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,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hi,
I've some questions on nPM1100's buck regulator
1) What is the Iq (quiescent current)?
2) Does it support 100% duty cycle?
3) What will happen to VOUTB if VINT...
Hi,
We are using ANNA-B112 module with nRF52832 chip and trying to store the product serial number in UICR. From the description of UICR, it seemed that the CUSTOMER area...
Hi,
A have an application on a custom board that will not start, unless I use JFlash Start Application command, or attache the debugger. I already added CONFIG_BOARD_ENABLE_DCDC...
Hi,
given "nrf_drv_twi_xfer" or its "nrfx_twim_xfer" younger brother is used to communicate over I2C, and its a TxTx tranfer, than what does "nrf_drv_flag_tx_no_stop"...
I am using bleak and python to connect to a ble device and then using subprocess to run the dfu. The ble device disconnects when the dfu starts and then I get "Connection...
I have a Thingy:91 board that appears to be broken, no response either on the LED or via USB UART when switching on.
I've earlier done some development with it, and hooked...
Hello,
I am attempting to follow along with the AWS IoT example. Everything has gone OK so far (Create a Thing, Create a Policy, Create and download certificates) until...
Hi All,
In our product we have noticed that, on a few occasions, some important information that is saved using FDS (in a file with ID: 0x02) are being erased when an OTA...
Hi,
Do you have a recommended circuit for supplying VDD_GPIO with the right timing relationship to VDD?
Section 11.1 of the datasheet says "VDD_GPIO should be applied...
Since the 9160 will vary his transmit power based on signal strength, is there any way of determining what power is being used for a given transmission? I know that the max...
The Edge Impulse firmware compiles and flashes to the Thingy53, without problem. I would like to increase the range of the BMI270 accelerometer, but can't find any reference...
I am using 52840 and SDK V14.2.0. When compiling nrf_ble_dfu.c I see the following error in nrf_dfu_types.h: line 258
"two or more data types in declaration specifiers....
Hello,
I am getting 0x07 error code when invoking sd_ble_gattc_char_values_read(..) function.
I am using SoftDevice 140 v6.1.1 APIs. I have an NRF52 dongle and I programmed...
Hello,
I am trying to send status messages to a Client model with a specific unicast address on one node. This node's parent element has both generic onoff server and client...