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...
Using nRF52840 SDK 15.0.0 with SoftDevice
I am trying to protect the Access Port, used to do it using the following command
nrf_nvmc_write_word(NRF_UICR->APPROTECT, 0xFFFFFF00...
Hi,
I'm using the NRF52840 SDK version V15. My program uses:
1. softdevice (BLE communication)
2. SPI uses using SPIM interface in nonblocking mode.
3. Timer event...
I am trying use DFU example with Mesh sdk 1.0.1, however following the start DFU guide, i have some question, if i have two DK52 one of them must be programmed with the original...
Hello,
I want to use privacy (BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE) if the connected device support this feature. As far as i know it's not possible at application...
Hello,
My problem is that i have seen a reduction in throughput with android oreo in a huawei p10. Before the update i was able to send two notification per connection interval...
I use PCA10040 development board. COM port suddenly stopped working. The issue is visible also in Device Manager:
Google suggests that this issue is caused by Windows...
Hi
We have project where we want to use a nrf52 in an remote keypad for control various devices.
For investigating the capabilities I have tested the ble_uart and ble_blinky...
Hi,
I've been working on a project where I need to send data from UART over mesh, I managed to create custom model for sending string data over mesh, I did merge UART example...
Hello. I have SMARTMP3 Board and NRF52832. The vs1053 works fine on the arduino. But it doesn't work on the nrf52832. I use these connections: #define SCK_PIN 3 #define MOSI_PIN...
The NRF52840 appears to only come in a dual row QFN package and in the reference material, the only way to break out the second row is with an in-pad via or a very small trace...
Hi I am trying to use a different base UUID template than 0 x ABCDxxxx-1212-EFDE-1523-785FEABCD123.
For my services I would like to use 0 x xxxxABCD-1212-EFDE-1523-785FEABCD123...
From what I understand the clock source for the example ble_app_uart is the 32 KHz external crystal. Please, see the screenshot of the CMSIS configurator:
How do I set...
Hi all!
I use the ACM_CDC USB class to transfer a batch of data (150MB) from the MCU (nrf52840) to the host. Currently, the system reaches up to 100KB/s upload speed, although...
