Best Smraza in 2026

4 layer Raspberry Pi 3 B+ Case - Specially designed for the 2018 new version Raspberry Pi 3 Model b+, and compatible with Pi 3B 2B (Not include Pi Board)

Fans & Heatsinks Cooling - With DC 5V quiet fan and a set of Aluminum heatsinks to keep raspberry pi cool.

Easy to access to all GPIO ports - 4 layers Acrylic case allow you use all ports of pi and won't block signal and perfectly protect your pi components.

Test mode :Using IO trigger for high level signal.( Not less that 10us),The Module sends eight 40 kHz automatically and detect whether there is a pulse signal back.

The detection zone: 0.78~196 in/ (2cm~500cm); High precision: up to 0.12 in/(0.3 cm) Effectual angle: less than 15°

Power supply: 5V DC; Quiescent current: less than 2mA.

Raspberry Pi 4/3 Power Supply - USB-C & Micro-USB power supply specially designed and tested for the Raspberry Pi 4. Compatible with (RPi 4 Model B), 1GB / 2GB / 4GB Version.

Pi 4B & PI 3 Power Supply with ETL Certification - ETL Listed. Input: 100-240V AC, 50-60Hz, 0.8A. Output: 5.1V 3A. Cable length: 5ft/1.5m.

Raspberry Pi 4/3 Charger with on/off Design - With on/off switch, it's convenience to power on and power off your Raspberry Pi 4.

Selection of Multi-Sized Proto Boards - 31 pieces double-sided prototype boards of 5 different size to meet your demands when designing your own Arduino kits, electronic experiments and DIY projects. （10 pieces 2*8cm, 10 pieces 3*7cm, 5 pieces 4*6cm, 5 pieces 5*7cm and 1 pieces 7*9cm PCB boards

Header Connector - 10 pieces 40 pin male header, 10 pieces 40 pin pitch right angle male headers, 10 pieces 40 pin female header; pitch: 2.54mm, single row and straight connector

Screw Terminal Block - 5 pieces 5.08-301-2P and 5 pieces 5.08-301-3P ; pitch: 5.08mm, rated voltage: 300V, rated current: 16A.

✓ The Latest Version 9 Layers case for Raspberry Pi 3 model B+ / Raspberry pi 3 /pi 3 model b / pi 2 / pi 2 b (Not include Pi Board)

✓ Raspberry Pi Case has the layout design for the Raspberry pi 3 model b+ and will perfectly protect your pi components

✓ Easy to access all GPIO ports - Raspberry pi case with cutout to allow Pi's GPIO, HDMI, USB, SD, Power Supply and Other GPIO Ports access

Premium nylon sleeved cable extension compatible with all power supplies

11.8 inch/ 30cm length with black connectors on both ends

Come with cable combs (4PC each cable) for a clean cable management

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

PDF Tutorial - Detailed PDF tutorial of 28 lessons with sample code and image instructions.

Perfect Kit for Beginner - The most economical way for beginners to start programming. Compatible with Arduino r3, mega, nano.

No Need Solder - LCD1602 module with pin header (no need to be soldered by yourself).

Ultimate Starter Kit for Arduino, Mega - Includes more common use components what you need for starting with Arduino projects

Easy to operate - With easy set-up breadboard holder makes a stable base for you to easy make electrical circuits connection

Flexibly combination of Projects - All parts can be combined into 16 lessons, flexibly used 5V relay, LM35 temperature sensor and DC MOTOR

SG90 9G micro servo motor for remote control helicopters, micro robot, robot arm and boats. Fit for ALL kinds of R/C Toys and also make electronics DIY compatible with Arduino, Raspberry Pi

Interface Type: Compatible with JR & FUTABA interface. Running Speed (at no load): 0.09 ± 0.01 sec/60°(4.8V ) 0.08 ± 0.01 sec/60°(6V). Running angle: 180 degree

Stall Torque (4.8V): 17.5oz /in (1kg/cm). Dead band setting: 7 ms

Upgrade Acrylic 9 Layers Case with Large Fan and Large Heatsinks designed for Raspberry Pi 4 Model B (Raspberry Pi 4 Board Not Included) with Good Appearance.

