![]() ![]() Function setPower sets dimming value from 0 to 100%Ĥ. OFF - turns timer parameters OFF, prevents the use of dimmer.ģ. ON - turns timer ON, allows to use dimmer.ī. This solutions implies change of dimming values by means of hardware timer, without using the cycle code.Įxample of this mode located in \RBDdimmer\examples\SimpleToggleDimmerĪ. TOGGLE_MODE smooth change of dimming value up or down in a defined range. NORMAL_MODE to make dimmer work in defined value from 0 to 100 (%) (integer)Įxample of this mode located in \RBDdimmer\examples\SimpleDimmerī. Parameter 1: dimmer working modes consist of two choices - NORMAL_MODE and TOGGLE_MODEĪ. Function begin port initialization, timer and external interrupt from zero-cross.ĭimmer.begin(NORMAL_MODE, ON/OFF) port initialization, work mode choice, ON/OFF. ![]() Function dimmerLamp - this function initializes the number of operating pin and is defined by the userĭimmerLamp dimmer(4, 2) dimmer output DIM/PSM is initialized on the pin 4 and zero-cross initialized on pin 2.Ģ. Note that Zero requires connection to designated microcontroller pins (which are different depending on the model of Uno, Nano, Leonardo, Mega), since it tied to microcontroller interrupts.ġ. Second (DIM/PSM) to control (dim) current. First (Zero) to control the passing of Phase Null of AC, which is used to initiate the interrupt signal. We are constantly updating our library, so we recommend checking for website updates or subscribe to our newsletter.ĭimmer is connected to Arduino controllers via two digital pins. You can download RBDDimmer.h library and a few examples in «Documents» or on GitHub. This is why you can control multiple Dimmers from one microcontroller. It simplifies the code writing and gives more processing time for the main code. ![]() In Arduino, a dimmer is controlled with RBDdimmer.h library, which uses external interrupts and process time interrupts. The logical level is tolerant to 5V and 3.3V, therefore it can be connected to the microcontroller with 5V and 3.3V level logic. Note that luminescent lamps (gas discharge lamps) do not support dimming.Ī power of the dimmer is isolated from the control part, to exclude the possibility of high current disruption to a microcontroller. It’s less stable with low brightness dimmable LED lamps, but with moderate and high brightness it will perform a solid job. ![]() Dimmer works most effectively with filament lamps. The lamp is slowly turning ON or OFF, creating a comfortable atmosphere. For example, when you need to smoothly change the light brightness. Lately, Dimmer has become an often-used decision for smart home systems. In most cases, Dimmer is used to turning the power ON/OFF for lamps or heating elements, it can also be used in fans, pumps, air cleaners, e.t.c. The AC Dimmer is designed to control the alternating current voltage, which can transfer current up to 400V/8А. ![]()
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