The LILYGO T-Display-S3 Long is a versatile development board powered by the ESP32-S3R8 dual-core LX7 microprocessor. It features a 3.4-inch capacitive touch TFT LCD with a resolution of 180x640 pixels, providing a responsive interface for various applications. This board is ideal for developers seeking a compact yet powerful solution for projects requiring touch input and wireless communication. Its compatibility with popular programming environments ensures a smooth development experience. Specifications MCU ESP32-S3R8 Dual-core LX7 microprocessor Wireless Connectivity Wi-Fi 802.11, BLE 5 + BT Mesh Programming Platform Arduino IDE, VS Code Flash 16 MB PSRAM 8 MB Bat voltage detection IO02 Onboard functions Boot + Reset Button, Battery Switch Display 3.4" Capacitive Touch TFT LCD Color depth 565, 666 Resolution 180 x 640 (RGB) Working power supply 3.3 V Interface QSPI Included 1x T-Display S3 Long 1x Power cable 2x STEMMA QT/Qwiic interface cable (P352) 1x Female pin (double row) Downloads GitHub

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The T-Journal is a cheap ESP32 Camera Development Board that features an OV2640 camera, an antenna, a 0.91 inch OLED display, some exposed GPIOs, and a micro-USB interface. It makes it easy and quick to upload code to the board. Specifications Chipset Expressif-ESP32-PCIO-D4 240 MHz Xtensa single-/dual-core 32-bit LX6 microprocessor FLASH QSPI flash/SRAM, up to 4x 16 MB SRAM 520 kB SRAM KEY reset, IO32 Display 0.91' SSD1306 Power indicator lamp red USB to TTL CP2104 Camera OV2640, 2 Megapixel Steering engine analog servo On-board clock 40 MHz crystal oscillator Working voltage 2.3-3.6 V Working current about 160 mA Working temperature range -40℃ ~ +85℃ Size 64.57 x 23.98 mm Power Supply USB 5 V/1 A Charging current 1 A Battery 3.7 V lithium battery WiFi Standard FCC/CE/TELEC/KCC/SRRC/NCC (ESP32-chip) Protocol 802.11 b/g/n/e/i (802.11n, speed up to 150 Mbps) A-MPDU and A-MSDU polymerization, support 0.4 μS Protection interval Frequency range 2.4 GHz~2.5 GHz (2400 M ~ 2483.5 M) Transmit Power 22 dBm Communication distance 300m Bluetooth Protocol meet bluetooth v4.2BR/EDR and BLE standard Radio frequency with -98 dBm sensitivity NZIF receiver Class-1, Class-2 & Class-3 emitter AFH Audio frequency CVSD & SBC audio frequency Software Wifi Mode Station/SoftAP/SoftAP+Station/P2P Security mechanism WPA/WPA2/WPA2-Enterprise/WPS Encryption Type AES/RSA/ECC/SHA Firmware upgrade UART download/OTA (Through network/host to download and write firmware) Software Development Support cloud server development /SDK for user firmware development Networking protocol IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT User Configuration AT + Instruction set, cloud server, Android/iOS app OS FreeRTOS Included 1x ESP32 Camera Module (Fish-eye Lens) 1x Wi-Fi Antenna 1x Power Line Downloads Camera library for Arduino

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The LILYGO T-Panel S3 is a versatile development board designed for IoT applications, featuring a 4-inch IPS LCD with a 480x480 resolution. Powered by the ESP32-S3 microcontroller, it offers 2.4 GHz Wi-Fi and Bluetooth 5 (LE) connectivity, with 16 MB of flash memory and 8 MB of PSRAM. The board supports development environments such as Arduino, PlatformIO-IDE, and MicroPython. Notably, it includes a capacitive touch interface, enhancing user interaction capabilities. Onboard functions comprise Boot (IO00), Reset, and two additional keys, providing flexibility for various applications. This combination of features makes the T-Panel S3 suitable for a wide range of IoT projects and smart device control interfaces. Specifications MCU1 ESP32-S3 Flash 16 MB PSRAM 8 MB Wireless Connectivity 2.4 GHz Wi-Fi + Bluetooth 5 (LE) MCU2 ESP32-H2 Flash 4 MB Wireless Connectivity IEEE 802.15.4 + Bluetooth 5 (LE) Developing Arduino, PlatformIO-IDE, Micropython Display 4.0" 480x480 IPS ST7701S LCD Resolution 480 x 480 (RGB) Interface SPI + RGB Compatibility library Arduino_ GFX, LVGL Onboard functions QWiiCx2 + TF Card + AntennaESP32 4x Button= S3(Boot + RST) + H2(Boot + RST) Transceiver Module RS485 Using bus communication protocol UART Included 1x T-Panel S3 1x Female pin (2x 8x1.27) Downloads GitHub

