gap_adv_ch_mask_t give the option to turn any advertising channel...
I'm calling sd_ble_uuid_decode with the following parameters on a PCA10040 board:
sd_ble_uuid_decode(16, 0x2000F7CC, 0x2000F7DC)
ram base = 0x20003150
vs_uuid_count...
