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...
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,all~
I got a question about pwm's timer. Here is my working environment: SDK 10.0, SD8.0, IC VERSION: qfabc0.
I use timer1 as clock of pwm. APP_PWM_INSTANCE(PWM1...
Hi Everyone!!!
I am interested in nrf52832. I was going through its product specification v1.2 available over here: link text
At page no: 1, in the section: Key Features...
I have a nrf51 Dongle handy and I'm wondering if it can be used as an ANT+ to USB gateway for running simulANT+ on my PC?
If this is possible, where can I find the dongle...
Hello, I have device with nrf51822-qfab and I need to run ble_app_template (use softdevice s110). What version of SoftDevice I must to use with SDK v6.1? About problem: It...
Hello, I find these structs:
ble_gatts_attr_md_t
ble_gatts_char_md_t
show up quite often in example projects. My qeustions are:
What are these? And when will I be...
I am using esb dpl in nrf5 sdk v11. I want to put a special packet in ack payload. but I think nrf_esb.c code can not do. the reason is that when on_radio_disabled_rx() is...
Hi,
I am developing a printed circuit board for myself using a NRF52 and I am unsure how to actually burn a bootloader program to the NRF52. Additionally, once the bootloader...
Hi All,
my device wakeup from system off casued from reset RWOFF, I read the register RESETSRC and byte E is 1.
maybe there is something about the configuration of gpio...
Hello,
I was reading about that 6LowPAN is being used in the IoT SDK.
I have a few questions about this.
Can the 6LoWPAN node communicate with another 6LoWPAN node...
Hi,
I am working nRF51822 communication. I am using nRF peripherals examples in SDK 11.0 series.
I would like to know the sleep mode examples in communication like after...
Hello,
I bought few nRF24L01+ modules and I integrated them in some custom PCBs that I designed.
I haven't been able to transmit information:
The TX FIFO is full...
I'm working on a very simple Gazell build - basically the gzll_ack_payload example with some of it pulled out, since I'm working on a board with no LEDs or buttons to run...
Hi,
I am trying to develop a PCB for the NRF52 that will use bluetooth capability. However, I was wondering if there were smaller antenna's that could be used rather than...
If I have Bluetooth earbuds, one set to master and the other a slave on my ears.
Is the communication between the ears, through the head, or around the head (Hair scalp...
Hi all
I have two questions/problems regarding the emulated System OFF mode with the NRF52832 and the SoftDevice S132 V2.0.1:
According to this thread , an infinite...