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T-PicoC3 is LILYGO's first motherboard with dual MCUs – equipped with Raspberry Pi RP2040 and ESP32-C3 chip (supporting WiFi and Bluetooth).Specifications MCU RP2040 Dual ARM Cortex-M0+ Flash 4 MB Programming language C/C++, MicroPython Support machine leraning library TensorFlow Lite Onboard functions Buttons: IO06+IO07, battery power detection 1.14 inch ST7789V IPS LCD Resolution 135 x 240 Display Full-color TFT Interface 4-Wire SPI Power supply 3.3 V Operating temperature -20~70°C Dimensions 2.4 x 5.3 cm (W x H) DownloadsGitHub

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This book is intended as a highly-practical guide for Hobbyists, Engineers and Scientists wishing to build measurement and control systems to be controlled by a local or remote Personal Computer running the Linux operating system. Both hardware and software aspects of designing typical embedded systems are covered in detail with schematics, code listings and full descriptions. Numerous examples have been designed to show clearly how straightforward it can be to create the interfaces between digital and analog electronics, with programming techniques for creating control software for both local and remote systems. Hardware developers will appreciate the variety of circuits, including a novel, low cost modulated wireless link and will discover how using Matlab® overcomes the need for specialist programming skills. Software developers will appreciate how a better understanding of circuits plus the freedom offered by Linux to directly control at the register level enables them to optimize related programs. There is no need to buy special equipment or expensive software tools in order to create embedded projects covered in this book. You can build such quality systems quickly using popular low-cost electronic components and free distributed or low-cost software tools. Some knowledge of basic electronics plus the very basics of C programming only is required. Many projects in this book are developed using Matlab® being a very popular worldwide computational tool for research in engineering and science. The book provides a detailed description of how to combine the power of Matlab® with practical electronics. With an emphasis on learning by doing, readers are encouraged by examples to program with ease; the book provides clear guidelines as to the appropriate programming techniques “on the fly”. Complete and well-documented source code is provided for all projects. If you want to learn how to quickly build Linux-based applications able to collect, process and display data on a PC from various analog and digital sensors, how to control circuitry attached to a computer, then even how to pass data via a network or control your embedded system wirelessly and more – then this is the book for you! Features of this Book Use the power, flexibility and control offered only by a Linux operating system on a PC. Use a free, distributed downloadable GNU C compiler Use (optional) a low-cost Student Version of Matlab®. Use low-cost electronic sub-assemblies for projects. Improve your skills in electronics, programming, networking and wireless design. A full chapter is dedicated to controlling your sound card for audio input and output purposes. Program sound using OSS and ALSA. Learn how to combine electronic circuits, software, networks and wireless technologies in the complete embedded system.

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Lo-Fi (ESP32 + LoRa combination) is the perfect solution for anyone looking to establish long-range wireless communication in a variety of applications with WiFi capabilities. LoRa offers exceptional range and easy connectivity, it allows you to seamlessly communicate with devices up to 5 km away. Devices provide an efficient and trustworthy choice for long-range wireless communication in addition to WiFi access to link internet clouds best suited for Internet of Things applications, enabling connectivity in remote and challenging settings. Features Device powered by powerful ESP32 S3 WROOM-1 which is having Xtensa dual-core 32-bit LX7 microprocessor, up to 240 MHz Inbuilt Wi-Fi & Bluetooth LE for wireless connectivity Type C interface for Programming/Power 1.14" TFT display for visual interactions GPIO breakouts for interfacing additional peripherals Breadboard compatible for easy DIY breadboarding projects 2 separate user programmable buttons along with Reset and Boot buttons 3.7 V Lithium Battery connector for a portable use case with an onboard charging option Use new generation LoRa spread spectrum to ensure stable communication For LoRa, faster speed and a longer data transmission range of up to 5 km Applications Internet of Things (IoT) Smart Home Automation Agricultural Automation Emergency Services Environmental Monitoring Industrial Automation Specifications Microcontroller: ESP32 S3 WROOM-1 Wireless Interface: WiFi, BLE, LoRa Protocol: 802.11b/g/n, Bluetooth 5.0 Memory Size: 16 MB Flash, 384 kB ROM, 8 MB SRAM Supply Voltage: 5 V Operating Voltage: 3.3 V Display Size: 1.14” Display Type: TFT Display resolution: 135 x 240 pixels Display driver: ST7789V Display Appearance: RGB Display color: 4k/65k/252k Display Luminance: 400 Cd/m² Operating Temperature: -20 to 70°C Storage Temperature: -30 to 80°C LoRa Module Specs: Carrier Frequency (License Free ISM): 868 MHz Chip: Based on SX1262 RF chip Range: 5Km Transmitting Power: 22 dBm Receiving Sensitivity: -147 dbm Data Rate: Up to 62.5 kbps Communication Port: UART serial Downloads Getting started guide Hardware design files Included 1x Lo-Fi Board 1x Antenna (868 MHz)

