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Tag: microcontoler
A Hardware Bug in the Raspberry Pi RP2350 MCU Causes Pins to Stick at 2.15V
A Hardware Bug in the RP2350 microcontroller family causes GPIO pins to get stuck at around 2.15V when configured as inputs with internal pull-down resistors. This "latching" behavior is due to a faulty fault-tolerant pad design from an unnamed IP vendor. The issue affects all GPIO...
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HealthyPi Move: Open-Source Biometric Monitor in a Watch Form Factor
HealthyPi Move is an open-source biometric monitor in a sleek watch form factor, designed for continuous or intermittent monitoring of vital biometric signals such as ECG, heart rate, HRV, PPG, SpO₂, blood-pressure trends, and respiration. Engineered for both everyday use and advanced...
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Exploring the Security and Performance Features of nRF9151: A Breakdown of Arm Cortex-M33, TrustZone, and CryptoCell
The newly developed System-in-Package (SIP) is a significant advancement for power-efficient cellular projects. It features a 64MHz Arm Cortex-M33 processor, LTE-M/NB-IoT cellular connectivity, and DECT NR+ connectivity, all integrated into a single chip. What sets this SIP apart is its...
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ESP32-MPY-Jama MicroPython IDE Programs ESP32 MCUs
MPY-Jama, created by Jean-Christophe Bos, is a great tool for those looking for a balance between heavy and light IDEs that support MicroPython. MicroPython is an open-source interpreter that runs on embedded hardware, allowing programmers to write easy-to-understand programs for...
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