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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi,
I am developing the board to act as Broadcaster and also Observer
I am using SDK_16 with SEGGER EMBEDDED . nRF52
board wants to do Broadcast the signal ( non-connectable...
Figure 7 of the nRF24L01 data says ACK payloads must be loaded in advance to the automatic ACK transmission. I wish to make the ACK data packet dependent on what is received...
Hi：
I noticed, P0.18 P0.19 P0.21 P0.22 P0.23 P1.00，recommended as QSPI.
There is no way to raise the P0.22 pin using this code.
But my own board must use P0.22 as...
I'm been analyzing this code for a while now but can't see how this code actually triggers a switch into the Bootloader mode. There are no references to any resets or the...
Hello
I would like use at least 2PPI channels to control a GPIO.
If PPI CH0&CH1 both setup, then GPIO_CTL just go high.
If PPI CH0 remarked, then GPIO_CTL go low
How...
Hi, 1. What document can guide the macro definition of configuring the nrf9160 project? 2. How do you know that prj.conf has those macro definitions how to configure? 3. A...
Whose idea was it to make creating a new project from scratch so difficult (if not impossible)????
I have created numerous projects using the nRF5x, but have always used...
hello,
I am using SDK16 ble_app_gls example . I set static passkey with adding this code in ble_stack_init function.
When I write password "123456" I can connect on nrf...
Hi
This question is related to sd_ble_gap_keypress_notify() . According to Nordic softdevice S132 v3.0.0 API:-
"This function can only be used when an authentication...
Hi
I am currently working on calculating the AoA. I have 4 nRF52833 DKs and I am using three DKs as transmitters and one as the receiver and the receiver is connected to...
This page https://www.nordicsemi.com/Software-and-Tools/Development-Kits/nRF52840-DK/GetStarted says " If step 4) below fails, you need to re-program the factory example code...
How can I calculate max and average power of this chip? During use, I intend to be at 0dB TX and 1 Mbs data rate with a 3V supply. I am going to guess the max power draw will...
Hello everyone
I am using nRF52 DK PCA10040.
I try to generate puls by Timer 0.
The puls width is 400ns.
This goal was failed.
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I'm struggling to get buttonless DFU to work with FreeRTOS. I've gotten buttonless DFU sample to run on the hardware. I also have FreeRTOS running on the hardware. However...
Hello,
I need to remap ble bootloader because I want to use nrf52832_AB instead of nrf52832_AA found in dev kits.
I wish I could have this memory mapping in embedded flash...
