List of cheapest must have Raspberry Pi accessories (starting from 1,95$)

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Raspberry PI is a very powerful, small and cheap computer board. You can use it for several projects, many of which can be found in this blog (a selection is also resumed in Best Raspberry PI projects with Open Source software).
There are a number of hardware pieces that can improve your RPI performance of add amazing features. Many of these can be bought with a very affordable expense and will be classified in this post by cost range.

Accessories up to 10$

Heatsink cooling

Some CPU intensive applications can give you RPI hard days. In these conditions, having CPU protected from hot temperatures can assure a longer life to your loved board.


AMAZON – Mudder Black Aluminum Heatsink Cooler Cooling Kit for Raspberry Pi 3, Pi 2, Pi Model B+, 10 Pieces


ALIEXPRESS – STARTING FROM $1,95 – 8pcs for Raspberry Pi Aluminum Heatsink Heat Sink Computer Cooler Radiator For Electronic Chip Heat Dissipation Cooling Pads

Micro SD Card

The most important part of Raspberry PI is its storage: SD card. Its importance is often underestimated and it can drastically boost your RPI performance. It is important to use at least a class 10 micro SD card


AMAZON – SanDisk 16GB Ultra MicroSDHC UHS-I Memory Card with Adapter – 98MB/s, C10, U1, Full HD, A1, Micro SD Card – SDSQUAR-016G-GN6MA


ALIEXPRESS – STARTING FROM $5,07 – Original SanDisk 80mb/s class 10 128gb 64gb 32gb 16gb Ultra memory TF micro SD Card 8g 48MB/s freeshipping

Power supply (with switch)

Correct power supply is another performance factor. Some people use common smartphone charger to power RPIs, but even if this could work for low load works, some applications could led to system crashes. Usually Raspberry Pi requires up to 3A (5V) power supply. Also a power switch is comfortable for powering on/off.


AMAZON – Yuconn Micro USB with On/Off Switch Main Wall Charger AC Adapter Power Supply 5V 3A for Raspberry Pi 3 Model B B+ & Bose SoundLink Color Mini 2 II (1 x Power Supply)


ALIEXPRESS – STARTING FROM $4,39 – 5V 3A Power Supply Charger AC Adapter Micro USB Cable with Power On/Off Switch For Raspberry Pi 3 banana pi 4 4 Model B B+ Plus

HDMI cable

If you want to connect your RPI to a TV, you will need and HDMI cable. Be aware: some RPIs use microHDMI-to-HDMI, other ones use HDMI-to-HDMI cable


AMAZON – Rankie Micro HDMI to HDMI Cable, Supports Ethernet, 3D, 4K and Audio Return, 6 Feet


ALIEXPRESS – STARTING FROM $0,79 – Micro HDMI to HDMI Cable V1.4 1.5M Male to Male Gold Plated HDMI Adapter Cord for Tablet HDTV Android Phone Raspberry Pi 4

Wireless Keyboard with mouse

Keyboards are useful both for controlling your RPI or other devices in your home. With RPI you can use it, for example, with Mediacenter software (like OpenELEC or OSMC)


AMAZON – Mini Wireless Keyboard, Remote Keyboard with Multimedia Keys, 2.4GHZ USB Rechargable Android Remote for TV Box, Mini Keyboard for Smart TV,IPTV,PS4,PC


ALIEXPRESS – STARTING FROM $6,38 – VONTAR i8 keyboard backlit Air Mouse 2.4GHz Wireless Keyboard Touchpad Handheld for TV BOX Android X96

Sensors

Electronics projects including Raspberry Pi often require interaction with environment. This can be simple by using single special sensors with a very cheap cost


AMAZON – ELEGOO Upgraded 37 in 1 Sensor Modules Kit with Tutorial Compatible with Arduino IDE UNO R3 MEGA2560 Nano


ALIEXPRESS – STARTING FROM $7,84 – 16pcs/lot Raspberry Pi 3&Raspberry Pi 2 Model B the sensor module package 16 kinds of sensor


ALIEXPRESS – STARTING FROM $8,79 – 37 In 1 Sensor Kits For Arduino Raspberry Pi Beginner Learning Sensor Module Suit Ultimate Top Quality

Accessories from 10$ to 20$

RPI Camera module

Beside the official Raspberry Pi camera module, there are some alternatives that can be cheaper and give better video quality. An example can be a Night Vision Fisheye Camera.


