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've writen a BLE program for a company,they reqire me to certificate the circuit and the program through a Fixed frequency program,what is the hell?Where to get it?
Hello,
[Device: nRF18522 S110 Softdevice 8.0.0 SDK10]
I've referred to this post:
devzone.nordicsemi.com/.../
Does it mean the maximum value is 512 seconds...
hi,For the bluetooth certification, but requires a fixed frequency is 2402 2442 2480 test, could you tell me need how to set up 2442 under the fixed frequency?
I'm trying to make one of the examples in the SDK v9, but I'm stuck on the following error;
L:\NR - nRF firmware\Nordic SDK\V9\examples\ble_peripheral\ble_app_template...
Hi,
I use s110_6.0.0 and sdk_5.2.1 in my old product. I found that I can't write flash sometimes. Timer1 and Timer2 are used, and their interrupt priority level is 1(high_priority...
Hello,
I noticed that their was a question in the developer zone regarding MD bit?
devzone.nordicsemi.com/.../
My question is slightly different. I am using Soft...
Is it possible to use random 128-bit UUIDs for custom services and characteristics? Or do the characteristics in a service need to share 96-bits with the custom service UUID...
The hardware bug #39 on the GPIOTE in EVENT mode which gives a overconsumption of ~1mA even in idle mode on, kills the interest of having a low power chip, because the solution...
I am wondering, for 51422 or 51822, are all radios can work simultaneously or only one type of radio can work at a particular time?
e.g., BLE & ANT can work at the same...
Hi all,
Is it possible to get a callback from the softdevice, when a characteristic is changed? If so can you guide me in the right direction - documentation / examples...
@brief Function for application main entry.
*/
int main(void)
{
// Configure LED-pins as outputs.
LEDS_CONFIGURE(LEDS_MASK);
// Toggle LEDs.
while (true)
{
for...
Hi,
I'm using gazell library with app_pwm.
From documentation gazell use Timer2 and PPI channels 0,1,2.
APP_PWM use Timer0.
When I disable pwm using app_pwm_disable...
Hi,
I'm trying to use the nRF52832DK to flash a Rigado BMD-300 module (nRF52) - I've connected SWDIO, SWCLK, GND and voltage sense to P20.
It seems that because the...
I run the boardcast tx application on a nRF52832 board and I add uart drive into the proj. I use UART to console on PC.But uart doesn't work, PC console nothing. What's wrong...
