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...
I'm developing a minimal bootloader on the nrf52832 that just reads/writes flash and decrypts some data already present in flash. I'm using the Bluetooth Spec's own sample...
nRF51822 sdk9.0
I am having a problem with GPIOTE. I have four interrupts programmed on four different pins.
As long as the signals do not transition at the same time...
I would like to use an external JLink and the interface MCU's virtual COM at the same time. I want to control the nRF52840 via UART connection using one host (Raspberry Pi...
Hi. I have a peripheral application that spends a lot of time doing stuff, but not in a BLE connection. In order to debug it, I have it use nrf_log with a backend that just...
Hello,
I would like to capture sound using pdm driver and to get this info in the computer using uart.
When I have the buffer from pdm I copy some data in a buffer to...
Hi,
I was looking to buy passive components for NRF51822 QFAA. Bill of Materials states specific tolerance and dielectric which is very difficult to find so, can anyone suggest...
Hi,
I try sample code usbd with PCA 10056 and it work.
On my custom board, same sample work fine too. But when I plug jtag, and try to debug my code, usbd can't be enabled...
ble_senso4s_v_0_7_poenostavljena4_1 power_manager.rar Hi
I read a lot about p_storage library and I tested it and works great if I use SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM...
Hi,
when using the following codes, I have some errors related with the ID of record,
please help to let me know the solution,
The errors are NRF_ERROR_INVALID_PARAM...
My application runs on nRF52832 with SDK11.
what happens if I call nrf_drv_spi_transfer in blocking mode from different contexts on the same SPI instance.
in my case the...
Hello,
I have a device that need ANT and BLE (central and peripheral) comunications. I found some examples about Ble central and peripheral but they working on s130 soft...
I am porting my code from SDK 13 to SDK 14.2 (nRF5_SDK_14.2.0_17b948a) and following the
migration guide . In the SoftDevice handler section I think the following section...
We are using LG Nexus 5 (Android v 6.0.1) and nRF52840 PDK. Currently when IO capabilities on nRF52840PDK are configured to Keyboard and Display, the numeric comparison is...
I would like to have ble_app_uart + usbd_msc. Now the problem is that SD not suporrt the USB power events,as a result, I can not check when usb is plug in and request USBD...
Hi,
I am using nrf51822 pca10004 with SDK110 v8 , I got a problem that the code hangs in sd_softdevice_enable and stuck in SVC_Handler.
Thanks,
Nagaraj