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PC USB Logic Analyzers with Arduino, Raspberry Pi, and Co. Step-by-step instructions guide you through the analysis of modern protocols such as I²C, SPI, UART, RS-232, NeoPixel, WS28xx, HD44780 and 1-Wire protocols. With the help of numerous experimental circuits based on the Raspberry Pi Pico, Arduino Uno and the Bus Pirate, you will learn the practical application of popular USB logic analyzers. All the experimental circuits presented in this book have been fully tested and are fully functional. The necessary program listings are included – no special programming or electronics knowledge is required for these circuits. The programming languages used are MicroPython and C along with the development environments Thonny and Arduino IDE. This book uses several models of flexible and widely available USB logic analyzers and shows the strengths and weaknesses of each price range. You will learn about the criteria that matter for your work and be able to find the right device for you. Whether Arduino, Raspberry Pi or Raspberry Pi Pico, the example circuits shown allow you to get started quickly with protocol analysis and can also serve as a basis for your own experiments. After reading this book, you will be familiar with all the important terms and contexts, conduct your own experiments, analyze protocols independently, culminating in a comprehensive knowledge set of digital signals and protocols.

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PC USB Logic Analyzers with Arduino, Raspberry Pi, and Co. Step-by-step instructions guide you through the analysis of modern protocols such as I²C, SPI, UART, RS-232, NeoPixel, WS28xx, HD44780 and 1-Wire protocols. With the help of numerous experimental circuits based on the Raspberry Pi Pico, Arduino Uno and the Bus Pirate, you will learn the practical application of popular USB logic analyzers. All the experimental circuits presented in this book have been fully tested and are fully functional. The necessary program listings are included – no special programming or electronics knowledge is required for these circuits. The programming languages used are MicroPython and C along with the development environments Thonny and Arduino IDE. This book uses several models of flexible and widely available USB logic analyzers and shows the strengths and weaknesses of each price range. You will learn about the criteria that matter for your work and be able to find the right device for you. Whether Arduino, Raspberry Pi or Raspberry Pi Pico, the example circuits shown allow you to get started quickly with protocol analysis and can also serve as a basis for your own experiments. After reading this book, you will be familiar with all the important terms and contexts, conduct your own experiments, analyze protocols independently, culminating in a comprehensive knowledge set of digital signals and protocols.

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Double Backlit User Interface: The dual backlit button is just like the single backlit button, but twice the fun! Use this component when you need to operate something up and down, or right to left. Using cut-out vinyl, you can create icons and stickers on fabric that show your users button functionality. Features Component: 4.6 x 6.3" Individual Button Size: 1" radius circle Press Durability: Up to 10,000 presses under 5lbf LED Voltage: 5 V

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Like the mini pressure sensor, but bigger! Our 3x3 mega pressure matrix has 6 leads, allowing you to map which point you are at in the 3x3 matrix and get a pressure mapping over a surface. Each area has an analog readout that varies depending on the weight of the item on the pressure sensor. Generally, sensor values will read from 500 Kohms to 100 ohms depending on the force put onto the sensor. Features Component: 5 x 6.5" Sensing Area 3.0" Square Thickness: Approx 20 mils

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The single backlit button is a simple mechanical switch that comes with an LED inside. When you press the button, the circuit is completed, driving your pin high or low. Use the embedded LED to make a glowing power icon, logo , or whatever suits your fancy. Features Press durability: Up to 10,000 times pressing under 5lbf (22.24 N) LED Voltage: 5 V Component: 2" x 3" Individual (5,08 x 7,62 cm) Button Size: 1" radius circle (2,54 cm)

