• Designed for D1 Mini WiFi Extension Board
• Measures temperature and barometric pressure
• Arduino-compatible, can be programmed with Arduino IDE
• Compact and lightweight

• 16-channel relay module for controlling multiple devices simultaneously.
• Works with 5V DC, ideal for Arduino and microcontroller projects.
• Low state voltage (0–0.5V) activates the relay, while a high state voltage (3.7–5V) deactivates it.
• Compact and durable design for versatile applications.

Specifications:

• System: ESP8266 in the form of the ESP-12F module
• Flash: 4MB
• Power supply: 3.3V or 5V from the USB port
• Built-in 2.4GHz 802.11 b/g/n WiFi communication
• WiFi modes: AP (Access Point), STA (Standalone), AP+STA
• Supported technologies: TKIP, WEP, CRC, CCMP, WPA/WPA2, WPS
• 11 GPIO pins
• 10 PWM outputs
• 1 analog input (ADC)
• Serial interfaces: UART, I2C, SPI, 1-Wire
• USB Type-C connector for programming and communication
• USB-UART converter on the CH340 chip
• PCB antenna built into the module
• Przysick Reset
• Goldpin raster: 2.54 mm
• Module dimensions: 34 x 25 mm
• Weight: 10 g

Package:

1x ESP8266 WEMOS D1 MINI ESP-12F Z USB-C

Discover the Raspberry Pi 3 Model B, a powerful and versatile single-board computer perfect for various projects. Features include a Quad Core 1.2GHz Broadcom BCM2837 64-bit CPU, 1GB RAM, built-in WiFi and Bluetooth, and extensive connectivity options.

• Designed for Arduino Nano for easy expansion
• 14 Digital I/O pins for various input/output functions
• 6 PWM outputs for motor control, dimming LEDs, etc.
• 8 Analog input pins for sensors and other analog components

• Heating voltage: 5 ± 0.2V (AC direct current)
• Operating current: 5-10mA
• Detectable concentration range: PH0-14
• Test temperature range: 0-80 °C

• 16-Channel PWM Output: Control up to 16 servos or LEDs with precise 12-bit resolution.
• Adjustable PWM Frequency: Supports frequencies up to 1.6 KHz, making it ideal for various applications.
• High Precision Control: Provides 12-bit resolution per channel, delivering approximately 4µs resolution at 60Hz update rate.
• Flexible Output Configuration: Supports push-pull or open-drain output modes.

• High Efficiency: Maximum conversion efficiency of 95% (5V input, 3.3V output at ~200mA).
• Wide Voltage Range: Input voltage range from 4.75V to 23V, with a selectable output voltage from 1.0V to 17V.
• High Surge and Continuous Current: 3A surge current and 1.8A continuous rated current.
• Stable Performance: 340kHz switching frequency and minimal 30mV no-load output ripple.

• Powerful Performance: Quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz.
• High-Speed Memory: 4GB LPDDR4-3200 SDRAM for smooth multitasking.
• Versatile Connectivity: Dual micro-HDMI, Gigabit Ethernet, USB 3.0, and 802.11ac Wi-Fi.
• Expandable Storage: Micro-SD card slot for OS and data storage.

• 2MP OV2640 camera sensor for sharp image capturing.
• CSI/DVP interface for seamless integration with IoT boards.
• Compatible with ESP32-CAM, ESP-EYE, STM32 (F4/F7), and other IoT boards.
• 66-degree field of view for versatile applications.

• Low Power Consumption: Operates on a supply voltage of 2.4V-3.6V, typically 3.0V, and consumes only 0.12mA of current.
• Wide Measuring Range: Measures light intensity from 1lx to 65535lx.
• I2C Communication: Uses I2C bus for data transmission, making it easy to integrate with microcontrollers.
• High Accuracy: Offers ±20% accuracy in light measurements.

• Lithium Battery Charging: Charges lithium batteries with a voltage range of 3.3V to 4.2V.
• Boost Power Supply: Provides a 5V/1A boost power supply for efficient energy delivery.
• Recommended Charging Voltage: Works optimally with 5V charging voltage.
• Max. Charging Current: Supports a maximum charging current of 1A.

• Input Voltage: DC 10-60V
• Max Output Current: 20A (Suggested 10A for long-term use, up to 450W)
• Max Power: 1200W
• Speed Regulation Type: Current regulation

• Weekly programmable digital timer with LCD display
• Supports up to 34 on/off programs with a minimum interval of 1 minute
• High load capacity of 16A (250V AC) / 20A (30V DC)
• 60-day power reserve to maintain memory during power loss

Specification:

• Light source： COB
• Color: Warm white
• CIR: >80
• Power: 20W
• Input Voltage: AC 220V-265V
• Housing Material: Aluminum
• Source Life: > 50,000 hours
• Lighting angle: 120

Package:

1x COB LED Chip Lamp 20W 220V Intelligent IC No Driver Needed LED Bulb for Flood Light Spotlight DIY Lighting 20W Warm White

• Detects conductance of skin
• Includes finger straps for electrodes
• Compatible with 3.3V and 5V systems
• Compact and lightweight design