• Non-isolated Buck Module: A reliable and efficient step-down power conversion.
• Wide Input Range: Input voltage from 6V to 36V.
• Adjustable Output Voltage: Output voltage adjustable from 1.25V to 32V, with a default output of 5V.
• MPPT Voltage Setting: MPPT range from 6V to 36V to optimize solar panel charging.

• 2-channel relay module for controlling AC and DC loads
• Low-level trigger for easy microcontroller interfacing
• Compatible with Arduino, Raspberry Pi, ESP8266, ESP32, and other microcontrollers
• Capable of switching high-power loads up to 250V AC @ 10A or 30V DC @ 10A

• USB Type-C Input: Supports 5V Type-C USB input for easy charging and power supply.
• Overcharge Protection: Prevents overcharging with a cut-off voltage of 4.28V.
• Over-discharge Protection: Stops discharge when the battery voltage drops to 3.2V.
• Maximum Output Current: Can provide a charging current of up to 1A (1000mA).

• 8 Bi-Directional Channels: Allows seamless voltage shifting between 3.3V and 5V logic devices.
• Automatic Direction Sensing: No need for manual configuration, simplifying circuit design.
• Compact & Lightweight: 2.6 cm x 1.6 cm in size, weighing only 2.38g.
• High-Quality PCB: Ensures reliability and durability for long-term use.

• Supports static to 1/32S scan mode
• Wi-Fi and U-Disk communication port
• Displays full-color text, images, time, and temperature
• 999 programs with remote switch support

• Dual Voltage Compatibility: Works with both 3.3V and 5.0V power supply, offering flexibility in different setups.
• Signal Compatibility: Supports both 3.3V and 5.0V signal levels, making it adaptable to a variety of systems.
• Industrial Design: Uses imported chips with industrial-grade design, offering superior anti-interference ability.
• Wide Operating Temperature: Can operate in harsh environments with a temperature range from -40°C to +85°C.

• I2C Interface: Easy integration with other devices and communication over the I2C protocol
• Accuracy: Offers typical accuracy of ±2% RH and ±0.3°C for temperature measurements
• Compact Size: Small form factor, measuring 28.3mm x 26mm
• Compatibility: Specifically designed for the WEMOS D1 Mini

• Wide Temperature Range: Measures from -70°C to +380°C for object temperature and -40°C to +125°C for sensor temperature.
• High Accuracy: 0.5°C accuracy over a wide range (0 ... +50°C for both sensor and object).
• Customizable PWM Output: Ideal for continuous readings.
• Factory Calibrated: Ensures high medical accuracy.

Specifications:

• Microcontroller: PIC16F877A
• Crystal Frequency: 4MHz (replaceable via socket)
• Power Supply: USB interface or external 5V DC
• Communication Interface: RS232
• LEDs: 8 connected to the RD port (can be enabled/disabled via J3 jumper)
• Buttons: 4 independent buttons (connected to RB0, RB1, RB2, RB3)
• Programming Interface: ICSP (compatible with K150, PICKIT2, PICKIT3, ICD2)
• Power Expansion: VCC and GND pin power expansion interface (5V)
• Temperature Sensor: DS18B20 interface
• LCD Interface: Compatible with LCD1602 and LCD12864

Package:

1 x PIC development board(with PIC16F877A chip)

1 x USB cable

1 x CD

• Output Power: 3.2W at 4Ω and 10% THD, 1.8W at 8Ω and 10% THD.
• I2S Sampling Rate: Supports 8kHz - 96kHz sampling rates for high-quality audio output.
• Class D Gain: Selectable gain options of 3dB, 6dB, 9dB, 12dB, and 15dB.
• No Master Clock (MCLK) Required: Simplifies setup by eliminating the need for a master clock.

✔ High Precision Measurement – Onboard precision micro current transformer for accurate current sensing
✔ Op-Amp Circuit Board – Provides accurate signal sampling and appropriate compensation
✔ Adjustable Output – The analog output corresponding to current can be easily adjusted
✔ Wide Working Voltage – Operates within a range of DC 5-30V for versatile

• Input Voltage Range: 4V to 38V DC (up to 38V).
• Output Voltage Range: 1.25V to 36V DC (adjustable).
• Maximum Output Current: 5A.
• High efficiency of up to 96%.

• Magnetic encoder induction angle sensor
• Wide operating temperature range: -40°C to 125°C
• Low power consumption with 3.3V DC power supply
• Compact size, ideal for various applications

• Compatibility: Designed specifically for ESP8266 ESP-01 WiFi module.
• Pin Spacing: 2.54mm (standard breadboard pitch) for easy integration with breadboards.
• Voltage Regulator: 3.3V onboard regulator for stable voltage supply.
• Output Voltage: Provides 3.3V for powering the ESP-01 module.

• 802.11 b/g/n Wi-Fi protocol
• 2.4 GHz frequency, supports WPA/WPA2 encryption
• Ultra-compact size: 11.5mm x 11.5mm
• Integrated 10-bit ADC and TCP/IP protocol stack

• Input Voltage Range: 5V to 36V DC.
• Output Voltage Range: 1.25V to 32V DC (adjustable).
• Output Current: 0A to 5A.
• Built-in protections: thermal shutdown, current limit, and short-circuit protection.