Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
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...
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...
Hi,
I am using a 52832 part as a peripheral communicating with a central running on an ESP32. It operates in the following manner:
1. When it is active, the peripheral...
