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nrf52dk cannot find max30101 breakout board over i2c 0

Hi, I am using the heart rate sample. I have connected ground to ground, 3.3v to vdd, SDA to pin 26 and SCL to pin 27. I have 4.7k pullup resistors on SDA and SCL. When...
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Started 1 hour ago
by hemmie
Not Answered
Struggling to isolate custom nRF52840 board from DK on-board debugger 0

Hi, I am developing a custom PCB based on the nRF52840 and am currently trying to flash/debug it using an nRF52840-DK (PCA10056) as an external debugger. connected devices...
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0 replies

Started 3 hours ago
by lassey0
Not Answered
Regarding Matching Network NRF54L15 0

So I have two questions. My first is on the impedance matching network on different pcb stackups. So wouldn't I need a different matching network for a different pcb stackup...
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0 replies

Started 1 day ago
by Amaan Singh
Not Answered
NRF Mesh Android Library, return device key even if provisioning fails 0

We use the NRF Mesh Android Library (and are developing with iOS version as well). An issue that we are running into on a small number of devices is that the library things...
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0 replies

Started 1 day ago
by jm_solar
Not Answered
I2C port requirements in nRF54lm20a 0

I am testing a custom board prototype and having trouble getting I2C to work. During testing, I was able to observe activity on the SDA line, although it consisted of only...
55 views

0 replies

Started 1 day ago
by Rodrigo Moraes

Recent in the DevZone Blog

Connected Home over IP: Sneak peek of early development on nRF52840

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This blog post provides step-by-step instruction on running Door Lock example from the CHIP repository. It demonstrates how with help of the mobile phone, commission accessory to the network using Bluetooth…
- 28 Dec 2020
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Hello everyone, 5 years ago, FruityMesh was open sourced as the first connection-based Bluetooth Low Energy mesh network based on the nRF52 series. Now, after constant development at our Mway headquarter…
- 17 Dec 2020
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The nRF9160 is an exciting addition to Nordic's lineup of processors and radios. Ever since the announcement of a Nordic cellular product, I was chomping at the bit to dive in. And boy, did I get that…
- 19 Nov 2020
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- 9 Nov 2020
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MariaG

Introduction Machine learning(ML) is a still growing field, and with the TensorFlow Lite port, there is now support for machine learning on microcontrollers. TensorFlow is an end-to-end ML-platform owned…
- 29 Jul 2020
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For the longest time we’ve had this idea, of turning one of our most-used Swift Collection Types into a simple one-instruction comparison call, down at the assembly level, to check whether an element belongs…
- 23 Jul 2020