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This LR1302 module is a new generation LoRaWAN gateway module. It adopts a mini-PCIe form factor design and features low power consumption and high performance. Based on Semtech Network's SX1302 LoRaWA baseband chip, the LR1302 gateway module provides gateway products with potential capacity for long-distance wireless transmission. Compared to the previous SX1301 and SX1308 LoRa chips, the SX1302 chip has higher sensitivity, lower power consumption and lower operating temperature. It supports 8-channel data transmission, improves communication efficiency and capacity, and supports the connection and data transmission of more devices. It reserves two antenna interfaces, one for transmitting and receiving LoRa signals and one U.FL (IPEX) interface for independent transmission. It also has a metal shield to protect against external interference and provide a reliable communications environment. Designed specifically for the IoT space, the LR1302 is suitable for a variety of IoT applications. Whether used in smart cities, agriculture, industrial automation or other fields, the LR1302 module can provide reliable connections and efficient data transmission. Features Uses Semtech SX1302 baseband LoRa chip with extremely low power consumptionand excellent performance Mini-PCIe form factor and compact design make it easier to integrate into various gateway devices, suitable for space-constrained application scenarios, and provide flexible deployment options Support 8-channeldata transmission, provide more efficient communication efficiency and capacity Ultra-low operating temperatureeliminates the need for additional cooling and reduces the size of the LoRaWAN gateway Uses SX1250 TX/RX front end with sensitivity down to -139 dBm@SF12; TX power up to 26 dBm @3.3 V Specifications Frequency 863-870 MHz (EU868) Chipset Semtech SX1302 Chip Sensitivity -125 dBm @125K/SF7-139 dBm @125K/SF12 TX Power 26 dBm (with 3.3 V power supply) Bandwidth 125/250/500 kHz Channel 8 channel LEDs Power: GreenConfig: RedTX: GreenRX: Blue Form Factor Mini PCIe, 52-pin Golden Finger Power Consumption (SPI version) Standby: 7.5 mATX maximum power: 415 mARX: 40 mA Power Consumption (USB version) Standby: 20 mATX maximum power: 425 mARX: 53 mA LBT(Listen Before Talk) Support Antenna Connector U.FL Operating Temperature -40 to 85°C Dimensions (W x L) 30 x 50.95 mm Note LR1302 LoRaWAN Gateway Module is not included. Downloads Wiki SX1302 Datasheet Schematic Diagram

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An Introduction to Circuit Simulation LTspice, developed by Analog Devices, is a powerful, fast, and free SPICE simulator, schematic capture, and waveform viewer with a large database of components supported by SPICE models from all over the world. Drawing a schematic in LTspice is easy and fast. Thanks to its powerful graphing features, you can visualize the voltages and currents in a circuit, and also the power consumption of its components and much more. This book is about learning to design and simulate electronic circuits using LTspice. Among others, the following topics are treated: DC and AC circuits Signal diodes and Zener diodes Transistor circuits including oscillators Thyristor/SCR, diac, and triac circuits Operational amplifier circuits including oscillators The 555 timer IC Filters Voltage regulators Optocouplers Waveform generation Digital logic simulation including the 74HC family SPICE modeling LTspice is a powerful electronic circuit simulation tool with many features and possibilities. Covering them all in detail is not possible in a book of this size. Therefore, this book presents the most common topics like DC and AC circuit analysis, parameter sweeping, transfer functions, oscillators, graphing, etc. Although this book is an introduction to LTspice, it covers most topics of interest to people engaged in electronic circuit simulation. The book is aimed at electronic/electrical engineers, students, teachers, and hobbyists. Many tested simulation examples are given in the book. Readers do not need to have any computer programming skills, but it will help if they are familiar with basic electronic circuit design and operation principles. Readers who want to dive deeper can find many detailed tutorials, articles, videos, design files, and SPICE circuit models on the Internet. All the simulation examples used in the book are available as files at the webpage of this book. Readers can use these example circuits for learning or modify them for their own applications.

