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HiFive1 board Uno form factor, 5 V and 3.3 V, 19 digital I/O (9 PWM), 0 analogue in. 16 MB QSPI flash (execute in place, with 16 KB icache), 16 KB SRAM. Arduino IDE support with 16/256/320 MHz presets and port of Arduino library. Also works with standard C/C++, stdio, GDB from the shell. Hardware multiply (4 cycles) and divide (32 cycles).
Marlin is open source firmware originally designed for RepRap project FDM (fused deposition modeling) 3D printers using the Arduino platform. [1] [2] [3]Once the firmware has been compiled from C++ source code; it is installed and runs on a mainboard with onboard components and general-purpose I/O pins to control and communicate with other components.
Open collector, open drain, open emitter, and open source refer to integrated circuit (IC) output pin configurations that process the IC's internal function through a transistor with an exposed terminal that is internally unconnected (i.e. "open"). One of the IC's internal high or low voltage rails typically connects to another terminal of that ...
On the left the larger chip version, on the right a small version in USB format. The MSP430 is a mixed-signal microcontroller family from Texas Instruments, first introduced on 14 February 1992. [ 1] Built around a 16-bit CPU, the MSP430 was designed for low power consumption, [ 2] embedded applications and low cost.
Rotary encoder. A Gray code absolute rotary encoder with 13 tracks. At the top, the housing, interrupter disk, and light source can be seen; at the bottom the sensing element and support components. A rotary encoder, also called a shaft encoder, is an electro-mechanical device that converts the angular position or motion of a shaft or axle to ...
libavcodec is a free and open-source [ 4] library of codecs for encoding and decoding video and audio data. [ 5] libavcodec is an integral part of many open-source multimedia applications and frameworks. The popular MPV, xine and VLC media players use it as their main, built-in decoding engine that enables playback of many audio and video ...
The Adaptive Multi-Rate (AMR, AMR-NB or GSM-AMR) audio codec is an audio compression format optimized for speech coding.AMR is a multi-rate narrowband speech codec that encodes narrowband (200–3400 Hz) signals at variable bit rates ranging from 4.75 to 12.2 kbit/s with toll quality [3] speech starting at 7.4 kbit/s.
An incremental encoder is a linear or rotary electromechanical device that has two output signals, A and B, which issue pulses when the device is moved. [ 1] Together, the A and B signals indicate both the occurrence of and direction of movement. Many incremental encoders have an additional output signal, typically designated index[ 2] or Z ...