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...
Is it possible to connected two separated antennas (single ended), one for RX and another for TX communications to the receiver and transmitter of the NRF51 or NRF52?
Thanks...
In other words, is it safe to assume that in various BLE events, conn_handle is either invalid (0xFFFF) or between 0 and (CENTRAL_LINK_COUNT + PERIPHERAL_LINK_COUNT - 1) ...
I'm digging my way through the examples, SDK code, etc, and I'm curious if it's possible to light an LED if the nRF52832 is reaching an error status. This is mainly so I can...
Hello,
I am seeing a strange problem with the nRF52 RADIO peripheral: sometimes a packet will be received that is corrupted, but the CRCSTATUS register indicates the CRC...
My company is developing an embedded product based on NRF52 and until now we are
using Master Control Panel (MCP) to test BLE communication. MCP is a great tool
but we need...
Hi,
when trying to connect to a 51822 target, using for example OOCD
I keep getting
....
Open On-Chip Debugger 0.10.0-rc1-dev-00001-gc404ff5-dirty (2016-12-29-19:45...
I use PPK wit ha stardard setup with all switches set to DK. Everything works fine, excepted that I have a little offset and the IDLE state is negative... which make the AVG...
I have designed a few PCBs using the NRF52 chip with a standard QFN48 pattern. On the first design, we had 8 PCB's made of which, only 2 worked correctly. The others all exhibited...
Hello,
I received BLE_ERROR_GATTS_SYS_ATTR_MISSING event during connection procedure. Tried to look inside and found
/**@brief Event structure for @ref BLE_GATTS_EVT_SYS_ATTR_MISSING...
In code:
case PM_EVT_BONDED_PEER_CONNECTED:
NRF_LOG_DEBUG("Connected to previously bonded device\r\n");
err_code = pm_peer_rank_highest(p_evt->peer_id);
i get...
Hello there,
We're getting an assert in the above code in Soft Device s110 sdk 8.0.3. Can you give us some info as to what that is and how we can address it? To give you...
(EN)
I'm afraid I might no be competent enough, so I look forward to your kind help.
I'm quite new to using nRF52832 WLCSP package(raytac MDBT42 blank module) on a custom...
Hello again,
fortunately I made some progress using the IoT-SDK v0.8.0 on nRF51. I extended the MQTT-example to my needs, but there are still some questions.
The final...