The official Raspberry Pi micro HDMI to HDMI (A/M) cable (black, 1 m) designed for the Raspberry Pi 4 and 5. 19-pin HDMI Type D(M) to 19-pin HDMI Type A(M) 1 m cable (black) Nickel-plated plugs 4Kp60 compliant RoHS compliant 3 Mohm 300 VDC insulation, withstands 300 VDC for 0.1s

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Jan Didden created Linear Audio in 2010 and published 14 Volumes between 2010 and 2017. Each 200-page Volume contains on average 10 articles by expert authors in the field of audio, acoustics, and instrumentation. Whether you are interested in tube amplifiers, solid-state equipment, loudspeaker design, capacitor and resistor distortion or distortion measurement, you are certain to find helpful advice and interesting discussions. From beginner to advanced level, for the audio professional or the serious hobbyist, this ExpertCollection will advance your understanding and offer new perspectives on common issues. Bonus material included with this collection is a 5-part YouTube series on negative feedback as applied to audio by renowned author Jan Didden, and nine additional landmark audio articles and presentations. If you are seriously interested in audio, acoustics, and instrumentation, you can’t afford to miss this! The published material is indexed and fully searchable and will provide an almost limitless resource for many years to come. You can read about Linear Audio’s authors, and the Table of Contents of each Volume, at linearaudio.net.

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Designed for overclockers and other power users, this fan keeps your Raspberry Pi 4 at a comfortable operating temperature even under heavy load. The temperature-controlled fan delivers up to 1.4 CFM of airflow over the processor, memory, and power management IC. The bundled heatsink (18 x 8 x 10 mm) with self-adhesive pad improves heat transfer from the processor. The Raspberry Pi 4 Case Fan works with Raspberry Pi 4 and the official Raspberry Pi 4 case.

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Some Highlights from the contents Surround-sound decoder Compact amp Sampling rate converter Battery powered preamplifier Titan 2000 amplifier Crescendo Millennium amplifier Audio-DAC/ADC IR-S/PDFI receiver and transmitter High-End Power Amp Hi-fi Wireless Headset Paraphase Tone Control and more… Using Adobe Reader you are able to browse and search the articles on your computer, as well as print texts, circuit diagrams and PCB layouts.

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This USB stick holds a selection of more than 350 articles on RF, Radio and Communication published in Elektor Magazine. The content consists of both background articles and projects with the following topics: Basic radio-related circuits as well as more complex circuits like filters, oscillators, and amplifiers. Design, construction, and theory of antennas for transmitting and receiving radio signals efficiently. Design and analysis of RF circuits including filters, mixers, PLLs, and frequency synthesizers. Tools and techniques for predicting radio wave propagation paths and measuring RF signal strength. Techniques for processing digital signals in RF systems, including modulation and demodulation methods. Projects on radio receivers, AM, FM, SSB, CW, DRM, DAB, DAB+, Software Defined Radio, and more. Projects on Wi-Fi, Bluetooth, LoRaWAN, and more. You can use the article search function to locate specific content in the full text. The results are always shown as preformatted PDF documents. You can use Adobe Reader to browse articles, and you can use Adobe Reader’s integrated search functions to find instances of individual words and expressions.

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This short cable (10 cm) connects a standard HDMI cable to the Mini-HDMI port of a Raspberry Pi Zero.

