Top Relay Board For Raspberry Pi 4 Reviews

Newest Raspberry Pi 8-Channel Relay Expansion Board 5V Power Relay Module for Raspberry Pi 4 3 2 Model B+ B Jetson Nano @XYGStudy

The RPi Relay Board (B) is an expansion board with 8-ch relays for Raspberry Pi.
It gives your Pi the ability to control high voltage products such as home appliances..
Standard Raspberry Pi 40PIN GPIO extension header, Supports Raspberry Pi A+/B+/2B/3B/3B+/4B and later versions, Jetson Nano.
High quality relays, loads up to 5A 250V AC or 5A 30V DC.
Photo coupling isolation, prevent interference from high voltage circuit.

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Weewooday 15 Pieces 5V Relay Module 1- Channel Relay Control Boards with Optocoupler Isolation High and Low Level Trigger Expansion Board

Relay module: this relay board supports high and low level trigger and can be controlled by any 5V digital output of the microcontroller.
Parameter details: maximum load of normally open interface: AC 250v/ 10A, DC 30v/ 10A, trigger current is 5mA.
The 5v relay control board adopts SMD optocoupler isolation, which has strong driving ability and stable performance.
Practical design: with fault-tolerant design, the relay module will not operate even if the control line is disconnected.
All interfaces can be provided through directly connected terminal s since the humanized interface design, it is very convenient to use.
High compatibility: the relay module can be directly controlled by the 5V logic signal provided by the microcontroller, suitable for 8051, Raspberry Pi, PIC, DSP, ARM, AVR, MSP430, TTL logic, etc..
Wide application: this 5V relay board can be applied with Raspberry/ CNC machine/ ARM/ PIC/ AVR/ MCU/ PS4 and more.

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Seeed Studio ReSpeaker 4-Mic Array for Raspberry Pi, Raspberry Pi Microphone

ReSpeaker 4-Mic Array for Raspberry Pi（Pi 3/Pi 4 B +) is a 4 microphone expansion board for Raspberry Pi designed for AI and voice applications. This means that you can build a more powerful and flexible voice product that integrates Amazon Alexa Voice Service, Google Assistant, and so on..
Different from ReSpeaker 2-Mics Pi HAT, this board is developed based on AC108, a highly integrated quad-channel ADC with I2S/TDM output transition for high definition voice capture..
Besides, this 4-Mics version provides a super cool LED ring, which contains 12 APA102 programmable LEDs.With that 4 microphones and the LED ring, Raspberry Pi would have ability to do VAD(Voice Activity Detection), estimate DOA(Direction of Arrival) and show the direction via LED ring, just like Amazon Echo or Google Home..
This Raspberry Pi microphone support all Raspberry Pi models, including Raspberry Pi Zero, Raspberry Pi 1 B+, Pi 2 B, Pi 3 B, Pi 3 B+，Pi 4 B..
ReSpeaker 4-Mic array does not have audio output. If this is a requirement please consider the ReSpeaker 6-Mic Circular Array Kit For Raspberry Pi, the ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi , or the ReSpeaker Mic Array v2.0..

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Ingcool Compatible with Raspberry Pi Expansion Board Power Relay Module Kits for Raspberry Pi 4B/3B+/3B/2B/ A+/B+ 5A 250V AC/ 5A 30V DV

Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards.
The RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent..
High quality relays, loads up to 5A 250V AC or 5A 30V DC.Photo coupling isolation, prevent interference from high voltage circuit.
Relay control jumper, allows to control the relays by custom pins other than the default pins.Onboard LEDs for indicating relays status.
Comes with development resources, including examples in wiringPi, WebioPi, shell, python, and bcm2835.

