This LILYGO T-Beam V1.2 ESP32 LoRa Development Board comes with pre-installed Meshtastic and soldered 0.96' display. The board has a built-in Semtech SX1262 LoRa transceiver and is equipped with a NEO-6M GPS receiver. GPS NEO-6M GPS module: Support GPS protocol Onboard RTC crystal: Support interrupt/wakeup LoRa Long Range Low Power LoRa Transceiver High sensitivity: -i48 dBm Transceive rate: 300 kbps Version: SX1276 (868 MHz) Firmware: Meshtastic Display OLED: 0.96 inch Driver: SSD1306 Specifications Microcontroller ESP32 Flash 4 MB PSRAM 8 MB Serial Chip CH9102 Wireless protocol Wi-Fi + Bluetooth 4.2 PMU AXP2101 Onboard functions 3 buttons (Power + IO38 + Reset) Power supply Micro USB, 18650 battery Antenna 3D WiFi Antenna LoRa antenna GPS ceramic antenna Included 1x LILYGO T-Beam V1.2 CH9102 1x 868 MHz Antenna 1x Soldered 0.96' LCD (128x64) 2x Pin headers Downloads GitHub Schematics

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Specifications Size: 0.96 inch Resolution: 128 x 64 Visual Angle: >160 ° Input Voltage: 3.3 V ~ 6 V Wide voltage support: 3.3 V, 5 V Viewing angle: >160 Only Need 2 I/O Port to Control Drive IC: SSD1306 Operating temperature: -30 °C to 80 °C OLED Advantages Smaller volume Ultra-low power consumption High contrast Display dot self-luminous Broad voltage support Independent communication method via SPI or IIC 128x64 Dot matrix Broad visual angle: maximum visual angle 160° Industrial-grade operating temperature: -30 ~ 70 °C Warning: The display’s glass is very thin, please be careful while using it. If The glass is broken, display will not work well.

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This endoscope camera features an 8 mm micro lens with a 170° viewing angle and 6 adjustable LED lights for clear, high-definition visuals. Its ergonomic handheld design allows one-handed operation, and the 2 m semi-flexible cable easily navigates narrow spaces. With IP67 waterproofing, the camera is ideal for wet environments, while the non-slip matte body ensures comfort and ease of use. It operates without the need for WiFi, phones, or apps, making it a practical tool for industrial tasks like plumbing, auto repair, and home maintenance. Specifications Display 2.4 inch LCD Resolution 1920 x 1080 Lens size 8 mm Focal length 3-10 cm Horizontal viewing angle 170° Image format JPEG Lights 6 LEDs (adjustable) Interface USB-C Battery Built-in 2600 mAh Lithium battery Battery runtime 4-5 hours Cable length 2 m Included Endoscope Camera with 2.4" LCD USB cable Manual

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Specifications Dimensions 200 x 9.60 x 4 mm Weight 21g Battery Exclude Grove - Universal 4 Pin 20cm 5 RoHS Compliant

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The SparkFun Qwiic Adapter provides the perfect means to make any old I²C board into a Qwiic-enabled board. This adapter breaks out the I²C pins from the Qwiic connectors to pins that you can easily solder with your favorite I²C-enabled device. The Qwiic Adapter has two Qwiic connection ports, all on the same I²C bus. Four plated through holes are broken out for SCL, SDA, 3.3V and GND. These pins can be used to convert an old I²C-enabled device into a Qwiic-enabled board. Features 2x Qwiic Connection Ports Broken-out I²C Pins

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The kit is a faithful and functional transistor-scale replica of the classic NE555 timer integrated circuit, one of the most classic, popular, and all-around useful chips of all time. The kit is designed to resemble an (overgrown) integrated circuit, based around an extra-thick matte-finish printed circuit board. The stand – which gives the circuit board eight legs in the shape of DIP-packaged integrated circuit pins – is made from machined and formed semi-rigid PVC foam.

