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...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi. I have a problem with HID keyboard example. Function sd_ble_gatts_hvx returns 0x00003401. I know that it's means BLE_ERROR_GATTS_SYS_ATTR_MISSING. But how and where I...
Hi everyone,
I am using the nRF52832 and I have use the serial bootloader to update the firmware at one of my clients place.
How should it be done and what do I have to...
Hello everyone.
I have both the two boards now. If I draw a PCB myself and want to use the Debug-out port to debug my PCB, what should I do? Which pin should be connected...
We have to pick a BLE very quickly , and up till now we used to work with modules which are expensive in mass but easy to work with (e.g RN4020)
I am looking for a chip...
It seems that my j-link chip on PCA10028 is dead.
I'm not sure How I can Fix it.. so I'd like to use external Debugger(?? I don't know how it called) Instead with PCA10028...
Hi,
I have seen in a few nordic videos ( devzone.nordicsemi.com/.../) , where a LCD display is interfaced with the NRF52840. I would like to know its specifications and...
Hi,
I'm designing a prototype which uses a 6V battery with nRF51822. According to the specs nRF51822 power supply ranges from 1.8V to 3.6V. Can you tell me how to reduce...
if I use softdevice 130 Enabled, then do I have any restriction with using all of the pinout of NRF51xxx?
Or if I use Nrf-51 DK, Do I have any restriction with nrf 51xxx...
I added service into ble_app_template
in static void services_init(void) {}
like this
#define NUS_BASE_UUID {{0x9E, 0xCA, 0xDC, 0x24, 0x0E, 0xE5, 0xA9, 0xE0, 0x93...
A little background and what works:
I'm already familiar with using SD110 and SD130 APIs on the nRF51 series, so thats not an issue, also it confirms that my boards...
Hi,
I'm using the SDK10 bootloader and DFU mechanism. I can update the firmware using Master Control Panel 3.10.14 on a PC, but the update fails using the iOS library or...
Hi,
I want to turn peripheral device from application mode to bootloader mode from a central device(not app), so I am trying to write value 0x01 to dfu service.
Following...
