Specifications:

• For Model: DS18B20
• Type: waterproof temperature sensor
• Feeler: stainless steel temperature sensor
• Temperature measuring range: -55 ° C -125 ° C
• Accuracy over the range of -10 ° C - 85 ° C: ± 0.5 ° C
• Adjustable resolution: 9 - 12 bit
• Voltage supply: 3.0 - 5.5V

Package:

1x DS18B20 Temperature Sensor Adapter Shield

• Supports up to 80 voice commands, each up to 1500ms long.
• Can recognize a maximum of 7 voice commands simultaneously.
• High accuracy (99%) in ideal conditions.
• Easy to control via UART or GPIO.

Specifications:

• Fixed Output Voltage: 3.3V ± 4%
• Input Voltage Range: 1.8V - 5V
• Continuous Output Current: Max 100mA
• Peak Output Current: Max 150mA (short duration)
• Operating Frequency: 1.2MHz
• Protection: Short-Circuit Protection
• No Load Input Current: 0.65mA
• Pin Pitch: 2.54mm (suitable for Breadboard and MCU Development Boards)
• Dimensions: 11mm x 7.62mm x 4.5mm (excluding pins)
• Weight: Approximately 0.5g

Package:

1x mini 2 in 1 DC DC Step-Down & Step-Up Converter 1.8V-5V to 3.3V Power Wifi ESP8266 HC-05 CE1101 LED Module

• Converts SOP28, SOIC28, and SO28 to DIP28 format
• 1.27mm pin pitch for compatibility with various ICs
• 28-pin socket for versatile use
• Suitable for testing and programming ICs

• 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

• Boost Adjustable: Converts input voltage from 4.5-32V to an adjustable output range of 5-55V.
• High Safety: Equipped with over-voltage protection for stable and reliable performance.
• Professional Materials: Built with industrial-grade materials for a long service life.
• Portable Size: Compact and easy to carry for various applications.

The PIC16F84A is a powerful and easy-to-program CMOS Flash/EEPROM-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, low power remote sensors, electronic locks, and security applications. This microcontroller is designed for both prototyping and production, with the ability to update the end application without removing the device via In-Circuit Serial Programming (ICSP).

• High-accuracy temperature measurement from -200°C to 1350°C.
• Compact and durable design for various applications.
• Compatible with K-type thermocouples.
• SPI communication interface for easy integration.

The AT89C2051 is a low-voltage, high-performance CMOS 8-bit microcontroller from Atmel, featuring 2KB of flash programmable and erasable read-only memory. This microcontroller is designed using high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. It provides a highly flexible and cost-effective solution for many embedded control applications.

• 3.5-inch TFT LCD display module with vibrant 18-bit color support.
• Compatible with Arduino Uno and other microcontroller boards.
• Integrated SD card slot for extended storage and project capabilities.
• High resolution of 320x480 pixels for clear visuals.

• 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

• 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

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

• Functions like the Arduino Mega 2560 with ATmega2560 (16MHz) for stable and reliable operation
• Uses CH340G chip for UART-USB conversion, ensuring stable data exchange at 12MHz
• Connects to the computer via micro USB cable, compatible with most Android smartphones

• Capacitive touch sensing with high sensitivity
• Easy to use with minimal external components required
• Small and compact design for easy integration
• Low power consumption for efficient operation

• Wide Operating Voltage: 2.4V to 5V DC for versatile power options.
• Frequency Range: 20Hz to 20kHz, covering the entire human hearing range.
• Adjustable Gain: Gain range from 25x to 125x for flexible amplification control.
• Rail-to-Rail Output: DC bias at VCC/2 for consistent output signal.