Best Geeekpi in 2026

The LCD has always been a device that acts as a window in human-computer interaction. For example, the prompt window on some instrument devices, the temperature and humidity prompt box, the device running status monitor, and the prompt screen of the counting device all have LCD figures.

The common LCD1602, LCD2004, and LCD12864 are fabricated using liquid crystal materials and communicated using the I2C bus.

It is a high-performance serial bus with bus rules and high-speed or low-speed device synchronization required for multi-master systems. The I2C bus has only two bidirectional signal lines, a serial data line (SDA) and a serial clock line (SCL).

NESPI CASE+ functional Power and Reset Button with Safe Shutdown ,specifically designed for Raspberry Pi 3B+, Raspberry Pi 3/2 Model B. This case DOES NOT include any Raspberry Pi products.

Easy access to the SD-Card and all other ports without opening the case

NES case specifically designed for Raspberry Pi 3 B+ (B Plus) 2

Use the i2c protocol to reduce the occupation of I/O ports, making it easier to add to the project, and less wiring is more beautiful.

Commonly used in: Internet of things, DIY project, home animation, smartbuilding, maker's DIY project.

Compatible with all current development boards, such as Arduino, Raspberry pi, Tinkerboard, Nano pi, Banana pi, stm32 and so on

Well Packaged - With a storage box for 102pcs heatsinks, it perfectly divides the heat sinks into 17 categories.

Multiple applications - It can Cool Raspberry Pi VRM VRAM CPU GPU Small IC Laptop 3D Printers Stepper Motor Modules TMC2130 TMC2100 A4988 DRV8825 TMC2208. Multiple sizes, multiple application scenarios.

Good heat dissipation effect - Various Aluminum and Copper heat sinks with Thermal Conductive Adhesive Tape for cooling Raspberry Pi 4 and electronics components.

For Use With Raspberry Pi 1 Model B+/ 2 Model B / 3 Model B / 3 Model B+

Supports up to 4TB 2.5-inch SATA hard disk drives (HDD) / solid-state drive (SSD); Supports USB booting from your HDD/SSD

On-board push button to control power on /off (Press-ON, Hold the button pressed at least 2s -OFF); Powers the Raspberry Pi via Pi's 40-pin header or Micro USB socket

Use the i2c protocol to reduce the occupation of I/O ports, making it easier to add to the project, and less wiring is more beautiful.

Commonly used in: Internet of things, DIY project, home animation, smartbuilding, maker's DIY project.

Compatible with all current development boards, such as Arduino, Raspberry pi, Tinkerboard, Nano pi, Banana pi, stm32 and so on

This is an aluminum alloy heat sink, which is only suitable for Raspberry Pi Compute Module 4

It adopts passive heat dissipation and has good heat dissipation performance.

Easy to install;Passive Heat;Good heat dissipation

Banana Pi M5 is a new generation single board computer design , use Amlogic S905X3 Quad-Core Cortex-A55 (2.0xxGHz) Processor.

Mali-G31 MP2 GPU with 4 x Execution Engines (650Mhz).

support 4GB LPDDR4 and 16G eMMC flash. it have 4 USB 3.0 port,1GbE LAN port, IR Reciver, Audio Jack, 1 HDMI Out and USB type-c power supply.

VisionFive2 8GB Starter Kit is a RISC-V architecture based single-board host starter kit, including acrylic base plate to prevent accidental short circuit, providing a 64GB Micro-SD card to directly burn the official system to start the motherboard, 5V3.6A USB-C interface power supply can provide stable and reliable power protection, aluminum heat sink can provide good heat dissipation effect in a small piece.

VisionFive2 is equipped with a quad-core 64-bit RV64GC ISA chip platform (SoC), with a working frequency up to 1.5 GHz, integrated IMG BXE-4-32, and supports OpenCL 3.0, OpenGL ES 3.2 and Vulkan 1.2.

VisionFive2 provides 2/4/8 GB LPDDR4 RAM options, rich peripheral I/O interfaces, including M.2 interface, eMMC socket, USB 3.0 interface, 40-pin GPIO header, Gigabit Ethernet interface, TF card slots etc. Note: This board is 8GB LPDDR4 RAM.

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)

The controllers are easy to program by using the CP2102-USB interface without having to press the flash and reset buttons before each flash operation.

The development board has integrating GPIO, PWM, IIC, 1-Wire and ADC all in one board. Support smart link smart networking.

The fast and affordable technology for WiFi. Make your development the fastest way combined with firmware for NodeMcu.

Raspberry pi 3 model b adds wireless LAN and Bluetooth connectivity making it the ideal solution for powerful connected designs.

Raspberry pi 3 use Processor chipest Boardcom BCM 2837 64 bIT ARMv7 Quad Core processor powered Singel Board Computer running at 1200MHz

Raspberry pi 3 model b RAM : 1GB SDRAM@400MHz

The MEGA complete starter kit with more than 200pcs components, premium quality and 100% Compatible with Arduino IDE

Free pdf tutorial in the cd (33 lessons)

Lcd1602 module and gy-521 sensor module with pin header ( no need to solder by yourself)

More than 200 components, this is the most complete starter kit you will find. Great value starter kit with 63 kinds of electronic components.

