hackster
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October 5
- STMicro Unveils Page EEPROM Chips — Blending the Benefits of EEPROM and Flash Memory➀ STMicroelectronics introduces Page EEPROM, a new memory device offering the power efficiency of EEPROM and the capacity and speed of flash memory; ➁ The new Page EEPROM is designed for ultra-low-power IoT modules and solves the EEPROM-versus-flash debate with a lower-power alternative; ➂ It boasts power efficiency exceeding most rival EEPROMs, high performance with a 320Mb/s read speed, and longevity with 100-year data retention and 500,000-cycle write endurance; ➃ STMicro has launched three models of Page EEPROM: M95P08, M95P16, and M95P32, with support for byte-level operations and page programming; ➄ The X-NUCLEO-PGEEZ1 evaluation board hosts a M95P32 Page EEPROM and is accessible over an SPI bus for rapid experimentation.
October 2
- Engineer Pits a 555 Timer Against a Microcontroller in This Circuit Design Challenge➀ Thomas Goff organized a contest comparing the 555 timer IC with a microcontroller (PIC12) for DC motor control; ➁ The microcontroller used was an eight-bit Microchip PIC12F1840 with an internal oscillator to reduce components; ➂ Goff utilized the PIC12's built-in ADC and PWM generator, coding in MPLAB IDE with the native C library or Arduino framework; ➃ The 555 timer circuit consists of a sawtooth waveform generator and a comparator stage; ➄ The article includes a detailed write-up with schematics, videos, and results of the showdown.
August 19
- Laser-Focused GPS Replacement➀ GPS reliance issues highlighted, including signal blockage and intentional interference. ➁ Quantum inertial measurement units proposed as a solution, though currently impractical due to size and cost. ➂ Sandia National Laboratories developing compact atom interferometers using Photonic Integrated Circuits (PICs). ➃ PICs enhance system compactness, durability, and resistance to vibrations and shocks. ➄ Silicon photonic modulators developed to control light and reduce sidebands, improving system performance.