• ESP32 Chipset: 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
• Memory: 4MB QSPI flash, 8MB PSRAM
• GSM/GPRS Module: Supports Nano SIM cards for GSM communication
• Wi-Fi & Bluetooth: 802.11 b/g/n (150Mbps) and Bluetooth v4.2BR/EDR & BLE

• 2-digit 7-segment LED display with red illumination for clear visibility
• Common Anode (C.A.) configuration for ease of integration into electronic circuits
• Brightness of 1.0 mcd @ 10mA, offering good visibility even in low-light environments
• Right-hand side decimal point location, ideal for numerical displays and counters

• Control 16 PWM outputs using just two I2C pins
• Stackable up to 62 shields for a total of 992 PWM outputs
• Built-in PWM driver with clock, no need for continuous signals
• 5V compliant, allowing control from a 3.3V

• Optical Heart-Rate Monitor
• Pulse Oximetry Solution
• Small and compact design
• Ideal for wearable devices

• Easy Interface: Simple integration with the WeMos D1 mini for SD card operations.
• SPI Communication: Uses the SPI interface for communication between the WeMos D1 mini and the SD card.
• Compact Design: Designed specifically for the WeMos D1 mini, making it small and efficient for space-constrained projects.
• Wide Compatibility: Compatible with various microSD cards for data storage and retrieval.

• High precision humidity sensor with ±3% RH accuracy.
• Temperature measurement with ±0.4°C accuracy.
• Wide operating range from 0% to 100% RH and -40°C to +125°C.
• Low power consumption with 150 μA active current and 60 nA standby current.

• Chip: MPU-6050
• Power Supply: 3V-5V
• Gyroscope Range: +250, +500, +1000, +2000 °/s
• Acceleration Range: ±2, ±4, ±8, ±16 g

• Provides a single-chip solution for upgrading RS232 devices to USB interface.
• Suitable for a variety of applications, including industrial control and data transfer.
• Compatible with Windows, macOS, and Linux operating systems.
• Compact and lightweight design for easy integration.

• Powerful Processor: 1GHz quad-core, 64-bit ARM Cortex-A53 CPU for efficient processing.
• Wireless Connectivity: Equipped with 802.11b/g/n wireless LAN and Bluetooth 4.2 / BLE for easy connectivity.
• Compact and Expandable: Features a microSD card slot, mini HDMI, and USB 2.0 OTG ports.
• Versatile Compatibility: HAT-compatible 40-pin header, allowing seamless integration with various accessories.

The Atmel ATtiny13A-PU is a picoPower 8-bit AVR RISC-based microcontroller designed for high performance and low power consumption. This microcontroller is ideal for a variety of applications, offering a compact and efficient solution with its powerful instruction set and versatile features.

• Adjustable delay time range from 10 seconds to 24 hours
• Power-on reset for automatic start
• Current output voltage ratio: 3V/300mA, 5V/200mA, 9V/100mA
• Can drive 3V/5V/12V relays, LEDs, and similar devices

• Support 12 Mbps full speed USB transmission and 1.5 Mbps low speed transmission, compatible with USB V2.0.
• Serial communication baud rate can support 300000/115200/57600/38400.
• The same chip can be configured for upper computer mode and lower computer mode.
• The USB port of the upper computer conforms to the standard HID protocol and does not need to install additional drivers.

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

• Operating Voltage: 12V DC
• LED Indicators: Two separate LEDs for On/Off status indication of the relay
• Triggering Input Voltage: 3.3V – 5V
• Back EMF Protection: Protects against back electromotive force

• Automatic Switching: Designed to automatically switch to battery backup when the main power fails.
• Wide Voltage Range: Suitable for applications with DC voltage from 5V to 48V.
• High Charging Current: Capable of handling up to 10A charging current for efficient performance.
• Compact Size: Small footprint (61mm x 30mm x 18mm) makes it easy to integrate into various setups.

• High Detection Range: Adjustable detection distance between 2m to 16m with the adapter plate or reference circuit.
• Low Power Consumption: Operating current of 50mA max. and typical average current of 2mA at 5% DC.
• Microwave Frequency: 10.525GHz helium emission frequency for efficient detection.
• High Sensitivity: Sensitivity up to -86dBm with 3Hz to 80Hz bandwidth.