nrfsec, For Unlocking Any Protected nRF51-Series System-on-Chip for Debug

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https://www.electronics-lab.com/nrfsec-unlocking-protected-nrf51-series-system-chip-debug/

Loren Browman, a security analyst recently published a guide to automated unlocking of Nordic Semiconductor’s nRF51-series systems-on-chips (SoCs) which claims to be protected, enabling a full memory dump or interactive debugging regardless of protection settings. In a blog piece for security firm Optiv, Loren Browman writes “Recently, while conducting an assessment for a product based […]

Troubleshooting I2C for Arduino and nRF51822

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https://www.electronics-lab.com/troubleshooting-i2c-arduino-nrf51822/

bitknitting.wordpress.com documented his efforts to transmit data over the I2C interface and analyze traffic using a USB login analyzer. The goal of this post is to transmit data over the I2C interface. Confirmation that the data was transferred will be output of the SDA/SCL lines when my Saleae Logic Analyzer is inserted between the I2C […]