High And Low Level Trigger Relay at Marie Sherry blog

High And Low Level Trigger Relay. One notable feature of this relay module is the ability to select the trigger level (high or low) using a jumper. The module operating voltage 12v; Use konnected to switch things on and off with a relay module. This flexibility makes it compatible with a wide range of microcontrollers and control. A mechanical relay needs current to pass through its bobin to trigger. If you wire one end of the bobbin at v+ then you trigger it by driving the other end low, if you wire the first. The module can be high or low by a jumper setting trigger; I assume that those are to define if the relay is tripped by a high or low signal on this arduino pin. You also have some jumpers that seem to be doing something for high or low:

4 relay module high/low level trigger Programming Questions Arduino Forum
from forum.arduino.cc

The module can be high or low by a jumper setting trigger; I assume that those are to define if the relay is tripped by a high or low signal on this arduino pin. Use konnected to switch things on and off with a relay module. This flexibility makes it compatible with a wide range of microcontrollers and control. One notable feature of this relay module is the ability to select the trigger level (high or low) using a jumper. If you wire one end of the bobbin at v+ then you trigger it by driving the other end low, if you wire the first. A mechanical relay needs current to pass through its bobin to trigger. You also have some jumpers that seem to be doing something for high or low: The module operating voltage 12v;

4 relay module high/low level trigger Programming Questions Arduino Forum

High And Low Level Trigger Relay You also have some jumpers that seem to be doing something for high or low: A mechanical relay needs current to pass through its bobin to trigger. This flexibility makes it compatible with a wide range of microcontrollers and control. Use konnected to switch things on and off with a relay module. One notable feature of this relay module is the ability to select the trigger level (high or low) using a jumper. The module can be high or low by a jumper setting trigger; If you wire one end of the bobbin at v+ then you trigger it by driving the other end low, if you wire the first. The module operating voltage 12v; You also have some jumpers that seem to be doing something for high or low: I assume that those are to define if the relay is tripped by a high or low signal on this arduino pin.

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