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An Arduino-compatible board that includes a Zigbee radio . The ZB1 can be powered by USB, a wall adapter or an external battery source. It is designed for low-cost Wireless sensor network applications. SunDuino2 [111] ATmega16/32/324/644 An open source enhanced Arduino-compatible board that uses an ATmega16/32/324/644 instead of an ATmega168.
Simplified single line diagram of a single-phase transfer switch to select either 'city' (utility) power or local generator power 3-phase Intelligent transfer switch. A transfer switch is an electrical switch that switches a load between two sources. Some transfer switches are manual, in that an operator effects the transfer by throwing a ...
In an alternating current (AC) electric power system, synchronization is the process of matching the frequency, phase and voltage of a generator or other source to an electrical grid in order to transfer power. If two unconnected segments of a grid are to be connected to each other, they cannot safely exchange AC power until they are synchronized.
Power LED (red) and User LED (green) attached to pin 13 on an Arduino-compatible board. Most Arduino boards contain a light-emitting diode (LED) and a current-limiting resistor connected between pin 13 and ground, which is a convenient feature for many tests and program functions. [76]
A standby generator is a back-up electrical system that operates automatically. [1] Within seconds of a utility outage an automatic transfer switch senses the power loss, commands the generator to start and then transfers the electrical load to the generator. The standby generator begins supplying power to the circuits. [2]
The STK600 uses a base board, a signal routing board, and a target board. The base board is similar to the STK500, in that it provides a power supply, clock, in-system programming, an RS-232 port and a CAN (Controller Area Network, an automotive standard) port via DE9 connectors, and stake pins for all of the GPIO signals from the target device.
Ladder notation is best suited to control problems where only binary variables are required and where interlocking and sequencing of binary is the primary control problem. Like all parallel programming languages , the sequential order of operations may be undefined or obscure; logic race conditions are possible which may produce unexpected results.
The design power output of a generator, at specified temperature rise. nanoinverter Grid tied inverters rated less than 100 watts, useful for connection of single solar PV panels to a building AC power system. nanotechnology Technology that uses devices whose principal dimensions are of the order of a few nanometres. National Electric Code