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nRF9151 + Kyocera AVX P822601 internal SMT antenna: 8 dB RSRP loss vs external antenna — possible PCB layout issue?
Test Results
Test 1 — Out of Faraday cage, internal...
In our product, we use Laird (Ezurio) BL653 BT module. In some countries such product requires SRRC certification. For SRRC certification we set BL653 to DTM mode with AT...
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The TWI driver has a twi_clear_bus() function but the TWIM does not.
I'm getting an I2C error, and need to do I2C soft reset. I'm doing this manually at moment but...
I recently completed a field-upgrade path from an nRF5 SDK 17.1 application (with the legacy Secure DFU bootloader) to a fresh NCS-based firmware stack, while preserving user...
Hello,
We are currently evaluating BLE Gateway (CIS, BIS) development using the nRF5340 Audio DK.
We would like to ask whether bidirectional CIS streaming is officially...
Hi, I am trying to understand the Friend and LPN behaviour. For that I am refering to nRF sample application light" and "light_switch". Below is the setup details: 1. On one...
IPhoneX sometimes goes into the ble_evt_handler auth_status event, and then p_ble_evt->evt.gap_evt.params. Auth_status.auth_status!= BLE_GAP_SEC_STATUS_SUCCESS, other iPhone...
I am unable to compile any SDK12 example with SES even following the tutorials. Versions in tutorials are different from those actually available resulting that menus shown...
What is the difference between the twi_sensor example and the twi_master_using_app_twi example? Where do I find any documentation that describes the available functions for...
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we are currently designing a device using the nRF52840 and are looking for information on the most cost effective way to do large scale production testing.
will we...
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I have an issue with pinging the nrf52 (PCA10040)(with mqtt_pub loaded), from the PC on the LAN to which the Raspberry Pi is connected to.
I can ping the nrf52 from...
Hi, I've followed the tutorial on https://devzone.nordicsemi.com/tutorials/b/bluetooth-low-energy/posts/ble-services-a-beginners-tutorial . I got to the end of the tutorial...
Hi,
In your reference design: https://www.nordicsemi.com/DocLib/Content/Product_Spec/nRF52840/latest/ref_circuitry?1070#unique_1780233596
There is a line from DEC2 to...
When I debug my product ,using nrf51822, using the ble_uart example, my product will using MCU commnication with BLE,using uart.
When I modify the PIN of the uart TX pin...
Hello:
I am working with my sales contact at AT&T in the USA. I mentioned this module and that it was going through certification. Before I moved forward with the carrier...
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I'm using an nRF52840 dongle with pc-ble-driver on Linux. It has connectivity 6.0.0 with S140. I tried the heart rate collector/monitor example pair (I have two dongles...
Hi folks,
We are in the process of evaluating nordic chips for our product.
One of the features we need is the ability to record an audio sound from an Ios app, send it...
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I have got nrf Power Profiler Kit for power consumption testing in our application board. I have a question regarding its output voltage for DUT devices. My application...
The project I am working on is to store the data acquired through BLE_uart_c and the data collected by the sensor on SDCard. I use FreeRTOS. The problem is described as follows...
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I have been developing a project and have run into an issue that I have been unable to resolve in the past two days. The code I have is in every way similar to other...
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I am using multiple custom boards with ISP1507-AX modules from InsightSIP, based on the nRF52 chip. I want to verify the revision numbers of the nrf52 chips inside...