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The LPS8 is an open source multi-channel LoRaWAN Gateway. It lets you bridge LoRa wireless network to an IP network via WiFi or Ethernet. The LoRa wireless allows users to send data and reach extremely long ranges at low data-rates. The LPS8 uses Semtech Packet Forwarder and is fully compatible with the LoRaWAN protocol. It includes a SX1308 LoRa concentrator, which provides 10 programmable parallel demodulation paths. LPS8 has pre-configured standard LoRaWAN frequency bands to use for different countries. User can also customized the frequency bands to use in their own LoRa network. Features Linux-based OpenWrt system Managed by intuitive Web GUI, SSH via LAN of WiFi Remote access with Reverse-SSH Emulates 49x LoRa demodulators LoRaWAN Gateway 10 programmable parallel demodulation paths Applications Logistiek and Supply Chain Management Smart Buildings & Home Automation Smart Cities Smart Agriculture Smart Factory Smart Metering Specifications Power Input via USB Type-C (5 V, 2 A) 1x USB host port 1x RJ45 (10/100 Mbit/s) 1x 2.4 GHz WiFi (802.11 b/g/n) LoRa Specs: 1x SX1308 Lora Concentrator 2x 1257 LoRa Transceiver Downloads Datasheet User Manual Source code on GitHub Dragino LoRa Gateway Selection Guide Use Dragino LPS8 as Helium Data-Only Hotspot Dragino LoRaWAN Gateway Setup Dragino Gateways/Hotspots with Helium Tutorial Firmware

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Official Case for Raspberry Pi 4 (black/gray)

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Official Case for Raspberry Pi 4 (white/red)

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Features Type C cable USB type C is suitable for new version Raspberry Pi 4 No need to pull the cable to restart or reboot your Pi, just press the button to turn your Pi on and off Can be used as power supply for the Pi up to 2 Amp Help prevent the Pi's USB connector from wear and tear due to frequently pulling and inserting the USB cable Specifications Interface: USB Type C Current: 3 A Length: 1.5 m Use for: Raspberry Pi 4 Model B Packing List: 1x USB Type C power cable

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The official Raspberry Pi mini-HDMI to HDMI (A/M) cable designed for all Raspberry Pi Zero models. 19-pin HDMI Type D(M) to 19-pin HDMI Type A(M) 1 m cable (white) Nickel-plated plugs 4Kp60 compliant RoHS compliant 3 Mohm 300 VDC insulation, withstands 300 VDC for 0.1s

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This color-coded pin header is ideal for use with Raspberry Pi. All pins are color-coded with corresponding functions making prototyping and hacking easier. Specifications Suitable for all Raspberry Pi models with GPIO 2 pin rows with 20 pins each 2.54 mm pin spacing (pitch) Pin height: 3/6 mm Total height: approx. 11 mm Colors/Functions Orange = 3.3 V Red = 5 V Pink = I²C Purple = UART Blue = SPI Yellow = DNC Green = GPIO Black = GND (Ground)

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The Raspberry Pi 5 case is a refinement of the Raspberry Pi 4 case with improved thermal features to support the higher peak power consumption of the Raspberry Pi 5. It integrates a variable speed fan that is powered and controlled via a dedicated connector on the Raspberry Pi 5.

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The Arduino Pro Mini is a microcontroller board based on the ATmega328P. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, an on-board resonator, a reset button, and holes for mounting pin headers. A six pin header can be connected to an FTDI cable or SparkFun breakout board to provide USB power and communication to the board. The Arduino Pro Mini is intended for semi-permanent installation in objects or exhibitions. The board comes without pre-mounted headers, allowing the use of various types of connectors or direct soldering of wires. The pin layout is compatible with the Arduino Mini. The Arduino Pro Mini was designed and is manufactured by SparkFun Electronics. Specifications Microcontroller ATmega328P Board Power Supply 5-12 V Circuit Operating Voltage 5 V Digital I/O Pins 14 PWM Pins 6 UART 1 SPI 1 I²C 1 Analog Input Pins 6 External Interrupts 2 DC Current per I/O Pin 40 mA Flash Memory 32 KB of which 2 KB used by bootloader SRAM 2 KB EEPROM 1 KB Clock Speed 16 MHz Dimensions 18 x 33.3 mm (0.7 x 1.3") Downloads Eagle files Schematics

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This USB Stick contains more than 300 Arduino-related articles published in Elektor Magazine. The content includes both background articles and projects on the following topics: Software & hardware development: Tutorials on Arduino software development using Arduino IDE, Atmel Studio, Shields, and essential programming concepts. Learning: The Microcontroller Bootcamp offers a structured approach to programming embedded systems. Data acquisition & measurement: Projects such as a 16-bit data logger, lathe tachometer, and an AC grid analyzer for capturing and analyzing real-time signals. Wireless communication: Learn how to implement wireless networks, create an Android interface, and communicate effectively with microcontrollers. Robotics and automation: This covers the Arduino Nano Robot Controller, supporting boards for automation, and explores various Arduino shields to enhance functionality. Self-build projects: Unique projects such as laser projection, Numitron clock and thermometer, ELF receiver, Theremino, and touch LED interfaces highlight creative applications. Whether you're a beginner or an experienced maker, this collection is a valuable resource for learning, experimenting, and pushing the boundaries of Arduino technology.