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Smraza Case for Raspberry Pi 4 Model B, Pi 4B Case with Fan, 4PCS Heatsinks, 5V 3A USB-C Power Supply, USB Card Reader, 6 Feet Micro HDMI Cable, 7.8 Inch Micro HDMI to HDMI Adapter Cable (4K Ultra HD)

Upgrade Raspberry Pi 4 Case - Acrylic 9 Layers Case for Raspberry Pi 4 Model B (Raspberry Pi 4 Board Not Included) with Good Appearance. It can be access to all ports of Raspberry Pi board, such as GPIO port, HDMI port, USB port, SD Card slot..
Pi 4 Case with Better Cooling System - Raspberry pi 4 quite cooling fan and 4 pcs aluminum heat sinks are good for heat dissipation of Raspberry Pi board..
Raspberry Pi 4 Power Supply with ETL Certification - ETL LISTED 3A USB-C power supply for Raspberry Pi 4. With on/off switch, it's convenience to power on and power off your RPI 4. Input: 100-240V AC, 50-60Hz, 0.8A. Output: 5V 3A. Cable length: 59 inch..
6 feet/ 1.8 m Micro HDMI to HDMI Cable for Raspberry Pi 4 - Up to 4K Resolution. Up to 60P (Frames/Second). CEC Support. Also come with a 7.8 inch Micro HDMI to HDMI Adapter Cable..
100% Customer Satisfaction Guaranteed. If for ANY reason you aren't completely satisfied with the case, please let us know and we will give you a satisfy solution..

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Smraza for Raspberry Pi 4 Case, Raspi 4B Case with Cooling Fan 35MM, 4pcs Heatsinks, 5V 3A USB-C Power Supply for Raspberry Pi 4 Model B RPI 4 8GB/4GB/2GB/1GB

Only For Raspberry Pi 4 - Raspberry pi 4 model b case is made of acrylic, the RPI 4B case won't block Pi's Wifi or Bluetooth signal. Note: RPI board NOT included, and this case is not suitable for pi 3..
Easy to Access All Ports - It can be access to all ports of Raspberry Pi board, such as cut-outs for the dual micro HDMI, Audio/Video, USB and Ethernet ports, as well as the USB-C power connector and access to the microSD card..
Easy to Turn On/Off Your Pi - The 5V 3A raspberry pi 4 power supply with a handy on/off switch on the 59 inches cable. Control the power on/off of your pi 4 board through pressing the button..
Easy Installation with Buckle Design - 3-layer pi 4 case just need 3 steps to install. The buckle design makes it easier to install and disassemble..
Always Keep Raspberry Pi 4 B Cooling - Fan size: 35×35mm. The DC5V 2 pin quiet cooling fan and 4pcs heatsinks are good for heat dissipation of Raspberry Pi board..

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Smraza Raspberry Pi 4 Case, Acrylic Case for Raspberry Pi 4B with Cooling Fan 35mm, 4pcs Heatsinks, 5V 3A Power Supply for Raspberry Pi 4 Model B, RPI 4 8GB/4GB/2GB(RPI Board Not Included)

Only For Raspberry Pi 4 - Raspberry pi 4 model b case is made of acrylic, the RPI 4B case won't block Pi's Wifi or Bluetooth signal. Note: RPI board NOT included, and this case is not suitable for pi 3..
Easy Installation with Buckle Design - 3-layer pi 4 case just need 3 steps to install. The buckle design makes it easier to install and disassemble..
Easy to Access to All Ports - It can be access to all ports of Raspberry Pi board, such as cut-outs for the dual micro HDMI, Audio/Video, USB and Ethernet ports, as well as the USB-C power connector and access to the micro SD card..
Always Keep Raspberry Pi 4 B Cooling - Fan size: 35×35mm. The DC5V 2 pin quiet cooling fan and 4pcs heatsinks are good for heat dissipation of Raspberry Pi board..
Easy to Turn On/Off Your Pi - The 5V 3A raspberry pi 4 power supply with a handy on/off switch on the 59 inches cable. Control the power on/off of your pi 4 board through pressing the button..

