The keyestudiorelay shield has integrated a 4-channel 5V relay module, which is fully compatible with UNO R3 control board.
The 4-channel relay on the shield is active at HIGH level. Separately connect the 4-channel relay to the digital port 4, 5, 6, 7 on the UNO R3 board, then through controlling output HIGH or LOW to control the relay on and off.
Features:
The relay shield is 5V active HIGH
Contact capacity: AC120V / 3A ; DC24V/3A
Onboard LED indicator for relay output status
Indicator: 4 LEDs are red when the relay is driven high, the corresponding indicator will light up.
Standard interface can be directly connected with microcontrollers.
Fully compatible with UNO R3 board
Be able to control various appliances and other equipment with large current.
3 M3 screw positioning holes for easy installation
By selecting "Accept all", you give us permission to use the following services on our website: Strictly necessary cookies, YouTube, Vimeo, Google Map, PayPal Express Checkout und Ratenzahlung, Google Kundenrezensionen, GoAffPro Affiliate Tracking, Google Analytics 4, Google Ads Conversion Tracking. You can change the settings at any time (fingerprint icon in the bottom left corner). For further details, please see Individual configuration and our Privacy notice.
The settings you specify here are stored in the "local storage" of your device. The settings will be remembered for the next time you visit our online shop. You can change these settings at any time (fingerprint icon in the bottom left corner).
For more information on cookie lifetime and required essential cookies, please see the Privacy notice.
Would you like to see these contents? Activate the desired contents for one session only or allow the website to remember these settings. Once you have given your consent, the third-party data can be loaded. For this, third-party cookies might be stored on your device. You can change these settings at any time (fingerprint icon in the bottom left corner). For further details, please see the Privacy notice.