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The Raspberry Pi 5 case is a refinement of the Raspberry Pi 4 case with improved thermal features to support the higher peak power consumption of the Raspberry Pi 5. It integrates a variable speed fan that is powered and controlled via a dedicated connector on the Raspberry Pi 5.

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The ESP32-C3 chip has industry-leading low-power performance and radio frequency performance, and supports Wi-Fi IEEE802.11b/g/n protocol and BLE 5.0. The chip is equipped with a RISC-V 32-bit single-core processor with an operating frequency of up to 160 MHz. Support secondary development without using other microcontrollers or processors. The chip has built-in 400 KB SRAM, 384 KB ROM, 8 KB RTC SRAM, built-in 4 MB Flash also supports external Flash. The chip supports a variety of low power consumption working states, which can meet the power consumption requirements of various application scenarios. The chip's unique features such as fine clock gating function, dynamic voltage clock frequency adjustment function, and RF output power adjustable function can achieve the best balance between communication distance, communication rate and power consumption. The ESP-C3-12F module provides a wealth of peripheral interfaces, including UART, PWM, SPI, I²S, I²C, ADC, temperature sensor and up to 15 GPIOs. Features Support Wi-Fi 802.11b/g/n, 1T1R mode data rate up to 150 Mbps Support BLE5.0, does not support classic Bluetooth, rate support: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps RISC-V 32-bit single-core processor, supports a clock frequency of up to 160 MHz, has 400 KB SRAM, 384 KB ROM, 8 KB RTC SRAM Support UART/PWM/GPIO/ADC/I²C/I²S interface, support temperature sensor, pulse counter The development board has RGB three-in-one lamp beads, which is convenient for the second development of customers. Support multiple sleep modes, deep sleep current is less than 5 uA Serial port rate up to 5 Mbps Support STA/AP/STA+AP mode and promiscuous mode Support Smart Config (APP)/AirKiss (WeChat) of Android and iOS, one-click network configuration Support serial port local upgrade and remote firmware upgrade (FOTA) General AT commands can be used quickly Support secondary development, integrated Windows and Linux development environment About Flash configuration ESP-C3-12F uses the built-in 4 MB Flash of the chip by default, and supports the external Flash version of the chip.

