8 channel relay driver

The opendrain poweron reset rst pin remains low until the regulator exceeds the set threshold, and the timer. The max4896 8channel relay and load driver is designed for medium voltage applications up to 50v. This is relay card with eight spdt relays which is controlled via pc usb port. This neat relay module features 8 x 12v relays rated at 10a250v each.

The shield uses arduino analog pins a4 and a5 for i2c serial communications with your sketch. This is a 5v 8 channel relay interface board, be able to control various appliances and other equipment with large current. The 8 channel relay driver shield makes it simple and convenient to drive up to 8 loads such as 12v relays from just 2 pins of your arduino compatible board or other microcontroller. It communicates with your board using i2c, so you can even stack several shields together to drive 16, 24, or more outputs.

We have created flexible software for this usb relay board, that allows you to make simple automation project or control from command line. The max4896 8 channel relay driver offers builtin inductive kickback protection, drive for latchingnonlatching or dual. The ncv7240 is an automotive eight channel low side driver providing drive capability up to 600 ma per channel. Jumpers a1 and a2 must be set to unique positions on each subsequent 32 channel relay controller on the i2c chain. In this 4channel relay driver circuit we have used an optocoupler whic his triggered by active low signal, to trigger the npn transistor which further drives the relay. Address a0 is permanently tied high on the second mcp23017 of this device. Jumpers a1 and a2 must be set to unique positions on each subsequent 32channel relay controller on the i2c chain. Relay drivers gate drivers are available at mouser electronics. Sainsmart usb 48channel relay card, see note 2 below. Relay driver circuit using ic uln2003 with applications. The details of the 4 channel relay board is given below. Control it using a microcontroller connected to either the input solder pads, or using an. The uln2803a 8channel darlington driver is a logic compatible npn darlington transistor array for driving high current high voltage loads. With this module users are able to do remote control switching power supply centralized management, the purpose of this product can be directly by net poe power supply switch power supply is connected to the internet, so you just need to a cable.

This is a 5v 8channel relay interface board, be able to control various appliances and other equipment with large current. It communicates with your board using i2c, so you can even stack. Includes backemf protection and works with a wide range of relays. This is eight channel relay board controlled by computer usb port. There will be no delay in shipments and the workflow will remain as. Standard interface that can be controlled directly by microcontroller arduino, 8051, avr, pic, dsp, arm, arm, msp430, ttl logic. The relay driver uln2003 ic is a high voltage and current darlington array ic, it comprises of 7open collector darlington pairs with common emitters. Thermal shutdown disables power save from all channels to reduce power dissipation inside the device. It comes with mcp2200 chipset, 4 spdt relays each rated with up to 10a, relays states saving in. The general purpose of the relay board is connection to a pcs usb port using vcp virtual com port.

The ic uln2003a is a darlington transistor array which deals with highvoltage and highcurrent. The device has a status leds for each relay, and state of the relays can be read back. It communicates with your board using i2c, so you can even stack several shields together to drive 16, 24, or more out. The goal of this project is providing opensource api for several usb hid relay models sold on ebay search for usb relay programmable computer control for smart home. Demo video how you can control the usb 8 channel relay board from command line, browser and tablet the same time because of our command line tool. High side toggle switch driver, low side toggle switch driver, bipolar npn transistor driver, darlington transistor driver, nchannel mosfet driver, and uln2003 driver.

Datasheet download driver manual utilities extended specifications return policy. Relay8 8channel relay driver shield quickstart guide. Io breakout 8 channel relay driver superhouse automation. For larger loads you can use this shield to control fets or solid state switches. Dec 11, 2014 this is eight channel relay board controlled by computer usb port. You can use any of the output channels independently, so simply leave any unused channels disconnected. The max4896 8channel relay driver offers builtin inductive kickback protection, drive for latchingnonlatching or dual. Sainsmart 8channel relay module 5v 8channel relay interface board, and each one needs 1520ma driver current. For drivers, information and software examples please visit info 0 items 0. Nov 29, 2019 8 lowside relay drivers suitable for relays with up to 24v coils. Relay boards with io 8 channel usb relay board wio. Included are two 6p6c i2c connectors, a female 20pin dual row connector to attach to the relay boards header, a pca9671 16 channel i2c io expander, and three address jumpers to select 1 of 8 possible addresses. Numatos urmc8 8 channel usb relay module provides an exceptional value for money. Urmc8 8 channel usb relay module is great for controlling your devices through usb without any usb protocol knowledge.