Better Cooling System, the large quite cooling fan and 4 pcs aluminum heat sinks are better for heat dissipation of Raspberry Pi 4. Size of fan : 35 x 35 mm. Size of heatsinks for CPU: 25 x 25 mm.

Easy access to all ports, such as the dual micro HDMI port, USB-C power connector port, Audio/Video port, USB and Ethernet ports and micro SD card slot.

Smraza Electronics Fun Kit - It has all consumable component are often used. Compatible with Arduino and Raspberry Pi, it can almost meet all your needs. Not included controller board.

A Breadboard and Power Supply Module -Include a good range of LEDs, resistors, buttons, capacitors, a few transistors and diodes.

With jumper wire and Male-female dupont wire to meet your project expetation.

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

【4 inch HD Touchscreen】800x480 pixel hardware resolution, support HDMI input and HDMI audio output, backlight brightness adjustable. Resistive touch control, convenient human-computer interaction experience. 4 inch IPS full-angle display, refresh rate up to 60FPS. Support for playing video and games, while the picture is stable and clear can be used as a monitor screen, supporting 3.5mm stereo audio output.

【Cooling System】2 layers raspberry pi 4 touchscreen case especially designed for Raspberry Pi 4 and 4 inch touch screen. Come with cooling fan and 4 pcs heat sinks (size of heatsinks for CPU: 25 x 25 mm. ), it's better for heat dissipation.

【4inch display case for raspberry pi 4】4-inch touch screen monitor with an Acrylic case and related screw kits, you can choose to install it on a wall or stand to easily connect the monitor with Raspberry Pi or other devices.

SG90 9G micro servo motor for remote control helicopters, micro robot, robot arm and boats. Fit for ALL kinds of R/C Toys and also make electronics DIY compatible with Arduino, Raspberry Pi

Interface Type: Compatible with JR & FUTABA interface. Running Speed (at no load): 0.09 ± 0.01 sec/60°(4.8V ) 0.08 ± 0.01 sec/60°(6V). Running angle: 180 degree

Stall Torque (4.8V): 17.5oz /in (1kg/cm). Dead band setting: 7 ms

The Camera Module Can Fully Compatible with Raspberry Pi 4 model B / 3 B+ / 3 B / 2 B / A / B /Zero

Wide Angle - 160° Wide Angle Brings You a Better Visual Experience

Adjustable Focus - With1080p OV5647 Sensor. The Focus Can Be Manually Adjusted According to the Distance of the Object

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.

Smraza Raspberry Pi 4 Model B Web Camera - Compatible with Raspberry Pi 3 B+ Pi 3 B / 2 Model B Plus / A+

2pcs infrared LED - Supports night vision and video recording function

Adjustable Focus - Can be manually adjusted according to the distance of the object.

Highest Cost Effective electronic Components Funny Kit: More than 450pcs Sensors,Capacitors,Resistors and Funny Components for simple electronic projects!Easier and happier to learn STEM for children and adults.

Two ways to Power:The power supply module can be powered by USB or 6.5V-9V DC adapter, Output voltage: 3.3V, 5V. Maximum output current: <700mA

Individual Convenience Pakcage: The components are all well-stored in a sturdy box, Resistors/LED/Transistors and Integrated Circuits all individually packaged and labeled.

Smraza Electronics Fun Kit - It has all consumable component are offen used. Compatible with Arduino and Raspberry Pi, it can almost meet all your needs.

A Breadboard and Power Supply Module -Include a good range of LEDs, resistors, buttons, capacitors, a few transistors.

Lcd1602 module and sensor module, with jumper wire and Male-female dupont wire to meet your project expetation.

Special Note: This product is NOT Micro USB to HDMI, it is Micro HDMI to HDMI. Micro HDMI to HDMI cable enables you to play games on your big-screen HDTV display or share high-definition video and digital audio together with your family and friends.

