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...
Hello,
I tryed to find in Q&A something that can help me understand how it is possible to measure battery voltage with nRF52, but i am not sure i found the exact explanations...
The v3 reference manual of the nrf51 mentions:
"[The powerfail comparator] also provides hardware protection of data stored in program memory by preventing write instructions...
If I use the interrupt handler to set Flag, and read sensors and write data to SD card in the main loop as in the following code then everything works well.
#include <Wire...
What hidden settings am I missing this time in the awful Segger studio ?
I get an error :
unknown type name class
When I compile with this new class called...
hello i am new to spi, i am doing project on 3 wire spi interface. I am using 3 wire interface as Sclk,ssn,MOSI pins only , I am not using MISO pin .I am tested spi example...
hello, I am working on nRF52 DK spi protocal.I am using AD9837 as slave.Here i am using 3 wire interfacing.I am connecting Sclk,ssn,MOSI pins olny & I am not connecting MISo...
what's the maximum data rate of nrf24l01+ (with ACK and without ACK) using 2 nrfs?
if i use 4 nrf24l01 two in tx side and two in rx side.what would be the maximum data...
Reading the migration doc at:
<SDK>/components/softdevice/s130/doc/s13x_nrf5x_2.0.0_migration_document.pdf
I see there's a new fault handler type and an implementation...
Hello all,
I need to program nRF52 via the SWD pins. I cannot use the nrfjprog or J-link or Segger etc. I have connected 3 wires to the nRF52 - SWCLK, SWDIO and GND.
...
Hello to all
I'm working in an application that needs to be completely power optimized. In this program the device works as a scanner that if it finds an specific device...
Hi, I am wondering about the pre-made PCB's available on ebay, with a nRF24L01+. At a cost of $1, and with various forum stories over the Internet referencing issues such...
I am using NRF51422 S130. I have a master SPI configuration set up, and not using Nordic spi drivers provided in the examples. I think my configuration is correct.
1- I...
Hi,
We started out developing an application using the SoftDevice 1.0.0-3 (from SDK 0.9.2). We now need to upgrade to SoftDevice 4.0.2 (included in SDK 13.0.0).
We already...
Hello, I have some ideas to do for IoT and bluetooth. Already did some tests with MQTT raspberry pi and ESPs SoCs. Then I started to dive into bluetooth world and I found...