Has all the components you need and a free PDF tutorial (more than 30 lessons) to show you how to use them. All code to use the modules is included on the CD.

All the modules come soldered so they are easy to wire up.

powful cputhe cpu of the raspberry pi 4 model b adopts the latest arm cortex-a72 architecture, which is also used in high-performance smartphones, and has evolved into a real pc.the operating clock has been changed from pi3's 1.2ghz to 1.5ghz, and the speed has become a different dimension with the updated architecture.

video output/gputhe on-board gpu of the raspberry pi 4 supports 4kp@60 and newly supports h.265 decoding, opengl es 3.0, etc.as for the video output, two micro hdmis with smaller connectors are installed, and the raspberry pi 4 also supports dual screen output.

usb 3.0with a new soc, the speed of the raspberry pi 4 around i/o has been improved, and finally usb 3.0 is supported.usb boot is faster and more convenient.

This 7" Touchscreen display for the Raspberry Pi is perfect for creating portable and embedded projects where a keyboard and Mouse would be in the way.

The full color display outputs up to 800 x 480 and features a capacitive touch sensing capable of detecting 10 fingers.

Only two connections from the Pi TO the Display are necessary; power from GPIO (or USB) connection to the DSI port. The adapter board handles power, Signal conversion, and touch input conversion.

Raspberry Pi 3 Case Clear for Raspberry Pi 3 - Miuzei Clear Acrylic Raspberry Pi 3 B Case is Specially designed for Raspberry pi 3 B / 3 B+, and perfect compatible with Raspberry Pi 3 B / 3 B+ / 2B. Assembly easy for beginners and amateur.

Keep Raspberry Pi 3 Cooling - New Raspberry pi 3 B case with a Silence DC 5V cooling fan and 3 pcs Aluminum heatsinks, double cooling system keep your Raspberry pi 3 B+ cool quickly even the CPU under high load.

Raspberry Pi Power Supply - raspberry pi 3 case with a 5V 3A power supply which has an ON/OFF switch, easy to power on/off your Raspberry pi 3 b+ / 3 b / 2 b. No need to worry about overvoltage or overcurrent.

Unique Removable Top Cover Design, you can get in touch with the GPIO or Camera Connector Very Simple

With 40mm Quiet Cooling Fan, it can drop the temps for your Pi

Include Raspberry Pi 4 Heatsink, Better Cooling Experience

5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current

Equiped with high-current relay, AC250V 10A ; DC30V 10A

Standard interface that can be controlled directly by microcontroller (compatible with Arduino ,Raspberry Pi, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic)

▶The Sunfounder breadboard kit fits perfectly for a Raspberry Pi 4B, 3B+, 3 Model B, 2 Model B and 1 Model B+ A+, an R3 or Mega 2560 compatible with Arduino.

▶With the high quality RAB Holder made of long-lasting polyethylene plastic, sturdy and lightweight, fixed on a flat table, enlarging the fun when you create experiments.

▶This 830-tie/point breadboard includes an IC area of 630 points, plus two 100-point distribution strips, providing 4 power rails.

Notice: We only provide after-sales service purchased from Seeed Studio

🌱【High-Performance CPU】Raspberry Pi Pico features Dual-core ARM Cortex M0+ processor, flexible clock running up to 133 MHz. With 264KB of SRAM, and 2MB of on-board Flash memory.

🌱【Multiple Software Support】Pico has rich and complete software support, it comes with a complete Rasberry Pi official C/C++ SDK, Micropython SDK.

Unleash Your Inner Maker with Our Upgraded Sensor Modules Kit - Packed with 37 essential components for your arduino projects!

Say Goodbye to Useless Modules - Our kit includes only the best, like the GY-521 accelerometer, LCD1602 screen, and DS1307 real time clock module, etc!

Learn with Ease - Our upgraded tutorial is designed specifically for UNO R3, MEGA R3, and NANO - Plus, we've included a CD and listing paper for your convenience!

【Cooling Raspberry Pi 4 Case】Raspberry Pi 4 B Case with 40mm Fan. 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】iUniker Raspberry Pi 4 Model B Case Reserves Enough Space for Pi 4 Model B, So Users Can Access All Ports Without uninstall;

【Advanced Cooling System】Raspberry Pi 4 Case with 40mm Fan.This Fan Has Better Heat Dissipation Performance Than Regular. High Performance Heatsink Help Raspberry Pi 4 To Heat Dissipation and Quickly Cool Pi 4 B CPU, GPU and RAM;

Compared to NX8048T050, NX8048K050 add new functions: support built-in RTC, save data to Flash, GPIO, larger flash capacity and faster CPU.

You can power NX8048K050 from 5V pin of microcontroller but not recommended. Working with insufficient power may damage screen, so pls use power board came with nextion. See image on how to use it.

You need a USB to TTL adapter to plug nextion display into USB port.