In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
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...
Our system will awake from an external accelerometer interrupt, so I would need a code fragment which shuts down S110 soft device (and radio of course) and also all the nRF51822...
Hi,
I'm trying to test a new nrf51 board using the s130 softdevice and the ble_app_hrs_130 example. However, the program seems to hang in the ble_stack_init function (code...
I'm trying to implement DFU-OTA (Bluetooth transport) for our custom board and currently i'm facing problems in flashing the different elements (softdevice, bootloader, application...
I need to implement a PWM analyzer. I looked at the example in SDK 6 and it's fairly easy to follow. When I tried it, it doesn't look like GPIOTE handler gets called frequently...
I'm trying to backport the code form SDK 9.0 to SDK 7.2,
but i need to make sure that can be supported.
I found the "ATT-51", and there is a table about that,but the last...
ble_dtm.c has some bugs related to signed integer representation which prevent negative power (less than 0 dBm) from being requested in the vendor specific message.
...
Hi, all.
I'm using "SEGGER_RTT_printf" for debugging. Because have no uart port on my development board.
I want print double type variable like below.
double pi...
I am currently trying to communicate with a GPS module using the UART on an nRF51422 (using the Dynastream N548M5CB module). I am using SDK v9.0.0 and the FIFO version of...
Hi,
I want to send a continuous stream of data very quickly into the nRF51 through SPI and then dispatching it to a smartphone via BLE.
However I keep getting BLE no...
Hello
When i am in keil uvision 5.18 and use the pack installer all the examples using Softdevice S110 are gone in Keil. Is this a known issue and is there any way to solve...
I followed the instructions and comments in devzone.nordicsemi.com/.../ . I built a project around the ble_app_gls example (with a couple of minor changes such as using -DNRF_LOG_USES_RTT...
Hi, I would like to program nRF51822 flash over SWD interface. I have another micro LPC1100 series that has the flash image for RF51822 and connected to nRF51822 over SWDIO...
Hi,
It is written in the nf_drv_uart.h file for nrf_drv_uart_rx_abort() that
If Easy DMA is not used event will be
called from the function context. If
Easy DMA...
Dear All,
We work on the NRF52 CSP revB. We have a board with two external crystals (32MhZ and 32kHz).
When we use the example program with BLE and UART, it works great...