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 want to power the dongle from a 5V battery but don't want to solder directly to USB pads at the risk of ruining them. Can I put the 5V from the battery at the Vin point...
I have S110 peripheral device with custom UUID, created as described in www.nordicsemi.com/.../80193304 .
On the other side i have S130 device who successfuly scans and connects...
Sorry for the non-tech. question but I just heard that BlueTooth group is significantly changing BLE licensing policy. Maybe it's some kind of FUD but it should be mandatory...
Hello,
I am running the s110_nrf51822_7.0.0_softdevice.hex and am encountering an nrf callback assert on line 1377 of rem.c.
Without any visibility into this code I...
Hello, before you say anything: "yes I have searched!" :D
I found that this question was similar to mine
How to write GPIOTE Interrupt
Now I am fairly certain that I...
Hello,
I am trying to connect to one specific device. To make this I am advertising with the whitelist. The problem is that the whitelist do not seem to work. I got the...
I am using the nRF51822 module. I am using the following code to set my device discoverable:
ble_gap_adv_params_t adv_params;
ble_gap_addr_t *whitelist_addr[1];
...
I've got a custom board with an nrf51822 (ic rev 2, QFAA), and I'm trying to understand some unexpected current draw that I'm seeing from the board. Currently the entire custom...
Hey there,
Red Bear Labs sells a board with a NRF51822 Module on it. From a past post I have found it is said:
"embedXcode supports the nRF51822 MDK board for both the...
I am playing with S130 to behave as a peripheral device and a central observer. This is working great.
I am new to the central side of things and have a quick question...
Hello,
I have looked at several posts on here, including-
https://devzone.nordicsemi.com/question/3769/nrf51822-to-nrf24l01/
And followed the code, but I am trying to...
After I installed keil and nrfgostudio, I run nrfgostudio, but an error happened, which says" an instruction of 0x6b607a05 quoted the RAM of 0x094af43f, but it cannot be read...
I want to program Jtag inside Anti-lost Tag nrf51822 Module Bluetooth Low Energy Sticker.
Following are the specifications of Anti-lost Tag nrf51822 Module Bluetooth Low...
