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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
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...
Dear team:
I have a question with nRF52832 XATL 32.768K. When I used 13 GPIO to be a interruption,the internal clock delay was more slow than before。what was wrong with...
I am not able to send ble_nus_string_send 8th time when I am calling it for 8th time. That is it is sending 140 characters. I am sending data from nRF51822 using ble_nus_string_send...
Try as I might all searches for anything related to sd_rpc_* give 'no results'. Admittedly the search engine for the online and offline documentation is poor/difficult to...
Hello,
On our current hardware there are no IO pins left to add any dedicated U(S)ART connectivity. Therefor is there a way to perform any kind of serial monitoring via...
(I am currently trying to learn Zigbee) (Updated entry since I believe I was mis-reading the log and the ZC is ACK and not NACK)
I am currently trying to get my endpoint...
Sorry for asking, maybe stupid questions, but looking at ble_app_hrs_freertos example in SDK 16.0.0 cant get through:
1.to documentation ble_conn_params_init_t. first_conn_params_update_delay...
I'm trying to get IQ (or MagPhase) data from nrf52811 chip. The datasheet indicates that I can get the data from address indicated by DFEPACKET.PTR. Is there any example code...