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, I'm using the nrf connect mobile app and I want to connect multiple devices to the advertising device and I want them all to access the same characteristic at the same...
When I open SES it says that it cannot detect any j-link so it asks me to buy license. But shouldn't my nrf52840 dk board have on-board j-link that SES should detect? I check...
Hi,
as I understand (and tried), in order to get low power consumption on the NRF91, I need to to get CONFIG_SERIAL=n.
However , I need the uart to be enabled (for short...
Hi - I am wondering what is the power optimal way to read/write with the TWI module. I do a tx and rx with the TWI interface. I have something like this, from the examples...
Hi,
We have just almost finished develop a product which used nrf52840 as a data hub, a wifi module connect to nrf52840 through uart, and baudrate set to 460800, and also...
Hi ,
I am using the example "ble_app_uart".
I enable uart while receiving data from nus handler and turn it off after transmitting.
After I mondified the code, it can...
When trying to write the bootloader hex file to the device with nRFgo Studio, the following error message is displayed.
[nrf52840_xxaa_s140.hex programming failed: This...
Hello
I'm using SDK 15.2 on nRF52 DK to test the ble_app_multirole_lesc example.
I downloaded the code to nRF52 DK to act as central.
I commented the scan_start() function...
I take bootloader_secure_ble example for pca10056 build it and use hex file to program using nRFGo Studio get error verification Failed. if i programmed with keil then load...
HI,
I'm having a problem when I use the function nrf_drv_twi_xfer. The function returns the error code NRF_SUCCESS, but using the event handler I notice that I'm receiving...
I am using nrf connect app on ios , the device is getitng on device mode but it is not showing DFU button on it , but it is working when using android app of it
And...
Dear all,
I am using SES, I have an application that relies on a softdevice. For it I developed a custom bootloader that DOES NOT rely on the softdevice and only transfers...
Hello, Nordic! I'm developing with a nRF52832, a bmi sensor and SES. I am starting with the BMI160 libraries on github and encountered some problems with the call of the i2c...
I am trying to implement a simple matrix 4X4 keypad. I have an issue in enabling gpiote events. I disable gpiote events when there is a row event and i scan the keys by turining...