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Geekworm X820 V3.0 2.5“ SATA HDD/SSD Storage Expansion Board, USB 3.0 Mobile Hard Disk Module for Raspberry Pi 3 B+/3B/ROCK64/Tinker Board&2.5 Inch SATA HDD/SSD

✔ Please use this high quality certified DC 5V 4A power supply(ASIN :B07413Q5Y4).Power supply request: 5Vdc +/-5% , 4A.
The power adapter not only powers Raspberry Pi board but also powers your SSD or HDD. If the power is low, the SSD/HDD may not be identified or damage your RPi or X820 board. [Do Not Use ASIN:B01K0608A0!!!].
✔ Raspberry Pi SATA X820 V3.0 HDD/SSD USB3.0 shield expansion board provides an complete storage solution for Raspberry Pi motherboard/ROCK64, Support up to 4TB 2.5 inch SATA interface hard disk drives (HDD) / solid-state drive (SSD). A good raspberry pi sata adapter for Raspberry Pi 3B+, 3B, 2B, B+, ROCK64. Note: For Raspberry Pi 4 Model B 2.5 inch SATA HDD/SSD storage board, please refer to ASIN:B07VXF2HJG.
For Raspberry Pi 4 Model B mSATA SSD storage board, please refer to ASIN: B07VXFGFLX.
✔ X820 V3.0 supports USB booting from your HDD/SSD('reboot' command is supported), a useful and reliable function to every raspberry pi users or fans. Suggest to use with geekworm x820 metal case(ASIN :B07GRZRW7J).
User manual, pls refer to Geekworm WiKi search(X820)..
✔ Powers the Raspberry Pi via Pi's 40-pin header or Micro USB socket.
Furthermore, On-board XH2.54 connector and USB power socket (5V 2A output) to power other devices,....

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Smraza Case for Raspberry Pi 4 Model B, Acrylic Case with Cooling Fan, 4PCS Heatsinks, 5V 3A USB-C Power Supply for Raspberry Pi 4B (RPI 4 Board Not Included) - Black and Clear

NEWEST RASPBERRY PI 4 B CASE - Unique 9 layer raspberry pi case designed for Raspberry Pi 4 Model B (Pi Board NOT Included). Made of acrylic, the RPI 4B case won't block Pi's Wifi or Bluetooth signal. Note: This case is not suitable for raspberry pi 3..
EASY TO ACCESS TO ALL PORTS - Cut-outs for the dual micro HDMI, Audio/Video, USB and Ethernet ports, as well as the USB-C power connector and access to the microSD card.
KEEP RASPBERRY PI 4 B COOLING - The Quiet Cooling Fan and 4 pcs Heatsinks are good for heat dissipation of Raspberry Pi board.
CONVENIENT TO TURN ON / OFF YOUR PI - Stable 3A USB-C power supply for Raspberry Pi 4 with a handy on/off switch on the 59 inches cable, easily press button to power on Raspberry Pi 4.
100% CUSTOMER SATISFACTION GUARANTEED - If for ANY reason you aren't completely satisfied with the case, please let us know and we will give you a satisfy solution. WARNING: This case is NOT compatible with other model of Raspberry Pi.

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Smraza Raspberry Pi 4 Case, Acrylic Pi 4B Case with Quiet Cooling Fan, 4PCS Heatsinks, 5V 3A USB-C Power Supply for Raspberry Pi 4 Model B 8GB/4GB/2GB - Black

NEWEST RASPBERRY PI 4 B CASE - Unique 9 layer raspberry pi case designed for Raspberry Pi 4 Model B (Pi Board NOT Included). Made of acrylic, the RPI 4B case won't block Pi's Wifi or Bluetooth signal.
EASY TO ACCESS TO ALL PORTS - Cut-outs for the dual micro HDMI, Audio/Video, USB and Ethernet ports, as well as the USB-C power connector and access to the microSD card.
KEEP RASPBERRY PI 4 COOLING - The Quiet Cooling Fan and 4 pcs Heatsinks are good for heat dissipation of Raspberry Pi board.
CONVENIENT TO TURN ON / OFF YOUR PI - Stable 3A USB-C power supply for Raspberry Pi 4 with a handy on/off switch on the 59 inches cable, easily press button to power on Raspberry Pi 4.
100% CUSTOMER SATISFACTION GUARANTEED - If for ANY reason you aren't completely satisfied with the case, please let us know and we will give you a satisfy solution. WARNING: This case is NOT compatible with other model of Raspberry Pi.

