I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi guys,
I'm fairly new to this kind of stuff and I'd appreciate if someone could point me in the direction of how I would go about taking the data being transmitted by...
Hi nordic,
I am using SDK15.0 (NRF52840) to design a watch producation which needs pairing. I have a problem that if NRF52840 (peripheral ) has been paired with a smartphone...
I want to get the RSSI of a connected device. The sequence will be as follows:
int8_t *p_rssi;
uint8_t *p_ch_index;
sd_ble_gap_rssi_start (m_conn_handle, BLE_GAP_RSSI_THRESHOLD_INVALID...
Setup: nRF52840 DK nRF52 SDK v16.0.0 s140 v7.0.1 When I attempt to use the nrf_crypto library for AES 128bit ECB encryption I keep getting
NRF_ERROR_CRYPTO_CONTEXT_NOT_INITIALIZED...
'm sending a publication set message (0x03) from an iOS app to an nRF52840 board using the light server example in the latest SDK. This works and I'm able to receive messages...
Dear All, I would like to know which is the better GPIO configuration to drive a LED for extremely low power consumption. We have a board with nRF52832 SoC with GPIO connected...
Hi,
I have Android (8.1.0), and installed nRF toolbox 2.8.0. To update firmware using .zip file.
The DFU Upload returns error:
Unfortunately, nRF Toolbox has stopped...
The 3GPP Release 14 introduced new, third power class of 14 dBm for NB-IoT devices. Is it possible to assign nRF9160 to operate at the lowest power rating class, the 14 dBm...
Hello everyone,
I am working on a project where I need to interface an NFC reader (trf7970a from TI) to an NRF52840.
I got everything working fine, but I have a major...
Hello,
I am running S140 on an nRF52840 custom board. While doing some power profiling, I noticed a spike of current of ~15mA when going from sleep mode to waking-up due...
I've created read onle characteristic called "log". In main.c i try to update it by calling : ulogd_characteristic_update(&m_ulog_service,Log_Data_arr)
But nothing happens...
How can delete individual peer bonding data without to affect the rest bonds:
-currently connected (after disconnect)
- some peer by providing RPA (assuming RPA matches...
Hi,
Is it possible to enable the transmission of 2 bytes of preamble and use the TIFS register to force a delay to transmission when in proprietary 2Mbps mode?
Thanks...
Hello, I'm using SDK 16.0, softdevice s132 v7.0.1, I'm sending the device to SystemOFF and configuring a pin to wake it up with
nrf_gpio_cfg_sense_set( IMU_INT2_PIN , NRF_GPIO_PIN_SENSE_HIGH...
