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MicroSD card SPI schematic recommendation
Hi All   I have not used a micro SD card for a project for many years. Previously I had simply connected all the pins to an SPI port and used FatFS. But there was no...
Saturday, 30 April 2022 - 11:00
WINC3400 Applying Server Root Certs
  Hi All   Our servers have updated the root certs from BaltimoreCyberTrustRoot to DigiCertGlobalRootG2, therefore using the root_cert_downloader.bat tool...
Saturday, 9 April 2022 - 11:38
SAMD21J18A - region `ram' overflowed
Hi All   I am working on a wifi project that requires a root certificate on to the SAMD21.   It seems I am running out of RAM memory, as i am getting the following error...
Friday, 8 April 2022 - 20:32
SAMD21J18A - region `ram' overflowed by 1372 bytes
Hi All   I am working on a wifi project that requires a root certificate on to the SAMD21.   It seems I am running out of RAM memory.   Is there away to save this...
Friday, 8 April 2022 - 19:55
Power Stability for electrochemical sensors ?
Hi All   I am working on a test project that will require an electrochemical N02 sensor.  This is my design as shown below. It works very well. But I have noticed...
Monday, 4 April 2022 - 18:35
TWI libary hanging
Hi   I am using the following i2c ADC  AD5593R (Rev. E) (analog.com)   I would like to read the ADC every few seconds e.g. 5 or 10 seconds to get an average...
Thursday, 31 March 2022 - 21:08
Voltage divider circuit PCB ?
Hi All   This seems to be a simple question.   I have sensor output between 0 to 5V.   My ADC VREF is 2.5V.   Therefore I need a simple voltage divider circuit...
Friday, 25 March 2022 - 16:44
Additional ADC ports approach?
Hi    I am working on a project that will require about 6 to 8 ADC, these are for analogue outputs from various sensors.   My main PCB has only 2 ADC that are...
Thursday, 17 March 2022 - 19:09
Measuring AC current flow for 24V and 3 phase power
Hi All   I am working on a small project, where I need to be able to detect flowing current on existing pump power control boxes such as https://www.henrypumps.co.uk/sewage-...
Friday, 11 March 2022 - 18:37
PCB Edge connector strength and fixture
Hi All   I am planning to use the following Samtec Edge connector.    https://www.samtec.com/products/...   Once a PCB is inserted into this connector, do we...
Saturday, 26 February 2022 - 10:37
Disable TLS Server authentication on WINC3400
Hi    How do we disable TLS Server authentication?   We are using Azure IoT Hub, as need to test out a test server, where would like to by pass both...
Saturday, 12 February 2022 - 18:42
WINC3400 downloading bin files
Hi All   How do you download files onto the module or at least the content so it can be saved into flash?   I have a bin file, which is located in blob storage. At...
Saturday, 12 February 2022 - 18:14

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