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, stupid question here: Is there a command I could send via the dfu characteristics that starts the application somehow with doing an actual dfu update? Using the secure...
I WANT TO INCLUDE GPIOTE WITH PPI EXAMPLE PROGRAM IN THE SDK. EVEN IF I ADDED THE INCLUDE FILE,GIVE THE PATH TO GPIOTE.H AND ALSo added tthe gpiote.c file in the nrf_Drivers...
Hi,
I have successfully sampled my signal using SAADC example at a sampling frequency of 10 Hz. I am using a flag in the saadc_callback() function which I read from the...
Hi,
The current consumption of nRF51822 and nRF52832 listed in the specifications are shown in the figure. The figure shows the current value of LDO mode.
The consumption...
Hi,
I'm having trouble performing a secure serial DFU with the nrf52 DK, I'm using the following components :
SDK 13.0.0 : experimental_bootloader_secure_serial example...
hi,
i have set the uart buffer size as 64. but when i am transmitting data,i found that the size might not enough(eg. there are 100 Bytes to send).how could i do except for...
Hello,
I work on an application which use the pc-ble-driver 1.0 as BLE central for handling external peripheral devices.
Now, I am working on bonding procedure. To make...
I'm attempting to take a 115k baud stream of NMEA sentences from a GPS sensor, and outputting it to a phone based on the UART example. While I'm not sure if BLE is perfectly...
Using the ble_app_uart example on the nRF52 PDK, I can easily send multiple packets per connection interval--if I send a long string using ble_nus_string_send(), the notification...
Hi.
I've just received my nRF52840-PDK and now I am trying to run usb examples from SDK 13.1.0.
I have started with VisualGDB using arm-eabi toolchain and USB HID Generic...
Setting interrupt priority according to FreeRTOS documentation is an inverted priority sequencing, i.e. lower number is high priority. However in the freeRTOS example provided...
Hi,
I am seeing an issue where after enabling read back protection (rbp) on NRF52 and using sdk 12.1 the tag goes to state where it drains a lot of current.
command used...
