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...
hello
i am using redbear lab's ble nano with nrf nrf51822 chipset in it. now i need to permanently store some data like sensor values and mac address of central devices...
I'm not able to find an older legacy version of Softdevice S110, specifically 7.2.0.
In the SDK Version 7.2.0 obtained from:
developer.nordicsemi.com/.../
there is...
Hello
I want to establish the connection between nrf51822(base station) and:
the second nrf51822(transceiver)
android smartphone(transceiver)
It has to be possible...
Could someone offer some guidance in how it is possible to keep the radio within IDLE mode between transmissions when operating in ESB mode? I have a sequence of transmissions...
Hi
I'm doing some S/W based on nRF51822_xxAC. I want to split RAM into 2 regions, as following:
+-------------+ 0x20008000
|__ __ _ __ |
|APP ZONE2 |
+-------...
hello, I'm trying to read the status register but all I am receiving is 1111 1111, I tried to change the code to read RX_ADDR_P0, but I also receive 1111 1111. can you tell...
It suggests that it holds the permission regarding whether a chara. can be read, but isn't that kinda redundant since there are tons of other similar properties out there...
Hello
Can i program an nRF52 chip using nRF51 DK. I plan to take advantage of the features of nRF52 including higher memory, storage and the NFC
Thanks
Hi,
My company has been running into an issue with the NRF51822 where the MCU appears to enter debug mode unexpectedly and I wanted to see if any others had experienced...
I successfully used my nrf52DK with latest production SD 132 and latest SDK (12.2.0), everything is on latest Keil v5. Then I needed to program another board (nRF51 Dongle...
Hi Nordic Tech support team，
I have some problems with nrf51822 OTA.
My Bootloader is single bank Bootloader。When I update nrf51822 firmware by OTA with android apk, I found...
Hi i'm very frustated with myself not the modules , i could make a pair of them to work perfectly in a pic 16F886 , now due to other project i have to use a dspic33fj64mc202...
We made a version of bootloader_secure for our own purposes. The problem is now that application must be uploaded twice into the device (nRF52) before it really gets updated...
Hi,
I am working on bootloader_secure example on SDK_12.1.0 and set APP_ADV_TIMEOUT_IN_SECONDS to 180 to stop the advertising after 3 mins.
All looks fine and device...