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Use acoustic waves to hold in mid-air samples such as water, ants, or tiny electric components. This technology has been previously restricted to a couple of research labs but now you can make it at your home. Included 76x 10 mm 40 kHz transducers 1x Arduino Nano 1x L298N Dual Motor Drive Board 1x Power Switch 1x DC Adaptor 9 V 1x Jumper Wires 6x Black and Red Wire Some Exposed Wire 1x 3D-Printed TinyLev Downloads Instructables Scientific Information

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This Mini Radar Robot is an exciting, programmable DIY kit that combines creativity, technology, and hands-on learning. The kit is perfect for tech enthusiasts, makers, and students eager to explore robotics and programming with Arduino or ESP8266. Equipped with a 2.8" TFT screen, it offers real-time visual feedback by detecting objects with its ultrasonic sensors. Targets within 1 meter are shown as red dots, while objects up to 4.5 m are displayed in digital form on the screen. Specifications Main Control Unit ESP8266 microcontroller + expansion board Material Constructed from high-quality acrylic sheet, ensuring durability and a sleek, modern look Operating Voltage 5 V/2 A Operating Temperature −40 to 85°C Dimensions 145 x 95 x 90 mm Installation No soldering and programming required Included 1x Servo motor 1x Ultrasonic transducer module 1x Microcontroller board 1x 2.8-inch display module 1x USB power supply 1x USB cable Acrylic mechanical elements All necessary cables, screws, nuts, and spacers

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GreatFET One is a hardware hacker’s best friend. With an extensible, open source design, two USB ports, and 100 expansion pins, GreatFET One is your essential gadget for hacking, making, and reverse engineering. By adding expansion boards called neighbors, you can turn GreatFET One into a USB peripheral that does almost anything.Whether you need an interface to an external chip, a logic analyzer, a debugger, or just a whole lot of pins to bit-bang, the versatile GreatFET One is the tool for you. Hi-Speed USB and a Python API allow GreatFET One to become your custom USB interface to the physical world.Features Serial protocols: SPI, I²C, UART, and JTAG Programmable digital I/O Analog I/O (ADC/DAC) Logic analysis Debugging Data acquisition Four LEDs Versatile USB functions High-throughput hardware-assisted streaming serial engine Downloads Documentation 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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This is a 100mm long 4-conductor cable with 1mm JST termination. It’s designed to connect Qwiic enabled components but can be used for other applications as well. Each Qwiic Cable's wires have been colour-coded to Red, Black, Blue, and Yellow.

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Pico Cube is a 4x4x4 LED cube HAT for Raspberry Pi Pico with 5 VDC operating voltage. Pico cube, a monochromatic Blue with 64 LEDs, is a fun way to learn programming. It is designed to perform incandescent operations with low energy consumptions, robust outlook, and easy installation that make people/kids/users learn the effects of LED lights with a different pattern of colors via the combination of software and hardware i.e. Raspberry Pi Pico. Features Standard 40 Pins Raspberry Pi Pico Header GPIO Based Communication 64 High-Intensity Monochromatic LEDs Individual LED access Each Layer Access Specifications Operating Voltage: 5 V Color: Blue Communication: GPIO LEDs: 64 Included 1x Pico Cube Base PCB 4x Layer PCB 8x Pillar PCB 2x Male Berg (1 x 20) 2x Female Berg (1 x 20) 70 LEDs Note: Raspberry Pi Pico is not included. Downloads GitHub Wiki

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The official Sense HAT from the Raspberry Pi Foundation is an add-on board for Raspberry Pi (4, 3, 2, B+ and A+). The Sense HAT has the following sensors: 8x8 RGB LED matrix display Accelerometer Gyroscope Magnetometer Air pressure sensor Temperature Humidity sensor Five-button joystick

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Case for the DPS5005 and DPH5005 Power Supplies Included Metal case Fan Fan power supply board Connection cables Switch Screws Nuts Spacers Forked cable lugs Binding posts Transparent sticky mat

