I am trying to find out the part number of the antenna (I assume it is a PCB antenna) used in the nRF51 DK ( www.nordicsemi.com/.../nRF51-DK) . I found a lot of similar questions...
Hi.
I am using the NRF52 Development board, on Keil uVision, to implement a C program that uses Dynamic Structs. The Structs re-size themselves ( by increasing their capacity...
Hello,
I have an NRF51822 (redbealab ble nano) that I would like to use to count pulses in very low power mode.
Pulses are asynchronous
The rate of pulses can...
Hi
I'm attempting to read a PT-100 sensor value that is part of a voltage divider using a nRF52.
Both the reference resistor and the PT-100 is sampled while the voltage...
Hi
I have been searching the forums, but were not able to find an answer to my question.
I'm trying to sample 4 analog inputs on the nRF51-DK using the ADC hal. (SDK10...
Hi
I have been trying to get two NRF24L01 chips communicate with each other since a week now, without much success. All what I can find on the net is Arduino examples using...
Hi
I have done several projects with the nRF905. I know the device quite well. Normally I use the CD, AM and DR interrupt pins to determine the status of the device, my current...
Hi , I tried downloading the nrf51822 softdevice and application to yunjia board which is similar in architecture to PC1001 as shown in the following links:
github.com...
I thinking that using the Company Identifiers(in MANUFACTURER SPECIFIC DATA) when Advertise being.
But Our company is not registered in the Bluetooth SIG.
Is it safe...
For multi activity example in SDK 8.1, it writes "This application is not power optimized!". I'm curious on which part in the example needs to be power optimized? Is it the...
Hi,
I am using ble_app_uart example and need to reset the device on certain condition.
I have tried sd_nvic_SystReset, but it doesn't seem to work.
Can someone give me...
This topic has been done to death but I was hoping for a bit more detail with regard to enabling DC-DC while using S110 V8.0 for BLE, but on second revision hardware nRF51822...
I'm working on a project and want to use the battery service to do that, send notification when the battery reach to 75%, I decided to use the battery service found on the...
I am a beginner in nrf boards. I was using mbed online for programing the first few programs. I wanted to setup a tool chain on my machine and installed the nrfgostudio and...
Hello everybody,
I'm developping an application using nRF51 Development Kit with S130 softdevice and I'm looking for the power profile of scanning event. I understand that...
On 51822 : tt seems to me that I need to call sd_ble_gap_adv_start before I can use uart...
Do I also need dtm_set_timer etc to start uart ?
Thanks
Thomas
Hello Everyone
I have an issue when reading the value of an attribute using sd_ble_gatts_value_get, where if the connection has been lost, the call will block for ever...
Hi,
I have product that uses the S110 stack for communication. However I really need to lower the energy consumption and I am trying to make a minimal BLE implementation...
It's not clear to me from the documentation what a 'user' with regards to the APP_GPIOTE_MAX_USERS define used when calling the APP_GPIOTE_INIT macro.
If I would like to...
Hello, Nordic staff,
I work at UART(Host PC_A)<->BLE(S110)<=> BLE(S120)<->UART(HostPC_B) product(like a SPP profile of Classic BT) using a S100 and S120.
I use the flow...
I recently purchased the nRF51 DK and the NRF51-DONGLE. Would you please advise how to use these two devices. My goal is use the nRF51 DK to programmatically control the Reset...
When I call nrf_gpio_pin_set(LED_1), the LED is turned off and when I call nrf_gpio_pin_clear(LED_1) it is turned on. Is this expected behaviour? I can't find any schematics...
