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 friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
I would like to implement DFU OTA updates without the Master Control Panel, and I have a couple questions:
Is there example code for the client-side of the DFU service...
Our personal phones are set to auto-update iOS apps. Unfortunately our team all got the latest version of the NRF Toolbox app (v2.5) released on February 5th, 2016.
Previously...
hi,
i want to execute a block of code in which timer should start. and stop at end of the block. and the timing depends on manual interrupt. and restart again when the execution...
Im using a board that is not one of the officially supported nRF51822 boards. Im trying to get the ANCS example project to work, but It wont broadcast or even turn on the...
hi,
i want to append data before sending. i am using ble_uart example.
here suppose the data is available on uart buffer at 1data/sec. i want to sent some timer/counter...
SDK 4.0.0-2.alpha
When run garbage collection, sometimes invalid offset on new page is present.
Adding next string fix this.
m_swap_page.write_offset = FDS_PAGE_TAG_SIZE;...
Hi everyone,
somebody recently told me that the PWM library as part of the current nRF51/5 SDK (v10 or v11) is more like a hack?
Since the docs fail to mention specifics...
I would like to know whether the amount of connections for BLE is limited by BLE spec, chip or stack (soft device)?
Also, same question regarding the possibility of the...
Hello,
I need to change my advertising Message periodically. In detail message (A) is sent in every 100ms and message (B) ist sent every 3000ms.
I defined 2 timer: ...
I noticed the nrf52-DK pca10040 comes with different ic revisions.
infocenter.nordicsemi.com/index.jsp
Where can I buy the pca10040 and be sure I got the latest in revision...
Hi!
I'm experimenting with a bare-metal implementation of SPI connectivity among two nrf51 modules. One of them is master, another is slave.
The problem is, the below...
Hi All,
In Flash read am facing one issue .
Am writing some data to Flash and trying to read back, But when I read back I get some corrupted data or am not able to read...
Two questions about advertisement (i'm reading ble_advertising.c code)
I failed to see what is making transition from BLE_ADV_MODE_DIRECTED to BLE_ADV_MODE_DIRECTED_SLOW...
Hello,
I tried to do migration on new SD S132 but some elements changed (typedef uint32_t nrf_clock_lfclksrc_t is not defined, ...) and i get a lot of errors.
When new...
