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
I'm using asynchron UART.
For example, I defined idle time to 20us.
It works without any problem.
#define RECEIVE_TIMEOUT 20
static uint8_t rx_buf[512];
ret...
Hi there,
I need help finalizing the size of my product's settings partition. I only store Bluetooth bonds on the settings partition: 20 bonds to other Nordic devices via...
Hello,
I'm abit confused... while the reference is +/-0.6V and absolute ratings are not to go below VSS=0
so is it SAFE to measure -0.5V with the ADC?
it looks like...
Hi there,
At the moment, we have developed a custom PCB and are having wireless troubles. Our suspicion is that the crystal circuitry must be the issue as there is absolutely...
So i have a problem with documents for nrf52820 while it's a great chip with good functionality i selected it mainly because all of product details and specifications told...
Hi,
I upgraded Toolchain and SDK in VS Code to Version 2.6.1.
Now the build is failing.
As far as I can see the wrong CMake will be used - from Visual Studio but it...
Hello,
I'm trying to implement the MCU BOOT in order to introduce the Firmware uptdate but I get the following error:
I'm trying to reduce the RAM usage but with no...
I am new to BLE development and was wondering how I can read the data published by the A&D Medical Blood Pressure Monitor with the nRF5340 acting as a central. I can connect...
hi support team,
customer reported on problem that one product is ok when in factory, but now is in problem after delivered to office.
i had onsite debug and find out...
We are nRF52840 in one of our products. When we use SYSTEM OFF mode with with hardware design, current consumption is around 3uA but when we use SYSTEM ON mode with RAM retention...
BLE settings:
1) Advertising interval: 500 ms.
2) I am not explicitly turning on the DC-DC regulator; I am using the default settings.
3) Tx payload: 31 bytes.
According...
Dear All:
I have followed the procedure as shown in the following to make a Mesh heartbeat application.
I started with the example of ligtht switch client and server for...
The documentation for CONFIG_MBEDTLS_PEM_CERTIFICATE_FORMAT in nRF Connect SDK says:
By default only DER (binary) format of certificates is supported. Enable this option...
My question is completely wrong (0x2880 is alloc failure, not parsing failure)! Please ignore.
When using the nRF Connect SDK mbedtls implementation to conduct a TLS...
Hi,
For the nRF52840, can we use another pin than P18 to realise the Pin RESET functionnality?
I can write the register NRF_UICR -> PSELRESET with numbers other than the...
