This module contains two relays that are electrically isolated from the controlling input. The relays can be used to switch higher voltage and current loads than a microcontroller can traditionally accomplish.
It can be used to control various appliances, and other equipment with large current. It can be controlled directly with 3.3V or 5V logic signals from a microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).
Features:
1. 2 LEDs to indicate when relays are ON.
2. Works with logic level signals from 3.3V or 5V devices
3. Opto isolation circuitry
4. Module with diode current protection, short response time
5. Around the board with 4 mounting holes, hole diameter 3. 1 mm, easy installation and fixing
Specifications:
1. Low-Level Trigger Relay Module
2. Two separate LEDs for the On/Off indication of the Relay.
3. Triggering input voltage 3.3V – 5V
4. Two separate LEDs for On/Off indication of the Relay
5. Triggering input voltage 3.3V – 5V
6. Back EMF protection
7. Back EMF protection 2 LEDs to indicate when relays are ON.
8. Works with logic level signals from 3.3V or 5V devices
9. Opto isolation circuitry
10. Module with diode current protection, short response time
11. AC Control Voltage: 250V @max.10A
12. DC Control Voltage: 30V @max. 10A
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