Is there a 5V 8 Channel relay board?

Is there a 5V 8 Channel relay board?

Customer Review: Great device! This is a 5V 8-Channel Relay interface board, Be able to control various appliances, and other equipments with large current. It can be controlled directly by Microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).

What is the sainsmart 8 channel remote control model?

Strongly recommended SainSmart 8 channels WiFi remote control model . It works with the 8 channel relay to help you realize controlling your other devices remotely. This Model helps you to avoid complicated wiring processes and save you much time to accomplish your goal.

What does an 8 bit relay board do?

Apparently the board needs to receive the decimal value of an 8-bit binary number. Each bit represents a relay organized as LSB, where the value of each bit represents that relay state (0 = off, 1 = on). For example, “10001001” would turn on relays 8, 4, and 1. All others would turn off.

Can a microcontroller control an Arduino relay board?

Standard interface that can be controlled directly by microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) This is a 5V 8-Channel Relay interface board, Be able to control various appliances and other equipment with large current.

What do you need to know about a relay?

– Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) . – Indication LED’s for Relay output status. A Relay is an electrically operated switch. Many relays use an electromagnet to mechanically operate the switch and provide electrical isolation between two circuits.

Is there an 8 Channel relay for Raspberry Pi?

– This 8 channel 5V relay has both optical and magnetic isolation, providing a lot of protection to the inputs from electrical faults on the outputs. – Works well with both 3.3V and 5V logic (Raspberry Pi, Arduino, Teensy..), requiring little current drive.

Why do USB relays need 12 VDC to work?

When the board is connected to the PC and the PC is restarted, the relays will be toggled several times. This is because of the structure of the FTDI chip. The device must be supplied with 12 VDC or order to work. There is no protection against reversed voltage!