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...
Hello All,
I'm trying to get my application based on a nRF52832 to use as less power as possible and I've noticed that when the nRF_LOG UART is enabled it draws around...
About DM_LOG, DM_ERR, I define ENABLE_DEBUG_LOG_SUPPORT in Options for Target->C/C++->Define, the "string" will be sent over UART.
But ADV_LOG still does not work，How should...
Hi Nordic,
I am using ESB_DPL SDK ver 13 for communication between one nRF51822 transmitter and multiple nRF51822 receivers with data whitening. I do not want the receiver...
I ported both the provisioner and provisionee program respectively to 2 different boards, but couldn't detect the advertising package of neither.
Do they send exclusively...
Hi all
I've two questions regarding errata 156:
Am I assuming right that, as long as I don't use WFI or WFE, this errata has not effect?
Are the two consecutive...
Hi. I'm using nRF52832.
I want to add LEDs. Can it drive 20mA for LED?
As I see the datasheet, GPIO pins have "High drive" function. What deos it mean?
I hope your reply...
Hello,
I am having difficulty downloading an application using the sample images provided. It looks like the application boots into the bootloader, there is a brief message...
Hi,
I modified the blinky_freertos example from SDK 12 slightly to perform the following:
I have one timer and one task. The task blinks a LED and then suspends. In...
I'm trying use an nRF51 PDK to upload firmware (or, rather, just confirm that I can upload firmware) to one of these modules:
www.wireless-tag.com/.../WT51822-S4AT.html...
Hi,
I am new in BLE and working on existing product. i am adding BLE functionality in the existing product hence having one host MCU on my board. My product will be in...
Hi There,
I am doing current measurements on the nrf52840 in sleep mode with no RAM retention and I am getting different values based on how I take the measurements. Please...
I am attempting to interface a Winbond flash device with the NRF52. The
datasheet does not specify the idle state of MOSI when reading from the device. However, I cannot...
We started with the default project that have no heap.
Added mallocs to the system and they seemed to succeed, without realizing heap was set to 0. They did not return NULL...
hello
we have custom board with Nrf52840.
i already test the uart code on nrf52840 dk..every thing is working great.
my custom board is connect to the nrf52840 dk with...
