To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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
I have some question about ESB
1. If the noack bit of dynamic payload is set to 0 and transmitted.
Ptx doesn't switch from tx to rx to receive ack?
And prx doesn...
Hello
I use nrf52832 and lithium battery (3.7v, 140 mAh).
I can read the adc value of this battery through the charge IC. I monitored the adc value while charging the...
I find that the nrf52840DK offers two UART function, and when I running the nrf5_SDK/example/peripheral/uart program, there has only one UART configuration example. Can I...
Hello List,
I have a use case where i need to control 2 DC-motors using a PID-controller. The system is to be controlled via BLE, using a nrf52840 with softdevice S140....
Hi all, I am trying to use the nrf52840 dongle with wireshark, I was having permission errors trying to open the device in the program section of the nrf desktop suite running...
Hello,
we think about using an nrf52820 for a multi role solution. I know from the Compatibility Matrix that the S140 is supported and qualified for the nrf52820. What...
hi,
we are trying to add third sensor to the multi sensor example , new sensor is of type binary_input (0x000F) ZB_ZCL_CLUSTER_ID_BINARY_INPUT.
We are unable to subscribe...
I use nRF Connect for desktop / Bluetooth Low Enery Apps + nRF52840-DK.
When run 'start scan', In rare cases, very small RSSI values (-103dbm, -104dbm ...) may be reported...
I have brought nrf52840 preview dk ,it is not getting detected by the computer nor its power led getting light up. Last code i tested on its was blinky.
I doubt it has any...
I have a custom board that I have programmed using the UART_BLE example. The code executes and I know I am advertising since LED1 blinks meaning it is advertising but for...
I am testing the Sensor example in the Mesh SDK.
For my implementation I need three properties that are given by the BT Mesh specification. (Properties 0x004F, 0x0057, 0x0059...
Hi everyone!
I'm running my Nordic Thingy 91 with "thingy91_nbiot_legacy_pco_dfu" and it works great!
Now, i want to make some specifics editions in the main code in order...
Hi, We are developing an application that should receive commands via SMS. The device runs on a fairly large and rechargeable battery so the power consumption is not the most...
Hello DevZone,
PCA10040 SDK 15.0.0 SD132
I written my own SPIM driver which uses the list function to read in a few bytes. I've set up my list as the example in the...
Hi,
What is the difference between performing a reset by using the function sd_nvic_SystemReset(), and performing a reset by turning the power voltage off and then turn...
