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...
To whom it may concern,
I am testing SPI Slave and I have an issue that I am not able to change the pin numbers in the peripheral configuration for SPIS0 and 1.
It works...
Hello,
we have developed a solar powered LED module with an additional battery. It is based on the nrf52832. The WDT and TWI is mainly used and for BLE the soft device...
Hi everybody,
I am developing a wireless interface on an nRF52840 chip (Laird BL654) and I do have a problem with the SDK integration in Keil uVision.When "Manag(ing) the...
Hi,
i have PCA10059 dongle board. when i want run my program on it, fds_init return FDS_ERR_NO_PAGES. and also in nrf connect i can see range of different application...
Due to the rewrite of the DSM persistent storage layer the DSM_VIRTUAL_ADDR_MAX define can no longer be set to 0. This has changed since 3.2.0 where it could be 0.
During...
I ask you for help with programming Bluetooth module u-blox ANNA-B112. It is based on nRF52832. I have already installed Keil MDK5 with nRF52832_xxAB package, soldered the...
I'm trying to use sine function such as: S = sin(0.8)
But variable S come to zero after this code. Go to Debug mode and add a break point to view the change of variable...
Hi,
can we do the mathematical operations (like math.sqrt ) using nRF51822 ? Since, our project requires many simple mathematical operations, we need to decide whether...
Hi,
During the initialization of the SIM I have this message:
There was an error submitting your user information. This SIM cannot be activated. I am from Israel. What...
Hi All,
I have the strange issue with scanning. I have the project losely based on examples where I created peripheral adevrtising with 1s interval. This sends the custom...
Hi there, I'm using nrfutil ( nrfutil version 6.0.1 ) to dfu via ble (dongle),
Mac (10.15.2), windows (10), linux (raspbian) have been tried out to update the firmware none...
I am using the '840 to construct a small network using the ESB stack. In this design, a master (dongle) transmits to each slave and receives an ACK w/payload response. The...
I changed the way to get the upgrade program in the bootloader program and wrote a function to write the accepted bin file to the bank0 area. However, I found that it took...
Hi,
I am using BMD300 rigado board having nrf52. In my application i am tracking the ADXL362 accelerometer's motion.For this, I am combining SPI, UART(for displaying data...
