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...
Hi,
I am having the following issue with nRF Terminal preview for VSC.
When I select text in the nRF Terminal and hit ctrl-c, nothing goes to the clipboard.
When I select...
Hello, All,
I want to ask about the modem upgrade of nRF9160.
At present, there is no problem with the minor version of the differential package upgrade.
Can the upgrade...
Hello!
Thank you for the excellent SDKs and documentation on the NRF52. I am developing several user devices on the NRF52 DK PCA10040 and my own boards using the Garmin...
Hi,
I am trying to receive packets from a device with Zigbee custom profile. Through sniffer, I can see that the device joins the network and sends packets on it but I cannot...
Our board doesn't have LFXO, but I want to run DTM. When I try to switch to LFRC by changing sdk_config.h, it doesn't take effect.
chip: nRF52832
SDK: nRF5_SDK_17.0.2...
Hi, we use the Fanstel BT40 design a RS232 & USB carrier board, when we use battery 3.3V to VDD, there is a DC2.8V output from VDDH. VDDH should be power input, why there...
As known in SDK nrf there is a function battery_level_in_percent() used to calculate battery percentage but it is only true for the CR2032 battery. Currently, I am using AAA...
My application uses a SPI LED driver, which I routed on a PCB to the most convenient pins for routing.
I have already tested my firmware on a nRF52833 DK with an Arduino...
Hello, I'm a beginner at developping nrF52832. My problem is completely similar to this one : devzone.nordicsemi.com/.../add-saadc-peripheral-and-others-to-example-project...
I am trying to measure single-phase mains voltage (240v, 50Hz) by stepping down the voltage to 200mv using a voltage divider and read it with the ADC pin of the controller...
Using NB- IOT JIO SIM in india, not connecting asset tracker Work Up to RRC Connected and stuck there. This is custom code very similar to asset tracker example. We are using...
Dear Sir.
Using the mqtt_simple project , I inserted a 1 sec timer.
Within the timer I want to use the publish routine like this
data_publish(&client,MQTT_QOS_1_AT_LEAST_ONCE...
Hello everyone, we are developing a heart hare accessory for the phone and we want to show the battery status directly on the phone. I found it can show up in the Windows...
Hi, I run nRF5 SDK 15.3.0 with SES 4.30c on a PCA10040. Yesterday I upgraded to nRF5 SDK 17.0.2 and SES 5.60. When I connected PCA10040 I got a message that something wanted...
