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...
I would like to send TCP message with 50KB message size. I saw that maximum size was limited by CONFIG_HEAP_MEM_POOL_SIZE which was 16kB.
Is there any way to send that message...
Hi,
we are experiencing unexpected behavior during sleep entry. Following pictures were taken using an oscilloscope, our device sends a radio transmission every 150 ms...
Hello,
I am trying to sample and reconstruct an audio signal using the SAADC and I2S respectively. I have a double buffer setup for the SAADC, where we process the data...
Hi,
I've noticed several times now when the NRF9160 comes out of a PSM sleep cycle that when a call to an underlying socket connect(), or nrf_getaddrinfo() call (whether...
HI,
I am developing an application with 7 transmitters and 1 receivers. Transmitter are nrf52832 with MPU9250 IMU (Holyiot YJ-18008) . I am hopping to each transmitter...
I successfully compiled and loaded the UART/Serial Port Emulation over BLE example on an AdaFruit Feather board.
I can connect to the Nordic UART Service, then send data...
I have built my application on ble_app_uart in keil in SDK 14, so I just did the same and copy-pasted my code into the latest ble_app_uart example built with ses in SDK 16...
So far i've failed to find a single source that contains comprehensive information on where errata items have been addressed. I do have multiple unrelated sources for information...
Hello, I want to try the secure bootloader + softdevice 7.0.1 + ble app buttonless dfu example from SDK16 I want to test all that in our custom board NRF52832-QFAB (256k flash...
Hello, I modified the ble_app_blinky example to work on our board (removed leds and buttons) and modified the board pca10040.h the new application worked on the devkit but...
Hello, I am completely new to embedded software development (so far I have been using development boards such as Teensy, Feather and Arduino) and I recently acquired the BLYST...
Hi
I'm currently look into the noise floor of the SAADC samples on a custom PCB with a nRF52
I'm running the ADC at maximum sensitivity (4x gain, Vref=0.6V) differential...
Hello
I have a power constraint device. Limit is not the total charge of a battery or so. Limit is the peak current.
Available (peak) current is around 4mA (@1.8V), current...
Hi,all. i face a problem that i used lightblue on iphone6(ios8.3 12F70) to connect my device(nRF51822),after sometime,disconnected automatic.
lightblue says:The connection...
Hello Community,
does an opened timeslot session affect my power consumption?
I need a cyclic timeslot for my application and I'm wondering wether it generates an incrased...
