ReviewsSpi Machine

2.9inch E-Ink Display Module 296x128 Pixel White,Black Two-Color 3.3V/5V E-Paper Screen LCD Support Partial Refresh SPI Interface for Raspberry/Jetson Nano/Ard/Nucleo

2.9inch, 296x128 resolution, with embedded controller, communicating via SPI interface, supports partial refresh. Due to the advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications such as shelf label, industrial instrument, and so on..
Display color: black, white. Grey level: 2. Partial refresh time: 0.3s. Full refresh time: 2s. Refresh power: 26.4mW(typ.). Standby power: 170°..
Interface: 3-wire SPI, 4-wire SPI. Outline dimension: 89.5mm × 38mm. Display size: 66.89mm × 29.05mm. Dot pitch: 0.138 × 0.138..
Onboard voltage translator, compatible with 3.3V/5V MCUs.Operating voltage: 3.3V/5V. Ultra low power consumption, basically power is only required for refreshing.No backlight, keeps displaying last content for a long time even when power down.

32-Channels Logic Analyzer, 128Mb per Channel.
6 protocol triggers (hardware): I2C, I2S, SPI, SVID, UART, CAN2.0B.
Pattern Generator: I2C, SPI, UART, CAN, more than 120 built-in protocol decoders.
Long-time records: Transfer via USB 3.0 to hard drive to sample for hours or days.
Compitable with Windows OS 10/ 8.1 / 7 (32 or 64 bit).

For the document and download information, refer to Geekworm WiKi search (3.5_LCD_B)..
Note: 1. The Raspberry Pi 4B mother board and cooling fan is not included in all the packing list. 2. The black ABS case only suitable for this 3.5 inch screen with Raspberry Pi 4 Model B, do not support other Raspberry Pi versions. Not support install cooling fan..
Physical resolution 320 x 480, with resistive touch control.
it supports up to 125MHz SPI signal input, showing stable and no flicker.
Support Raspbian/Ubuntu/Kali/Retropie system, provide driver and image, please refer to WiKi(user manual)..
LCD Interface: SPI (up to 125MHz SPI input, Max FPS: 50Mhz).

ESP32-WROOM-32D are powerful, generic Wi-Fi+BT+BLE MCU modules that target a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming and MP3 decoding..
The sleep current of the ESP32 chip is less than 5 µA, making it suitable for battery powered and wearable electronics applications..
ESP32-WROOM-32D integrate a 4 MB of external SPI flash. The integrated SPI flash is connected to GPIO6, GPIO7, GPIO8, GPIO9, GPIO10 and GPIO11. These six pins cannot be used as regular GPIOs..
Flash integrated on the module and are not recommended for other uses..

Brand new original ADXL345 chip, quality assurance.
According to the 16-bit two's complement format, it can be accessed through the digital interface SPI (3-wire or 4-wire) or I2C.
ADXL345 is very suitable for mobile device applications. It can be used for tilt sensing applications while measuring static acceleration of gravity,....
With high resolution (13 bits) measurement up to ±16g. The digital output data is in 16-bit two-valued complement format, which can be passed through....
Communication method: IIC / SPI communication protocol.

SPI TFT LCD Touch Panel is designed with one socket for sd card..
With PCB plate (including power supply IC, SD), compatible with 5110 interface.
5V compatible, use with 3.3V or 5V logic..
This is a new 2.8 inch serial SPI color display module with touch function..
We strive to provide a product of the highest quality and the best customer experience, if you are not completely satisfied, do not hesitate to contact us at any time..

New Design Screen built-in fan which can drop temperature quickly, and keep your Pi Cool when working. The case is compatible with raspberry pi 4 perfectly..
The screen connect with SPI directly, Physical resolution is 320*480 Pixel with resistive touch control. No additional Power..
The Screen Support 125MHz SPI signal input, stable display without flicker, the refresh rate is about 50fps, enough to play the video and game..
The screen need install driver, otherwise screen ONLY show white. If you don’t how to install driver, Please try the Pre-install Driver System to test screen working statues.

From controlling appliances to operating a light display, Raspberry Pi Pico puts the technology that underpins countless everyday operations into your hands..
Programmable in C and MicroPython, Pico is adaptable to a vast range of applications and skill levels, and getting started is as easy as dragging and dropping a file..
More experienced users can take advantage of Raspberry Pi Pico’s rich peripheral set, including SPI, I2C, and eight Programmable I/O (PIO) state machines for custom peripheral support..
Designed by Raspberry Pi, RP2040 features a dual-core Arm Cortex-M0+ processor with 264KB internal RAM and support for up to 16MB of off-chip Flash..
A wide range of flexible I/O options includes I2C, SPI, and — uniquely — Programmable I/O (PIO). These support endless possible applications for this small and affordable package..

Lichee Nano is a mini development board designed based on Allwinner's F1C100s (ARM 926EJS core) high-performance SOC chip. Onboard USB, Flash, TF card and 40P LCD interface, suitable for beginners to learn Linux or commercial product development.
F1C100s chip has built-in 32MB DDR, has SDIO, SPI, UART, Speaker, Mic and other interfaces, and supports external 8~32MB SPI Nor Flash.
Applications in time attendance and access control, autonomous driving, smart robots, Internet of Things, smart wear and smart home.

Unified Threat Management Recommended for up to 75 Users, 1800Mbps SPI Firewall, 550Mbps UTM, 2 x Gigabit WAN, 4 x Gigabit LAN, 1 x SFP. Replaces Outgoing USG 60 Model.
Provides one single management platform on the cloud while expanding and strengthening the protection from firewalls to access points.
SPI Firewall to Block Spoofing with IPSec and SSL VPN for secure connections between multiple offices and/or home.
Includes 1 Year Security License for: IPS Intrusion Prevention, Anti-Malware, Web Content Filtering, Anti-SPAM.
McAfee protected License Services, Industry trusted ICSA Certified firewall and backed by a Lifetime Warranty Limited Liability.