High-speed Micro HDMI to HDMI cable(male to male), it can help you to stream audio and video from a camera, tablet or laptop through Micro HDMI port to HDTV or computer monitor with HDMI port for flawless video and audio streaming.

The 4K Micro HDMI cable fit into a Micro HDMI port on a camcorder, camera or table. Compatible for Raspberry Pi 4/3 B+, GoPro Hero and other Action Camera/Cam with 4K/3D Supported. Micro HDMI to HDMI Cable Length: about 6 Feet/1.8M, 2pcs/set.

Higher Voltage Ceiling : Up to 8.4V Voltage Supported,Provide more sufficient power,Faster Steering Speed and Higher Stability to your RC Vehicles

Strong&Stable: Higher Reliability, Better Stability ,Stronger Adaptability but Lower noise,Lower Vibration and Smoother Operation.

Durable&Waterproof: Smraza SC-63 Coreless Servo is made of Copper,Stainless Steel and Aluminum,With IP66 Waterproof and longer servo life.

Raspberry Pi 4 Case - Only compatible with Raspberry Pi 4 Model B. Access to all ports for Pi 4. Not for Pi 3B+. And RPI board not included.

Cooling System - Raspberry pi 4 case with cooling fan and built-in 4pcs thermal adhesive to tightly touch with on-board raspberry pi 4 chipset. Better for heat dissipation. Size of fan: 35 x 35 mm(If you reveive wrong size, please reaching us to get a right one.) Size of heatsinks for CPU: 25 x 25 mm.

Access to All Ports - Metal case for raspberry pi 4 can access to all ports for Pi 4. Such as the dual micro HDMI port, USB-C power connector port, Audio/Video port, USB and Ethernet ports and micro SD card slot.

Free PDF tutorial(more than 22 lessons) and clear listing in a nice package

The most economical kit based on Arduino platform to starting learning electronics for those beginners who are interested.

Lcd1602 module with pin header (not need to be soldered by yourself)

Broadcom BCM2711, quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1. 5GHz---4GB LPDDR4-2400 SDRAM

2. 4 GHz and 5. 0 GHz IEEE 802. 11B/g/n/ac Wireless LAN, Bluetooth 5. 0, double-true Gigabit Ethernet

2 × USB 3. 0 ports, 2 x USB 2. 0 Ports---2 × micro HDMI ports supporting up to 4Kp60 video resolution

The Mega is 100% compatible with Arduino IDE and most shields designed for the Arduino mega R3，RoHS Compliant

The chip is Atmega+2560-16au and 16u2, same with the official version.

Improved and expert version: 1. 0 pinout: added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. In future, shields will be compatible both with the board that use the AVR, which operate with 5V and with the Due that operate with 3. 3V. The second one is a not connected pin, that is reserved for future purposes.

USB-C Connector for the latest Raspberry Pi 4 Model B

DC 5. 1V 3 Amp Power Supply

15. 3 watts, 1. 5M cable (18AWG)

The Mega is 100% compatible with Arduino IDE and most of the shields are designed for the Arduino mega R3，RoHS Compliant

The chip is Atmega + 2560-16au and 16u2, same with the official version.

Improved and expert version: 1. 0 pinout: added SDA and SCL pins that are near to the AREF pin

WIDE-RANGE COMPATIBLITY- This base plate case is compatible with Arduino R3, Mega2560 and Raspberry Pi 4B/3/2/B+,Pi zero as well as working with both 400 and 830 points breadboards.

SUPERIORLY DESIGNED SLOTS- The slots are specially designed for TF cards, HDMI and USB cords to be inserted without hindering the power connection.

WELL-CRAFTED DESIGN- The RAB Holder has a customized, sleek design that is attractive and is more comfortable to touch while working with it.

Clear prints on the female header connector, more precise and easier to use the wire.

The ELEGOO UNO R3 BOARD now uses an 16U2 instead of the ATMega8U2 chip. Faster transfer rates and more memory.

Control using ATMEL ATMEGA+328P chip(the same with Arduino UNO R3)