AMAZON – LANDZO Fisheye Wide Angle 5MP 1080p Night Vision Camera Module for Raspberry Pi 4 Model B and Raspberry Pi 3 B/B+


ALIEXPRESS – STARTING FROM $14,34 – For Raspberry Pi 4 Model B/3B+/3B/2B Night Vision Fisheye Camera 5MP OV5647 130 Degree Focal Adjustable Camera

Touchscreen

Some portable projects with RPI require a local display and/or a touchscreen to manage without an HDMI external display. Current technology allows to have a touchscreen with a very affordable price. And with a few more dollars it can be coupled with its case.


AMAZON – for Raspberry Pi 3 B+ 3.5 inch Touch Screen with Case, 320×480 Pixel Monitor TFT LCD Game Display [Support Raspbian, Ubuntu, Kali, RetroPie System]


ALIEXPRESS – STARTING FROM $11,91 – 3.5 inch Raspberry Pi 3 Model B+ Touchscreen 480*320 LCD Display + Touch Pen + ABS Case Box for Raspberry Pi 4 Model B / 3B+ /3B

Hi-Fi Raspberry DAC

Having a RPI based Media Center is fantastic, but using TV audio outputs is somethimes not enought for most demanding people. Adding an Hi-Fi audio output can be a good compromise for high quality audio lovers


AMAZON – InnoMaker Raspberry Pi HiFi DAC HAT PCM5122 HiFi DAC Audio Card Expansion Board for Raspberry Pi 4 3 B+ Pi Zero etc. (DAC HAT)


ALIEXPRESS – STARTING FROM $13,99 – DYKB PCM5122 Raspberry pi B+ 2/3B HIFI DAC + Sound Card Digital Audio Module I2S Interface Special Volumio Music PIR 2B 3

Accessories from 20$ to 30$

PI SNES case + controllers

A very cool project with your RPI is installing a Super Ninentendo emulator by using RetroPie. For this, specific case and controllers will complete the wow effect


AMAZON – Vilros Raspberry Pi 3 Retro Arcade Gaming Kit with 2 Classic USB Gamepads


ALIEXPRESS – STARTING FROM $25,99 – 52Pi New Version NESPi Case+ Plus Retroflag with Cooling Fan and 2 pcs SNES Gamepad Controller for Raspberry Pi 3 B+ / 3 B / 2 B

Power over Ethernet (PoE) HAT

Raspberry PI can be powered also directly from its Networking cable. This allows users to have only 1 cable to reach RPI, but requires also a PoE capable Switch or a PoE injection system.


AMAZON – Official Raspberry Pi Power Over Ethernet (PoE) HAT for Raspberry Pi 3 B+ and 802.3af PoE Network


ALIEXPRESS – STARTING FROM $28,99 – RASPBERRY PI POE HAT The official Power-over-Ethernet add-on board for Raspberry Pi 3B+ P

Accessories over 30$

Raspberry Pi Sense Hat

Sense HAT add your RPI environment interaction sensors. It is important when you plat to use RPI for IOT or home management projects, including Orientation, Pressure, Humidity and Temperature measurement capabilities with a single board.


AMAZON – Raspberry Pi RASPBERRYPI-SENSEHAT Sense HAT with Orientation, Pressure, Humidity and Temperature Sensors


ALIEXPRESS – STARTING FROM $45,97 – Raspberry Pi Sense HAT with Orientation, Pressure, Humidity and Temperature Sensors Raspberry Pi 3b+ / Pi4

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