FR-4 circuit plate board using military grade A material sheet, plate, and some stability tolerance parameters, A material behaved very tough, which is in the interests of a number of other relatively cheap price sheet. PCB board parameter elements are printed directly, without reference...

Feature:  This product is based on the SX1276 chip of ESP32 WIR enhanced OLED, that is LoRa remote modem, frequency 868 / 915MHz, high sensitivity over -148 dBm, +20 dBm output power, high reliability, long transmission distance.  Onboard 32 MB flash WiFi antenna, 0.96...

Note: This is a DIY kit, you need to assemble it. No install instruction supply. Feature:    On the basis of the ordinary tesla, added a music playback function: A new concept loudspeaker for generating acoustic vibrations of air generated by an arc excited...

T-Display-GD32 RISC-V 32-bit Core Minimal Development Board 1.14 IPS -2021.    Feature:  Hardware Specifications:  Chipset: GD32VF103CBT6;  FLASH: 128KB;  SRAM: 32 KB;  On-board clock: 108MHz crystal oscillator;  Working voltage: 2.7V-3.6V;  Power: 1/3 Cortex-M3;  Peripheral:  Button: BOOT, RESET;  LCD: ST7789, 1.14 IPS, 240x135;  USBtoTTL: CP2104;  Modular interface:...

Specification:  Model: SS-12D00G3;  Type: 1 Pole 2 Throw;  Terminal Quantity: 3pcs;  Working Power: 0.5A 50V DC;  Contact Resistance: 30mΩ Max;  Insulation Resistance: 100mΩ Min at 500V DC;  Withstand Voltage: AC 500V for 1 min;  Terminal Length: 3mm/ 0.12";  Pin Pitch: 2.54mm / 1";  Main...

Update information: V1.1 (From December, 2020).    Feature:  Hardware Specifications:  Interface: USB,SD Card, Solar Input interface;  Flash Memory: 4M Flash / 8M PSRAM;  Button: Reset,Power switch;  USB to TTL: CP2104 / CH9102F (optional);  Car Clock: 40HHz;  SIM Card Size: Nano SIM Card;  SIM Antenna Model: Full...

Feature: Power supply: 9V-12V (Recommended 9V laminated battery).  Antenna: 50 ohm, unbalanced.  Frequency range: transmitter local oscillator frequency: 7023kHz; receive local oscillator frequency: about 7023-7026KHz Headphones: low-impedance headphones.  Transmit power: 0.8W (using a 9V power supply), 1.2W (12V power supply).  Suppress spurious (harmonic):-20dB.  Note:...

Description:   Working voltage: 3~12V.  Board size: 90 x 60 x 1.6mm.  This DIY SMD practice board suitable to improve soldering level and speed. Package included: 5 x SMD Components Soldering Skill Training Kit

Luxurious HIFI Amplifier Preamplifier Volume Control Tone Board1000UF/25V DIY Suit -2021.    Specifications:  Power Input: AC12 or AC15V, you can also input DC15V (any one of them);  PCB Size: 90*45MM;  Potentiometer Spacing: 20MM;  The potentiometers are from left to right: bass control, treble control,...

Feature:  1. Onboard mature and stable ESP32-WROOM-32E module, large-capacity 4M Byte Flash;  2. The I/O ports and UART program download ports of the ESP32 module are all led out, which is convenient for secondary development;  3. Power supply voltage AC110-220V/DC5-30V;  4. Onboard ESP32 module...

Description:   Appearance size: 43 x 32mm.  PCB Material: double-sided 1.6mm FR-4 sheet.  Supply voltage: 3-5V.    Package Included: 5 x DIY Sound Light Infrared Sensor Anti-theft Alarm Switch Kit

Feature:    White noise signal commonly known as noise, similar to the noise floor of the radio. Use is very wide, such as testing and treatment of insomnia and so on!  DC 12V power supply.     Two-way signal output:   J1 output 1V fixed...

Specification:  Product name: Air Compressor Tank Pressure Switch;  Material: metal;  Color: black;  Dimension: Length: 45.5mm Width: 26.7mm;  Quantity: 1pc;  Turns On at 170psi, Turns Off at 200psi;  1/4" NPT End.     Features:  Directly into a power socket.  Auto power off at 200 PSi.  Auto...

Feature:   Operating voltage: DC5V.  Standby current: ≤8mA.  Working current: ≤10mA.  Countdown: 60 seconds.  Countdown ends prompt: three alarms.  Soludering difficulty: General.  Board size: 84 x 84mm.  Note: Electronic production kit, require buyer soldering assembly.    Package included: 5 x Electronic Timer K

Feature:  Fits for pro scooter.  No need active,support original APP.  Size: 11 x 7.5 x 3cm.    Package Includes:  1 x Motherboard;  1 x Dashboard with cover

Features:  - Contains six units (HUB, POT, PIR, RGB, IR and ENV).  - Contains 500mAh battery.    Package Included:  1 x M5GO IoT Development Board;  1 x HUB Unit;  1 x POT Unit;  1 x PIR Unit;  1 x RGB Unit;  1 x IR...

Description: High and low sound two-way, can be used for home audio, or car audio. High-quality components, fine workmanship. The four modes of high and low sound are adjustable, the whole process is free of welding, the use is simple and convenient, and the...

Description: This is a Programmable Smart Speaker based on the M5ATOM design. Its form factor is very small, its dimensions are only 24 * 24 * 17 mm. Music can be played using the Bluetooth capabilities of the ESP32 from a mobile phone or tablet....

Description:MB-102 830 Point Solderless PCB Breadboard:Quantity: 5 Pcs. Model: MB-102. Dimension: 16.7 x 5.7 x 1cm. Tie Points: 830 tie points (consists of: 630 tie-point terminal strip, 200 tie-point distribution strips). Matrix: 126 separate 5 point terminals, plus 4 horizontal bus lines (Power Lines) of 50 test points...

Specification:  Maximum welding thickness: 0.3mm;  Input voltage: 8.4V;  Size: 115 x 136 x 65mm(Length x width x height).     Instructions for use:  1: The device voltage is lower than 6.5v to charge, please turn off when charging, the charging green light is always on,...