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Geekworm Raspberry Pi 4 Case, Raspberry Pi 4 Heatsink Aluminum Alloy Passive Cooling Case (P330)

【Passive Cooling Aluminum Alloy Case】Geekworm Raspberry Pi 4 Case - P330 is designed for Raspberry Pi 4 Model B computer only, support Raspberry Pi 4B 1GB/2GB/4GB/8GB version.
Cool your Raspberry Pi 4 without fans and noise..
【Add Copper Heatsink for Better Cooling】Equipped with a CPU copper heatsink(to replace the thermal pad) to attach with CPU grease on CPU of Pi4 for better heat dissaption (Not include CPU grease).
【High Quality Aluminum Material】Sturdy and durable, keep your Raspberry Pi 4 free from scratches, dust and damage..
【Easy Access to Raspberry Pi 4 Ports】Easy installation. Easy access to all Raspberry Pi 4 ports, such as GPIO, Micro HDMI, TF Card, USB-C Power Supply ".
【Packing List】1 x Raspberry Pi 4 Aluminum Alloy Case, 1 x Copper Heatsink, 1 x Screws Pack 【Note】NOT include raspberry pi board.

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Miuzei Case for Raspberry Pi 4, Raspberry Pi 4 B Case with Fan 30mm, Pi 4 Model B 5V 3A Type-C Power Supply for Pi 4 B case, 4 pcs Aluminum Heatsinks Support Rpi 4B 8gb/4gb/2gb (No Raspberry Pi board)

▶【Newest Raspberry Pi 4 Case】9-layer Acrylic Board With Good Nisibility. Miuzei Raspberry Pi 4B Case Perfectly Protects Your Pi 4 Board. You Can Check The Running Status of The Pi Board at Any Time as Well.
▶【Accurately Access All Ports】Miuzei Raspberry Pi 4 Model B Case Layered Design Reserves Enough Space for Pi 4 Model B So That Users Can Access All Ports Without Barriers.
▶【Advanced Cooling System】Raspberry Pi 4 Case with A Fan (35mm). Large Fan Has Better Heat Dissipation Performance Than Regular. Heatsinks Assists Raspberry Pi 4 To Heat Dissipation and Quickly Cool Pi 4 B CPU, GPU and RAM.
▶【5V 3A Type-C Power】Miuzei Raspberry Pi 4 B Case with A Power Supply Which 5V 3A Type-C Port and Has ETL Safety Certification. Pi 4 Power Supply Length 5 ft (1.5m) Without Risk of Overcurrent and Overvoltage.
▶【12-month Guaranteed】Miuzei’s Customers Can Get 12-month Warranty Service and Lifetime Technical Support. Any Doubt Just Reach Miuzei Team via Amazon Email or Support Email..

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Vilros Raspberry Pi 4 Compatible Use and Store Accessory Set (Black)

INCLUDES: Use and Store Case (Black)--Vilros Raspberry Pi 4 Compatible Power Supply--Vilros 1.8M HDMI-MIcro HDMI Cable--Vilros Heatsink for Pi 4 (Set of 4)--Vilros Raspberry Pi 4 Quick Start Ebook Download Code--Screwdriver and Screws--DOES NOT INCLUDE A RASPBERRY PI MOTHERBOARD.
USE AND STORE: Designed for the Raspberry Pi 4 the Use and store case makes it easy to use your pi as well as store all your accessories when not in use--the case also features a preinstalled fan that is easily connected to the Pi.
POWER SUPPLY :The Vilros USB-C 5.1V 3A Power Supply was Designed for the Raspberry Pi 4 and Features a 5FT cable with an Inline ON/OFF Switch to make it easy to turn the Pi on and off.
HDMI-MICRO HDMI CABLE: The Vilros 1.8M HDMI/Micro HDMI Cable will connect your Raspberry Pi 4 Board to any HDMI monitor.
EASY TO SET UP: Includes a EBOOK download code for the Vilros Raspberry Pi Quickstart Guide 2nd Edition (Updated for Pi 4) --also includes a screwdriver, screws and clear instructions for assembly..

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