In the nrf51 series reference manual section 12.1.9 it states that there is hardware protection that prevents write instructions from being executed and that there is more...
Hello, I have established the connection between two pca10001 boards, one as central and one as peripheral using multilink_central and multilink_peripheral. I have serial...
Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi,
My config :
Board NRF52DK
SDK 14.2
Segger ES Release 3.30
SEGGER J-Link V6.22a
macOS 10.13.1
I want to use RTT to debug my code. As a starting point I've...
The manual clearly states that the external HFXO should be 32MHz. However, if one would like to have precise 16kHz on the PDM and I2S interfaces a 32.768MHz crystal is required...
I know that RF52840 could act simultaneously as the Advertiser\Peripheral and Observer\Central and I saw Nordic's recent demo video of BT + Thread co-existence. However, it...
I am having very limited knowledge in flashing devices, infact this is the first time I was doing it, pls conider
Step 1: I bough PCA10040 and installed nRFGo software in...
I have found multiple PDFs indicating the lay-out on the nRF52-DK. However, none of them tell me anything about the size of the kit. Does anyone have a PCB lay-out with at...
Using the latest SDK and following example multiprotocol/ble_app_gzl.
I try to add a vendor specific UUID and get error 4. Which means, not enough room in some table? Whose...
Hi,
I hope this is the appropriate forum for this question. I've also asked this on the developer forum on thisisant.com, but received no answer there.
We are using...
Hi all,
I have a custom board with 3 LED's and one button. I have created a custom_board.h file:
#define LEDS_NUMBER 3
#define LED_START 22
#define LED_1 22
#define...
I wanna build project nRF51822 using ADXL345 for accelerometer sensor that program using eclipse or keil. can you teach me how to build using nRF51822 SDK version 6 or higher...
Hi,
I'd just start developping with the nRF52832 and I would like to communicate with a sensor using the I2C protocol. Has I am a stranger with the nordic uC, I would like...
Hi guys, me again.
I was very confused with my current process on developing with nrf chip now... so I would like to post my develop step and some problems I had so maybe...
I am using ATT MTU throughput example and I noticed that using CLI (calling cli_start) causes the main while(1) loop forever. In other words, wait_for_event does not block...
I just received the Nordic nRF52-DK, and am unable to do anything with it as my laptop does not recognize when it is connected. I do not have the original cable as I did not...
Hi!
I have AD5611 DAC connected to nRF51822 by SPI.
In DAC datasheet we need to send data by MSB first order.
Data packet is 16 bit length.
I feel variable uint16_t...
