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Digital Multimeter DT830D PHY-267 Type: Digital / Voltage Rating: 1000Vdc/750Vac Rms Impedance: 1MOhm / Requires a 9V Battery Capacity: 200 mV, 2000mV, 20V, 200V and 1000V (DC Voltage), 200µA, 2000µA, 20mA, 200mA and 10A (DC Current), 200V and 750V (AC Voltage), 200, 2000 Ohms, 20, 200 and 2000KOhms (Resistance)
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Digital Light-Lux Meter HS1010 PHY-281 Test range: 0Lux-200000Lux; 20/200/2000/20000Fc LUX/FC unit selection. Reading locked hold. Max and min reading hold function. Automatic measuring. Automatic data recording. Low battery indication. Suitbale for school, workplaces and all visible light environment
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General Description GY-26-USART is a low cost plane digital compass module. The working principle is utilizing magnetoresistive sensor sensing the Earth's magnetic field component to get an azimuth angle. It communicates with upper computer through UART. Output format is ASCII. With solid state compass design, it has stable operation, high accuracy and advanced hard iron compensation function. It can overcome surrounding magnetic interference. Baud rate is optional. The product has three work modes; Normal mode, continuous mode and calibration mode. You can choose UART or IIC communication to use it.
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Features: >The smallest Arduino Compatible breakout board measuring less than 1 square inch! >Support for the Arduino IDE 1.0 (OSX/Win/Linux). >Power via USB or External Source: 7V - 35V DC (12v or less recommended). >Automatic selection between 5V USB and External Source for Power. >On-board 500ma 5V Regulator. >On-board microUSB port for easy programming & power. >6 I/O Pins: 2 pins (P3 & P4) are tied to USB (This means if your program actively communicates over USB they will be in use. If your program does not actively communicate over USB you can use all 6 I/O pins after programming via USB). >8k Flash Memory (about 6k after bootloader). >Communication Protocols Supported: I2C and SPI T. >PWM on 3 pins (more possible with Software PWM). >ADC on 4 pins. >Power LED and Status LED on-board.