---
product_id: 68193323
title: "DollaTek 5PCS KY-019 5V One Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay"
brand: "dollatek"
price: "€ 19.88"
currency: EUR
in_stock: true
reviews_count: 1
url: https://www.desertcart.gr/products/68193323-dollatek-5pcs-ky-019-5v-one-channel-relay-module-board
store_origin: GR
region: Greece
---

# 10A high load capacity 5V control voltage Pull-down circuit for false trigger prevention DollaTek 5PCS KY-019 5V One Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay

**Brand:** dollatek
**Price:** € 19.88
**Availability:** ✅ In Stock

## Summary

> ⚡ Command your smart world with precision and power!

## Quick Answers

- **What is this?** DollaTek 5PCS KY-019 5V One Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay by dollatek
- **How much does it cost?** € 19.88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/68193323-dollatek-5pcs-ky-019-5v-one-channel-relay-module-board)

## Best For

- dollatek enthusiasts

## Why This Product

- Trusted dollatek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile IoT Ready:** Perfect for smart home automation, remote controls, and mechatronics projects
- • **Powerhouse Switching:** Handles up to 10A at 250V AC or 30V DC for robust device control
- • **False Trigger Defense:** Built-in pull-down circuit ensures rock-solid relay activation without glitches
- • **Enhanced Drive Circuit:** 8050 transistor boost for reliable coil drive and high impedance control pins
- • **Seamless Microcontroller Integration:** Optimized for Arduino, Raspberry Pi, and other MCU platforms with 5V TTL signals

## Overview

The DollaTek 5PCS KY-019 5V One Channel Relay Module is a compact, high-performance relay board designed for microcontroller projects. Supporting up to 10A load at various voltages, it features a transistor-driven coil and a pull-down circuit to prevent false triggers. Ideal for IoT, home automation, and electronics control, this module offers reliable switching for AC/DC devices with seamless integration into Arduino and similar platforms.

## Description

br/>Features: 1.Name: Arduino kits module 2.5V relay module 1 way relay module ARDUINO 3.New 5V relay module Can be used as a microcontroller development board module, can be used as a home appliance control TTL 5V-12V control signal Control the DC or AC signal, can control the 220V AC load. There is a normally open and normally closed contact Power indicator light Control lamp, pull off bright, bright Transistor drive to increase the relay coil, control the foot high impedance. The control pin has a pull down circuit to prevent the false action of the suspended relay Package include:5 x modules

## Features

- This relay module is designed to control AC circuits by switching them ON or OFF in response to signals from microcontrollers like for Arduino or Raspberry Pi.
- It has an output drive capacity of 10A 250V AC, 10A 125V AC, 10A 30V DC, and 10A 28V DC, with an operating voltage of 5V.
- The design advantage includes the use of an 8050 Triode to increase relay coil drive, as well as a pull-down circuit on the control pin to prevent false actions.
- This relay module can be used as a single-chip development board module or as a controller for home appliances.
- It finds wide applications in IoT projects for controlling lights and other electronic devices, as well as in remote controls, communication systems, mechatronic devices, and powerful electronics devices.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | DollaTek |
| Part number | part_B07DJ4ZD99 |
| Item Weight | 60 g |
| Package Dimensions | 14 x 8 x 4.5 cm; 60 g |
| Manufacturer reference | part_B07DJ4ZD99 |
| Wattage | 133 	Milliwatts |
| Item Package Quantity | 1 |
| Plug profile | Through Hole Mount |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Connector type:** Through Hole
- **Contact material:** Silver
- **Contact type:** Work contact, quiet contact
- **Current rating:** 10 Amps
- **Mounting type:** Through Hole Mount

## Images

![DollaTek 5PCS KY-019 5V One Channel Relay Module Board Shield For PIC AVR DSP ARM for arduino Relay - Image 1](https://m.media-amazon.com/images/I/6133uKXGocL.jpg)

## Customer Reviews

### ⭐ 1.0 out of 5 stars







  
  
    Not too good
  

*by A***R on Reviewed in the United Kingdom on 9 July 2022*

One of these failed after switching a few times. I replaced it and the second one failed after switching twice. It seems the contacts have welded on both. This was with an A.C. load well below the rating.

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**Shop now:** [https://www.desertcart.gr/products/68193323-dollatek-5pcs-ky-019-5v-one-channel-relay-module-board](https://www.desertcart.gr/products/68193323-dollatek-5pcs-ky-019-5v-one-channel-relay-module-board)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-03-07*