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,
We are planning to design a custom based on nrf51822 with 1.8v power supply. we just want to know is there any restriction towards accessing peripherals on chip like...
I don't understand how the numbers in the nrf_pwm_init are calculated. Specifically these:
case PWM_MODE_LED_100: // 0-100 resolution, 321Hz PWM frequency, 32kHz timer...
I'm trying to repeatedly toggle a GPIOTE on every CC[0] compare within the time period set by CC[1]. CC[1] runs multiple times. Every time CC[1] is reached I want to stop...
Hi! I am looking into your products, and wonder how the workflow is.
Let's say I get the nRF51 DK to develop something reading from a sensor and sending data.
The DK provides...
Hi,
Through this post I got an updated bootloader for the nRF51822 128Kb chip version:
devzone.nordicsemi.com/.../
After the last update of the iOS nRF Toolboox Version...
I got an easy but fundamental question: How to make sure that the central sees the advertising package of the peripheral..
For example when the peripheral advertises only...
Hi,
I'm interested in 256kB Flash / 32kB RAM version of nRF51822 or nRF51422 (chip variant: QFAC/CFAC).
There is a fully integrated 3rd party module (like the BL600 that...
Hi. I am haveing trouble with the SD looseing connection to phone/ipad when I enable a power converter placed closed by. When I sniff the communication with the phone I can...
Hi Nordic Team,
I have designed an module with nRF51822QFAA, and took the reference of nRF51822 Dev-Kit for PCB antenna.
But i was not able to get the performace details...
Hello.
I need to count impulses going to nrf51822 in low power mode. I use the following code to configure GPIOTE and PPI to toggle counter and it works well:
#define...
Hi
I'm having some trouble with the read authorization giving me weird reply values.
In my application, I'm using a custom service called "Light Control" consisting...
Hello, I have inherited a (good) project in which the previous designer implemented a checksum using a value calculated from this:
char* pMemory = 0;
return crc16_ccitt...
If I want to recognize the specific beacon device in the smartphone app, how to read a specific uuid as major, minor beacon in the application?
I know the uuid with a unique...
