Hi. I'm trying to write a simple MQTT app. I am consistently getting these KConfig errors to do with variables I'm not using, and I have tried to set CMake to ignore these...
Good day,
I've developed a board with a MDBT50Q on it. I'm using the Reg0 DC/DC and LDO Mode Disabled reference circuit ( https://www.raytac.com/download/index.php?index_id...
Hi,
I have the issue that my Zigbee device reports the error "Production configuration is not present or invalid (status: -1)". I followed the guide from this( https://docs...
Hi,
I am using an nRF52840 as a Zigbee NCP. I have built the firmware myself using nRF Connect, and I am also running MCUBoot. Sometimes after some usage, the chip starts...
Hello everyone,
I am testing out I2C on the nRF54L15 for a custom PCB project.
I first tested a simple mpu6050 sensor on &i2c21 on pins P1.11 for SCL and P1.12 for SDA...
I have a bit of an unusual use case where the nPM1300 is quite ideal but need to use an external charger for the battery instead of the internal charger. The nPM1300 fuel...
Hello,
We are currently developing with the nRF9151 and would like to request more information regarding GNSS SNR testing.
We have reviewed the documented GNSS functionality...
I am making some NRF51822-based temperature sensor nodes, powered by CR2032 coin cells, and I would like to minimise power usage in order to maximise battery life. I am using...
Hi,
I am doing a BLE based project using NRF51822. I am asked to build a 2 layer board.
According to the reference schematic BALF-NRF01D3 has been used with WLCSP package...
Hi,
I'm close to finishing the implementation of a system with a recording device with nrf51822, working with 6 sensors with nrf24L01.
The recorder is in receiving mode...
I'm looking for an approach to RF coexistence between an nRF51822 bluetooth SOC and a WiFi module such as the WL1801. Does anyone have any experience or recommendations for...
Hi guys,
I tried to flash the pca10001\blinky_example onto a nRF51822 with nRFgo Studio.
Flashing the s110 worked fine. But when I try to flash the hex from the example...
Hello All,
I'm thinking a small plastic case for a portable device.
It is possible to place pcb board (with pcb antenna) above the battery (Li-Po) or can interfere with...
I want to log basic intermittent events and push them to a previously associated mobile device when one is nearby. The mobile device can then forward the events up to a server...
I'd like to know what is the minimum and maximum frequency I can generate on a GPIO with a 50% duty cycle (+/-10% at the worst case). Which resources should I use for that...
In my case active CE signal defines byte boundaries - for each byte individually.
From what I see, DMA seems to stop on rising edge of CS regardless what is declared in...
Hello everyone,
I'm using nRF51822 development kit to do BLE network experiment.
The boards I use are PCA10005 with omnidirectional antenna, and PCA10004 with PCB antenna...
I'm looking at the UICR hardware peripheral example , and trying to figure out the utility in writing to the UICR registers.
Why would I want to modify the compiled hex...
Very new, so please forgive the questions, but...
I have an nrf8001 that I've powered up. After initial power up, I'm able to read the DeviceStartedEvent but the response...
I'm looking to integrate a digital (PDM/I2S) MEMS microphone into my nRF51822-based design. I'd like some pointers to reference designs or other information -- the ones that...
Hi,
I would to know why when the DC/DC is enabled the current is very high (57mA) during RF sending.
Why at the end of RF sending the current is higher than...
