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an open source .NET platform for resource-constrained devices with at least 256 KBytes of flash and 64 KBytes of RAM. It includes a small version of the .NET CLR an…
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Questions relating systems powered by a 12 volt supply. This may include automotive systems and lead-acid batteries that are nominally 12 volts although be aware that under many conditions the actual …
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a microlan protocol developed by Maxim-Dallas, similar to I2C and SPI, but using a single Data/Ground pair. Typically includes Parasitic Power on the Data line, through the use of strict com…
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Questions relating systems powered by a 24 volt supply.
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Questions regarding 3.3V level signals, level-shifting, and circuits.
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all related to three-dimensional space and/or stereoscopy
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a commonly used range of values for a current loop where 4mA represents the lowest value and 20mA indicates the maximum. Some advantages compared to sending a volt…
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a license-free area of the RF spectrum in many countries. It tends to be restricted to low power and bandwidth but allows simple modulation schemes making it popular for low cost / bandwidth…
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an integrated circuit (chip) used in a variety of timer, pulse generation and oscillator applications. The part is still in widespread use, thanks to its ease of use, low price and…
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Questions regarding 5V level signals, level-shifting, and circuits.
6800 refers to an 8-bit CPU from Motorola (MC6800), its instruction set, as well as various ICs and interfaces of M6800 Microcomputer System.
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Anything related to the 74HC595 integrated circuit. The 74HC595 is an 8 bit serial-input/parallel-output shift register with output latches and tri-state outputs.
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a member of 78xx series of fixed linear voltage regulator ICs.
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A numeric display consisting of seven segments per digit, allowing characters 0 to 9 to be displayed by selecting which segment is on or off. Can have each digit independently controlled, or can be mu…
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a set of media access control (MAC) and physical layer (PHY) specifications for implementing wireless local area network (WLAN) computer communication in the 2.4, 3.6, 5 and 60 GHz freq…
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IEEE 802.15.4 standard
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a (still) very popular chip in the Intel MCS-51 micro controller series.
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An eight bit microprocessor made by Intel in 1976.
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refers to alternating current mains power. It usually applies to voltages with >100V RMS, but can also be used for ex. 24V industrial AC power.
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A sensor to measure acceleration.
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Questions regarding the safe and effecient design and implementation of AC voltage to DC voltage supplies. Typically Mains to some lower DC voltage.
Phenomenon related to DIY PCB fabrication, where acid gets concentrated on tracks' sharp angles causing over-etching.