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 wants to store data in file or store data as non volatile .
I can't found any file related function.
Can any one help me how to store data as non volatile...
Im using nrf51. first I used bonding feature, for that I configured the characteristics with BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM on read to trigger the bonding on IOS. ...
I am using SDK 11.0.0 and S132 on a nRF52832. In my application, my device can operate in BLE mode with the SoftDevice enabled or in custom RF mode with the SoftDevice disabled...
I need an accurate timer to generate pulses about 20ms. With simple timer this is workiong fine, but I need more then one timer simultaneously. So I would like to use app_timer...
Hi
I am working on NRF51822. I am using S120 ble_app_multilink_central example. I am trying to create a Timer1 interrupt of 1ms interval. My interrupt is working but interval...
Hi all,
I am trying to block connection from other devices to my nrf51dk board, except some specific devices. I used whitelist but it seem like the peripheral only block...
Hi,
I have just bought a nRF51822 Beacon Kit. The sticker on it shows that it is a PCA10006, Rev 1.2.0 2015.17 on it.
But I think that it is PCA20006.
What is the best...
Hi
I am getting some weird response from my nRF51-DK.
Situation 1:
When I try to flash it with the Blinky code (\sdk11\examples\peripheral\blinky\pca10028\s130\arm5_no_packs...
I'm trying to under the ble_app_multirole_lesc project and I'm a bit confused about calling sd_ble_auth_key_reply and sd_ble_lesc_dhkey_reply. If you are using Just Works...
Hi,
I am trying to send a HEX command to a device over UART at 9600bps using nRF52 DK, but it never works. However, it works with Arduino (so the receiving device should...
I have nRF52 Development Kit,after my first time programming the Firmware to my board.I can't erase or program it any more?
The nRF52 Development Kit can be connected with...
Hi,
I have read the following posts and understand how low clock frequency mode can be selected
devzone.nordicsemi.com/.../
I've also read in many posts that 4s calibration...
Dear Sir:
Could I use the external reference AREF1(pin0.06) instead of internal VBG 1.2V for ADC operation ?
I do the following settings to config using external reference...
Hi, I am using HRM example from SDK 10.0 with s130 on nrf51822 (attached project herewith). When I try to bond from Android(master control panel of Nordic), I am able to get...
