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,
I have a question regarding a DFU update via BLE. I am using mesh sdk v3.20 and sdk v15.30 with custom hardware (nrf52840).
I have the BLE DFU working as expected...
Hi all,
I am using mesh sdk3.20 and sdk15.30.
I noticed that with the buttonless ble dfu, it is not possible to perform a DFU transfer after the device was provisioned...
I did the program using examples of glucose. But I do not want to enter passkey from central. Because there is no LCD or UART in my device. Which part of the glucose example...
I am developing firmware for my Peripheral Device (nRF52840) using S140 (v7) and SDK 15.3. In my application, I will advertise (with advert payload changes) and support Smartphone...
Hi,
How much is the expected time period from the time VDD goes above 1.75V to main()? I am using a custom bootloader and am seeing a ~4.5s (yes seconds!) delay in getting...
i'm trying to configure the nrf to rx and according to the state diagram i realized that: as the nrf is supplied and the voltage goes over 1,9V the nrf goes in the power down...
Hi, i'm using the nrf24l01 with a zynq board to use it as radiocontrol; i'm trying to configure the nrf as receiver so that i'm able to send data from another nrf connected...
Hi, i'm using the nrf24l01 with a zynq board to use it as radiocontrol; i'm trying to configure the nrf as receiver so that i'm able to send data from another nrf connected...
I am trying to use the LPCOMP API, but I am having trouble with the following function:
nrfx_err_t nrfx_lpcomp_init
(
nrfx_lpcomp_config_t const *
p_config ...
I'm attempting to setup GPIOTE for an output that is set and cleared by different events. The GPIOTE driver doesn't let me initialize an output twice. Is there a way to do...
I have 2 objectives BT beacon and concurrent ESB with Thread using time slotting A. I would like my thread devices to broadcast BT beacons. As this does not require any reception...
Hello. We have product based on NRF51822 chip. 24 bit 4 channel ADC connected through SPI to MCU. Data rate is 250 Hz (4 ms). We send two ADC samples evry notification packet...
I started setting up Zephyr SDK development on my W10 laptop, according to the nRF Connect for Desktop guide, but running into this error when executing pip requirements installation...
Hello,
I'm writing a BLE app that acts as a peripheral and a broadcaster. If a connection is established, I'd like to continue advertising but update the advertising parameters...
Hi,
I am migrating sdk 15.2 to 15.3. Everything works fine, except the nrf logging. Currently, I am using RTT configuration, with default backend enabled. The code is simple...
