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Arduino 2.7 in × 2.1 in [ 68.6 mm × 53.3 mm ] USB 32U4 [16] 5 V 32 1 2.5 20 7 12 July 23, 2012 [19] The Leonardo uses the ATmega32U4 processor, which has a USB controller built-in, eliminating one chip as compared to previous Arduinos. Arduino Uno [20] Arduino Yes ATmega328P [21] 16 MHz Arduino 2.7 in × 2.1 in [ 68.6 mm × 53.3 mm ]
Seeeduino V4.2 is an Arduino-compatible board, which is based on ATmega328P MCU, Arduino UNO bootloader, and with an ATmega16U2 as a UART-to-USB converter. The three on-board Grove interface can make your board connect to over 300 Grove modules. Seeeduino Cortex-M0+] SAMD21 Cortex-M0+. Seeed Studio.
This is a 2003 era programmer for the Microchip "PIC" family of microcontrollers. It connects by RS 232 cable to a PC compatible running development software. In 2003 this unit cost $300 Canadian (about $200 US at the time). Devices called "programmers" are traditionally used to get
The silicon bandgap temperature sensor is an extremely common form of temperature sensor ( thermometer) used in electronic equipment. Its main advantage is that it can be included in a silicon integrated circuit at very low cost. The principle of the sensor is that the forward voltage of a silicon diode, which may be the base-emitter junction ...
For distributed temperature sensing often a code correlation technology [2] [3] [4] is employed which carries elements from both principles. OTDR was developed more than 20 years ago and has become the industry standard for telecom loss measurements which detects the—compared to Raman signal very dominant— Rayleigh backscattering signals.
Thermistor. A thermistor is a semiconductor type of resistor whose resistance is strongly dependent on temperature, more so than in standard resistors. The word thermistor is a portmanteau of thermal and resistor . Thermistors are categorized based on their conduction models. Negative-temperature-coefficient (NTC) thermistors have less ...
The integrated circuit sensor may come in a variety of interfaces — analogue or digital; for digital, these could be Serial Peripheral Interface, SMBus/I 2 C or 1-Wire.. In OpenBSD, many of the I 2 C temperature sensors from the below list have been supported and are accessible through the generalised hardware sensors framework [3] since OpenBSD 3.9 (2006), [4] [5]: §6.1 which has also ...
Infrared thermometer. An infrared thermometer is a thermometer which infers temperature from a portion of the thermal radiation sometimes called black-body radiation emitted by the object being measured. They are sometimes called laser thermometers as a laser is used to help aim the thermometer, or non-contact thermometers or temperature guns ...