The PIC16F628 is a powerful and easy-to-program CMOS Flash-based 8-bit microcontroller from Microchip. It features the robust PIC® architecture, making it suitable for a wide range of applications, including automotive, industrial, appliances, and consumer electronics. This microcontroller is designed for low voltage programming and offers a variety of features that enhance its versatility and performance.

• Integrated NRF24l01 V3.0 module for wireless communication.
• Built on the ATmega328P microcontroller.
• 32 KB flash drive, with 2 KB used by the bootloader.
• 8 Analog I/O pins for varied sensor integration.

• Compatible with the UNO IDE 1.0+ (OSX/Win/Linux)
• Powered via USB or external sources (5V or 7-35V, 12V recommended for optimal performance)
• On-board 500mA 5V Regulator for stable power supply
• Integrated Micro USB port for easy programming and power

• Supports working voltages of 6-30V and micro USB 5.0V power supply
• High-level trigger (3.0V-24V) for signal input
• Adjustable timing range from 0.1s to 999 minutes
• Can control equipment up to DC 30V 5A or AC 220V 5A

• Easy Operation: Simply plug in USB or micro USB to output 1.2V-24V adjustable voltage
• One-Key Off: Easily turn off the output with a single button
• Precise Adjustment: Multi-loop precise adjustable potentiometer for fine voltage control
• Power-Off Storage: Saves settings before power-off

• 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.

• Accurate temperature and humidity sensing
• I2C and one-wire bus communication
• Wide temperature measurement range (-40°C to 125°C)
• Compact and easy to integrate with Arduino

• Compact and Lightweight Design for easy integration
• Supports Type-C to 2.54mm Pin Conversion for versatile connectivity
• Stable DC 5V Operation for reliable performance
• Wide Operating Temperature Range for durability

• STM8S103F3 Chip: Features 640 bytes of EEPROM for better data storage and retrieval.
• Flash Memory: 8K bytes of Flash memory (compared to the 4K bytes on STM8S103F2).
• Higher Endurance: Supports up to 10,000 Flash erase cycles, offering improved reliability for development.

• Imported normally-open reed switch for reliable performance
• Comparator output with clear signal and clean waveform
• High driving ability with more than 15mA output

• Operating voltage: DC12V (27A/12V battery x1)
• Operating Current: 10mA @ 12V 
• Radiated power: 10mw @ 12V
• Transmitting frequency: 315MHZ 
• Transmission distance :50-100M (Open field, the receiver sensitivity of -100dbm) 

• Battery-Powered Smoke and Fire Alarm (Battery not included)
• Environmentally Friendly: No harmful radiation, smells, or risks
• Low Power Consumption: Sensor's service life of about 10 years
• Photoelectric Chamber: Ensures early detection of smoke from all directions

Specifications:

• Using the NTC thermistor sensor , good sensitivity
• The comparator output signal clean waveform is good , driving ability, than 15mA
• Adjust the temperature distribution bit detection threshold
• Working voltage 3.3V-5V
• The output format: Digital switching output (0 and 1)
• With bolt holes for easy installation
• Using a wide voltage LM393 comparator

Package:

1x Digital Thermal Temperature Sensor Module for Arduino (Thermistor)

Specifications:

• Multi-function mini boost module
• Basic parameters
• The output voltage can be set to 5V/8V/9V/12V, the default is 12V
• Input voltage range: 2.5V~VOUT-0.5V
• Output performance: Take 3.7V lithium battery input as an example, it can output 5V1.2A, 8V0.7A, 9V0.6A, 12V0.5A. Make sure that the input current and output current do not exceed 1.5A.

Voltage setting description:
The front side of the PCB can be seen with the words A and B. The output voltage can be changed by using the soldering iron to change the pad on and off. In the following table, 0 means the pad is disconnected and 1 means the pad is connected.

• A   B   VOUT
• 0   0   5V
• 0   1   8V
• 1   0   9V
• 1   1   12V

Package:

1x 1.5A Multi-function Mini Boost Module

• Electromyographic (EMG) Measurement: Measures muscle activity by detecting electrical signals.
• Adjustable Gain: Provides improved gain for more accurate and rugged readings.
• Compatible with Microcontrollers: Easily integrates with microcontrollers for muscle-controlled interfaces.
• Electrode Pads: Includes large 52mm electrode pads for better contact and accuracy.

• Voltage: 3.3V
• Resolution: 500dpi
• Backlight Color: Blue
• Interface: TTL Serial