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An Introduction to Circuit Simulation LTspice, developed by Analog Devices, is a powerful, fast, and free SPICE simulator, schematic capture, and waveform viewer with a large database of components supported by SPICE models from all over the world. Drawing a schematic in LTspice is easy and fast. Thanks to its powerful graphing features, you can visualize the voltages and currents in a circuit, and also the power consumption of its components and much more. This book is about learning to design and simulate electronic circuits using LTspice. Among others, the following topics are treated: DC and AC circuits Signal diodes and Zener diodes Transistor circuits including oscillators Thyristor/SCR, diac, and triac circuits Operational amplifier circuits including oscillators The 555 timer IC Filters Voltage regulators Optocouplers Waveform generation Digital logic simulation including the 74HC family SPICE modeling LTspice is a powerful electronic circuit simulation tool with many features and possibilities. Covering them all in detail is not possible in a book of this size. Therefore, this book presents the most common topics like DC and AC circuit analysis, parameter sweeping, transfer functions, oscillators, graphing, etc. Although this book is an introduction to LTspice, it covers most topics of interest to people engaged in electronic circuit simulation. The book is aimed at electronic/electrical engineers, students, teachers, and hobbyists. Many tested simulation examples are given in the book. Readers do not need to have any computer programming skills, but it will help if they are familiar with basic electronic circuit design and operation principles. Readers who want to dive deeper can find many detailed tutorials, articles, videos, design files, and SPICE circuit models on the Internet. All the simulation examples used in the book are available as files at the webpage of this book. Readers can use these example circuits for learning or modify them for their own applications.

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LuckFox Pico Mini is a compact Linux micro development board based on the Rockchip RV1103 chip, providing a simple and efficient development platform for developers. It supports a variety of interfaces, including MIPI CSI, GPIO, UART, SPI, I²C, USB, etc., which is convenient for quick development and debugging. Features Single-core ARM Cortex-A7 32-bit core with integrated NEON and FPU Built-in Rockchip self-developed 4th generation NPU, features high computing precision and supports int, int8, and int16 hybrid quantization. The computing power of int8 is 0.5 TOPS, and up to 1.0 TOPS with int4 Built-in self-developed third-generation ISP3.2, supports 4-Megapixel, with multiple image enhancement and correction algorithms such as HDR, WDR, multi-level noise reduction, etc. Features powerful encoding performance, supports intelligent encoding mode and adaptive stream saving according to the scene, saves more than 50% bit rate of the conventional CBR mode so that the images from camera are high-definition with smaller size, double the storage space Built-in RISC-V MCU supports low power consumption and fast start-up, supports 250 ms fast picture capture and loading Al model library at the same time to realize face recognition "in one second" Built-in 16-bit DRAM DDR2, which is capable of sustaining demanding memory bandwidths Integrated with built-in POR, audio codec and MAC PHY Specifications Processor ARM Cortex-A7, single-core 32-bit CPU, 1.2 GHz, with NEON and FPU NPU Rockchip 4th-gen NPU, supports int4, int8, int16; up to 1.0 TOPS (int4) ISP Third-gen ISP3.2, up to 4 MP input at 30fps, HDR, WDR, noise reduction RAM 64 MB DDR2 Storage 128 MB SPI NAND Flash USB USB 2.0 Host/Device via Type-C Camera Interface MIPI CSI 2-lane GPIO Pins 17 GPIO pins Power Consumption Low power, RISC-V MCU for fast startup Dimensions 28 x 21 mm Downloads Wiki

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The LuckFox Pico Ultra is a compact single-board computer (SBC) powered by the Rockchip RV1106G3 chipset, designed for AI processing, multimedia, and low-power embedded applications. It comes equipped with a built-in 1 TOPS NPU, making it ideal for edge AI workloads. With 256 MB RAM, 8 GB onboard eMMC storage, integrated WiFi, and support for the LuckFox PoE module, the board delivers both performance and versatility across a wide range of use cases. Running Linux, the LuckFox Pico Ultra supports a variety of interfaces – including MIPI CSI, RGB LCD, GPIO, UART, SPI, I²C, and USB – providing a simple and efficient development platform for applications in smart home, industrial control, and IoT. Specifications Chip Rockchip RV1106G3 Processor Cortex-A7 1.2 GHz Neural Network Processor (NPU) 1 TOPS, supports int4, int8, int16 Image Processor (ISP) Max input 5M @30fps Memory 256 MB DDR3L WiFi + Bluetooth 2.4GHz WiFi-6 Bluetooth 5.2/BLE Camera Interface MIPI CSI 2-lane DPI Interface RGB666 PoE Interface IEEE 802.3af PoE Speaker interface MX1.25 mm USB USB 2.0 Host/Device GPIO 30 GPIO pins Ethernet 10/100M Ethernet controller and embedded PHY Default Storage Medium eMMC (8 GB) Included 1x LuckFox Pico Ultra W 1x LuckFox PoE module 1x IPX 2.4G 2 db antenna 1x USB-A to USB-C cable 1x Screws pack Downloads Wiki

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The M12 Mount Lens (12 MP, 8 mm) is ideal for use with the Raspberry Pi HQ Camera Module, offering sharp and detailed imaging for a wide range of applications.

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