I was wanting to use a nRF24L01 with a breadboard but its pin-out didn't allow it. A solution then occurred to me based on parts at hand. I wrote it up with instructions and...
Hello. Can I get a literature to the nRF51 series?
I need a full abstraction of the nRF51, like a book or other information, it's structure schematic of build-in modules...
hts, HTC phone, nrf tools HTM, nrf51822,
every time when it's power up :
the once connect: error code 0x7A cann't read characteristic and 0x14 state change.
the second...
Our company needs wireless temperature sensors (can be externally powered or battery operated) and transceiver with 4 channel analog outputs. It has to be finished product...
I am toggling Value of slave through a button on nrf51822ek .This Value is displayed on MCP of dongle, but i have to get this value on terminal to send it to pi then through...
Hello, I am tryong to use to masters to communicate with two accelerometers.
Q1_ I found the following image from Nordic's website that shows SPI0 pins but there is no indication...
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,
Implementing a LED led driver was pretty simple and below code works well:
nrf_gpio_cfg_output(LED_PIN);
nrf_gpio_pin_clear(LED_PIN);
NRF_GPIOTE->POWER =...
Hi there,I am using the PWM library in github github.com/.../nrf51-pwm-library . After I do this in my project and I check the pin output with Oscilloscope but didn't see...
I have a product that was released a few months ago and is operating in-the-field. Recently we discovered a bug and need to fix it. We are unable to do a DFU because:
...
Hello,
DEVICE_MANAGER_APP_CONTEXT_SIZE should be less than 256 bytes in size.
However, it seems to work properly (not fully tested) whith a size of 800 bytes, and no more...
Hi all,
I want to make sampling from microphone at 16KHz. So I want to first disable softdevice, do all measurements. An after that enable softdevice to transmit data. Will...
Hi,
Recently, I am playing around with the NRF51 dongle and trying to make it work as a BLE master.
However, when I run the sample code(e.g. advertising, multi-link .etc...
Hello, i am seeing a strange behaviour of pstorage module and i don't understand what is happening. I have read links below:
pstorage-problem-on-power-off
saving-data...
Hi,
I haven't been able to find a clear answer to this.
With the ESB protocol, a payload can be stored in the PRX TX FIFO to be sent back to the PTX as part of the ACK...
I have some nrf51422s beacons and wondering if they can send and receive data. So I want it to keep transmitting its id and signal strength but if somebody is reading the...
I am trying to implement the ANT+ Environment Profile using the nRF51 DK and I was wondering if anyone had done this and could point me in the right direction to start. I...
how to synchronize multiple NRF52 them?
Should I use a router? What route do you recommend for development?
Otherwise many people tell me that the Bluetooth has a very...
Hi all,
I create 4 timer in APP, and there seem only one timer (work in single shot mode) can not trigger by right ticks.
I add some log and find that:
First I...
Noticed in ant_parameters.h
#define MAX_ANT_CHANNELS ((uint8_t)15)
First question: is this correct for nRF51?
Second question: is nRF51 going to support 15 channels...
Sorry for the newbie question -- I am new to programming microcontrollers.
I would like to know if it is possible to program the nRF24LU1+ to behave like a USB host? I...