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In 2011 we published a small PCB, FT232R USB/Serial Bridge/BOB (110553) with a USB-UART IC from FTDI, the FT232RQ. Here we present its successor with a cheaper version, an FT231XQ. But there are some other changes too. Instead of connectors, alongside the PCB, normal pin headers are used that are mounted on the bottom side and make the PCB a little smaller when mounted, compared to the old BoB. An ESD protection device (D1) is added in the USB data signal lines for extra safety. Despite less room for all parts to fit on the PCB, it is only a little over 2 mm longer. The FT231 has four configurable CBUS I/O pins, one less now. More importantly, however, the power supply for the I/O's VCCIO is only specified for +1.8 V to +3.3 but is 5 V tolerant for external UART logic running on +5 V. The +3.3 V internal regulator of the FT231 can deliver 50 mA to external circuitry. The manufacturer FTDI has a utility to configure several settings, FTPROG. Such as the function of the CBUS pins. By default, CBUS1 and CBUS 2 are low-level outputs to drive receive and transmit LEDs, indicating data transfer on the USB bus. So, when receiving data through the UART, the TX LED lights up. If you prefer this the other way around, FTPROG can be used to change this. But be careful the chip can become unresponsive when wrong settings are programmed. Some of the more important properties of the new BoB: Micro-USB connector USB 2.0 Full Speed capable VCCIO +1.8...+3.3 V (max. 4 V, 5 V input from UART logic tolerant) +3.3 V regulator output, max. 50 mA Data transfer 300 baud to 3 Mbaud UART Compatible with RS232, RS485, and RS422 I/O pin output drive 4 mA - 16 mA 4 configurable CBUS pins Downloads EEPROM Programming Utility VCP Drivers D2XX Drivers

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This exceptional GPS/GNSS antenna is designed for both GPS and GLONASS reception. The magnetic mount allows it to be easily mounted to a metal base such as a ground plate or car roof. The antenna is terminated with a 3m cable and standard SMA connector. Features Dimensions: 50x38x17mm Weight: 75g including 3m cable Frequency Range: 1575 - 1610MHz GPS Center Frequency: 1575.42MHz GLONASS Center Frequency: 1602MHz LNA Voltage: 3 to 5VDC LNA Gain: 28dB LNA Current: 10mA Termination Connector: SMA Impedance: 50Ω Right-hand polarization Cable Length: 3 meter

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The Mendocino Motor AR O-8 is a magnetically levitated, solar powered electric motor as a kit. Light Becomes Movement The solar-powered Mendocino motor seems to float in the air. At first glance, you can't see why the rotor is turning at all. This is the magic of the motor. The Lorentz force is a very small electrical force. In a classroom setting, it is detected by a current swing in the magnetic field. With the Mendocino motor, we have succeeded in developing a beautiful application that uses this weak force for propulsion. Due to its concealed base magnet, the motor will fascinate technically inclined observers. In bright sunlight, the motor can reach a speed of up to 1,000 rpm. More impressive, however, is that even the faint glow of an ample tea light (D = 6 cm with a flame height of about 2 cm) is sufficient to drive the motor. The motor is not yet an alternative source of energy, even though it looks tempting. Presumably, it will remain an attractive model until a resourceful mind disproves this assumption. Dimensions All solar cells 65 x 20 mm Mirror diameter: 25 mm Rotor weight: approx. 150 g Model length: 160 mm Model width: 85 mm Frame height: approx. 85 mm Frame material: black acrylic Tube made of highly polished aluminum Mirror color: silver The Mendocino motor’s easy-to-follow instruction manual includes more than 70 illustrations. It describes a safe and practical approach to construction but also gives you the freedom to try your solutions. Partly Pre-Assembled Kit A portion of the kit comes pre-assembled. Bonding the borosilicate glass pane to the acrylic surface requires specialized knowledge and aids. We do not want to impose this on the hobbyist. For instance, the base magnet is attached to the aluminum tube. As a hobbyist, you will need some know-how and appropriate tools: carpet knife, soldering iron and tin, hot glue, pliers, and a clamp or ferrule to fix the supplied assembly aid. A lot of fun is guaranteed!

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Features 2.13' capacitive touch e-Paper display, 5-point touch, 250×122 pixels Supports waken up by user-defined gesture No backlight, keeps displaying last content for a long time even when power down Ultra low power consumption, basically power is only required for refreshing Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi Zero / Zero W Comes with development resources and manual (examples for Raspberry Pi) Included 1x 2.13inch Touch e-Paper HAT 1x ABS case 1x Screwdriver 1x Thermal tape 1x Rubber feet 4pcs 2x Screws Downloads Documentation

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