Here we have used 12v 10amp relay in this pcb board, but you can also use 5v relays. You may recall the tlc555 relay driver circuit that i recently posted, it too is a low side driver. New relay cards support can be added by providing the cards driver code for detecting the card, reading and setting the relays. The shield uses arduino analog pins a4 and a5 for i2c. The device consists of eight npn darlington pairs that feature highvoltage outputs with commoncathode clamp diodes for switching inductive loads. Sainsmart 8 channel relay module 5v 8 channel relay interface board, and each one needs 1520ma driver current. The usbrly08b is an update of the obsolete usbrly08. Pc software control of module icse014a 8 channel relay board with micro usb cable part 2. The 8channel relay driver shield makes it simple and convenient to drive up to 8 loads such as 12v relays from just 2 pins of your arduino compatible board or other microcontroller. How to build a relay driver circuit learning about electronics. Drive up to 8 relays from your arduino using just 2 io pins with this shield. The 8 channel relay driver shield drives up to 8 relays from your arduino using just 2 io pins. Nov 10, 2015 pc software control of module icse014a 8 channel relay board with micro usb cable part 2. The usb relay board is with 8 spdt relays rated up to 7a each.

There will be no delay in shipments and the workflow will remain as it has been. The max4896 8 channel relay and load driver is designed for medium voltage applications up to 50v. A relay driver circuit is a circuit which can drive, or operate, a relay so that it can function appropriately in a circuit. There are various types of relay driver ics such as a high side toggle switch, low side toggle switch, bipolar npn transistor, darlington transistor, n channel mosfet, uln2003 driver ic. The driven relay can then operate as a switch in the circuit which can open or close, according to the needs of the circuit and its operation. Sainsmart 8channel 12 v usb relay board module controller for automation robotics. Uln2803 is a 8channel high voltage, high current darlington transistor array. Shown below is the connection details to connect 4 channel relay board with arduino. Make offer 5v micro usb 8channel 8 ch relay module 10a driverfree pc control icse014a. 5v 8 channel relay interface board and each one needs 1520ma driver current. For demonstrating the working of this relay module, we have used. This happens even with a usb power supply instead of the pc, so its not a driver issue. Maximum output current per channel is 115ma, which is plenty to drive common relays.

This device is offered in a 20pin, 5mm x 5mm tqfn package, resulting in substantial boardspace savings. It is powered from any standard usb bus and has an exceptionally low maximum current consumption of approx. Apr 10, 2018 hello everyone, welcome back to my channel. There are various types of relay driver ics such as a high side toggle switch, low side toggle switch, bipolar npn transistor, darlington transistor, n. Control it using a microcontroller connected to either the input solder pads, or using an io breakout cable.

A pair of darlington is an arrangement of two bipolar transistors. The devantech 8channel usb relay module provides eight volt free contact relay outputs with a current rating of up to 1amp each. Individual relays can be controlled by simple commands. You may control devices 230v 120v up to 8 directly with one. Relay driver circuit using ic uln2003 and its working. In this 4 channel relay driver circuit we have used an optocoupler whic his triggered by active low signal, to trigger the npn transistor which further drives the relay. This architecture prevents the possibility of onboard conflicts. The i2c connector makes it easy to add the i2crelay16 to our various i2c products and adapters. The devantech 8 channel usb relay module provides eight volt free contact relay outputs with a current rating of up to 1amp each. Relay boards with io 8 channel usb relay board wio and. Usb relay boards and modules controlled via virtual serial port or bitbang mode. Numato labs 8 channel relay breakout module is a smart choice for controlling higher current loads from your microcontroller development board, pc parallel port or your favorite arduino. Relay s coil voltage is 12v, so you can use directly with any 12v regulator.

The 8channel relay driver shield drives up to 8 relays from your arduino using just 2 io pins. Its designed to switch up to 8 high current 10a or high voltage 250v loads from a microcontroller. This dip chip contains 8 drivers that can sink 500ma from a 50v supply and has kickback diodes included inside for driving coils. This device is offered in a 20pin, 5mm x 5mm tqfn package, resulting in substantial board space savings. Most 8 channel boards have an rs232 output that is used to connect additional units using only one control port. This post is intended for beginners to interface relay boards with arduino. It uses a different usb driver, otherwise is a drop in replacement. This is my 4th tutorial on how to drive a relay not a relay module with an arduino.

The second version of our popular usb 4 relay board with several improvements. How to control usb 8 relay board through windows operating. It can be controlled directly by microcontroller raspberry pi, arduino, 8051, avr, pic, dsp, arm, arm, msp430, ttl logic. There are hundreds of tutorial available on how to use a relay module but i could not find a good one that shows how to use a relay and not a relay module. To all customers and suppliers, with reference to the current international health situation we confirm the normal activity of our company. Sainsmart 8 channel 12 v usb relay board module controller for automation robotics specification 8 spdt relays srd12vdcslc relay specification.

Pc software control of module icse014a 8 channel relay board. Pc software control of module icse014a 8 channel relay. Output control is via a spi port and offers convenient reporting of faults for open load or short to ground, over load, and over temperature conditions. The 8 channel relay board can be used to turn lights, fans and other devices onoff while keeping them isolated from your microcontroller.