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PiKVM is a feature-rich, production grade, open-source, Raspberry Pi based KVM over IP device. It enables managing servers or workstations remotely, whatever the state of the operating system or whether one is installed. PiKVM allows you to turn on/off or restart your computer, configure the UEFI/BIOS, and even reinstall the OS using the Virtual CD-ROM or Flash Drive. You can use your remote keyboard and mouse or PiKVM can simulate a keyboard, mouse, and a monitor, which are then presented in a web browser as if you were working on a remote system directly. PiKVM V4 Plus is the PiKVM version with the most features! Designed to be the most advanced and versatile PiKVM, it will assist you in the most unique and complex scenarios of tech support or remote system access/management. The future-proof architecture will allow to add more features and functionality. Features PiKVM V4 comes as a complete product, equipped with all you need out of the box; a power supply, USB & Ethernet cables, and even PCI brackets to install the ATX board into an ATX or mini ITX computer/server cases. The (included) Raspberry Pi Compute Module 4 (CM4) allows to raise the bar to an industrial-grade level. Improved WiFi connectivity with a port for an optional external antenna. 1920x1080 @ 60 Hz & 1920x1200 @ 60 Hz resolution support for increased UEFI/BIOS compatibility. New meticulously crafted steel case with a smooth and slick appearance, light pipes, location beacon, SD card access protection, and a Kensington security slot. Specifications Raspberry Pi Compute Module 4 (CM4) CM4102000 with 2 GB RAM and WiFi/Bluetooth (Lite) Connection type USB-C Power type 12 V/2 A (DC) Power failure option Internal supercapacitor for the real time clock support HDMI female HDMI source input USB-C female For the keyboard, mouse, mass storage, and other external device emulation) Serial console management port Micro SD card slot For the OS storage ATX RJ-45 Special port for power control or AUX WiFi Optional WiFi b/g/n support with internal/external antenna LED indicators Power, activity, console power, search led, HDMI source engaged Display OLED 128x32 0.91" (white) Supported resolutions Up to 1920x1200 @ 60 Hz Video compression methods MJPEG, H.264 Audio capture mode HDMI audio capture support Peak power consumption Up to 24 W (2 A/12 V) Operating temperature 0-50°C Dimensions 120 x 68 x 44mm Weight 350 g Model Comparison PiKVM V3 PiKVM V4 Plus Main computing unit Raspberry Pi 4 B Raspberry Pi Compute Module 4 (CM4) 1920x1200 @ 60 Hz HDMI video support with sound ✓ Improved compatibility for many UEFI and BIOS ✓ USB key/mouse/mass storage support ✓ ✓ USB host support (external USB devices connectivity support) ✓ ✓ Additional USB storage support with internal installation ✓ RJ-45 console port ✓ ✓ Cooling system Axial fan Advanced with radial fan Locator LED ✓ Power consumption in idle mode 3.3 W 3.3 W External antenna support WiFi/LTE mPCI-e slot with USB lines for LTE/5G cards ✓ Included PiKVM V4 Plus incl. Raspberry Pi CM4, case and OLED display Micro SD card with pre-imaged PiKVM software ATX control board ATX connection cables ATX installation brackets Ethernet cable ATX cable USB-C to USB-A cable 12 V/2 A power supply (international adapters) Downloads Datasheet Documentation Images GitHub

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The ESP32-S3-DevKitC-1 is an entry-level development board equipped with ESP32-S3-WROOM-1U, a general-purpose Wi-Fi + Bluetooth Low Energy MCU module that integrates complete Wi-Fi and Bluetooth Low Energy functions. Most of the I/O pins on the module are broken out to the pin headers on both sides of this board for easy interfacing. Developers can either connect peripherals with jumper wires or mount ESP32-S3-DevKitC-1 on a breadboard. Features Module integrated: ESP32-S3-WROOM-1U-N8R8 Flash: 8 MB QD PSRAM: 8 MB OT SPI voltage: 3.3 V Specifications ESP32-S3-WROOM-1U ESP32-S3-WROOM-1U is a powerful, generic Wi-Fi + Bluetooth Low Energy MCU module that has a rich set of peripherals. It provides acceleration for neural network computing and signal processing workloads. ESP32-S3-WROOM-1U comes with an external antenna connector. 5 V to 3.3 V LDO Power regulator that converts a 5 V supply into a 3.3 V output. Pin Headers All available GPIO pins (except for the SPI bus for flash) are broken out to the pin headers on the board for easy interfacing and programming. USB-to-UART Port A Micro-USB port used for power supply to the board, for flashing applications to the chip, as well as for communication with the chip via the on-board USB-to-UART bridge. Boot Button Download button. Holding down Boot and then pressing Reset initiates Firmware Download mode for downloading firmware through the serial port. Reset Button Press this button to restart the system. USB Port ESP32-S3 full-speed USB OTG interface, compliant with the USB 1.1 specification. The interface is used for power supply to the board, for flashing applications to the chip, for communication with the chip using USB 1.1 protocols, as well as for JTAG debugging. USB-to-UART Bridge Single USB-to-UART bridge chip provides transfer rates up to 3 Mbps. RGB LED Addressable RGB LED, driven by GPIO38. 3.3 V Power On LED Turns on when the USB power is connected to the board. Downloads Pinout

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