Tools & Home Improvement From Dingdong Store on Amazon

Please check the packing list before soldering, if there are any omissions, please contact us.

Please refer to the soldering instructions attached to the package. If not included, please contact us for electronic soldering instructions.

[DS18B20 sensor] This temperature measurement soldering kits use temperature sensor DS18B20 to measure temperature.

[Wide measurement range and High accuracy] The soldering kits have a wide measurement range and high accuracy. Its temperature range is 0-99 ℃ (32℉-210℉), and its accuracy is 0.1 ℃ (0.18℉). Note: It can only display °C.

Reminder Before Soldering: This product is a soldering practice kit, and it need soldered by yourself. Please check all the components according the packing list before soldering.

The Clock Comes with English Instruction: If you have any questions about the product or need soldering steps instruction with picture, please feel free to contact us.

The main controller of this module is STC89C51/52 micro controller

The digital tube displays the measured distance, and the triode drives the digital tube

1.Hourglass timer LED flashing lights DIY soldering assemble kits, which simulates the sand-glass movement. The light-spot like "sand" will fall grain by grain, and the speed of falling is free to change by yourself. It is not only a PCB board for practicing welding skills but also a decorative gift for you.

2.Comes with English user manual and online PDF file, which will guide you how to finish step by step, perfect for school basic electronics experiment projects.

【Memory Training Game Toy】: Start the game, the LEDs will light up in sequence; the player needs to press the buttons in the order in which the LEDs light up; if you are completely correct, congratulations, you can enter the next level. The higher the level, the more LED light up, and the more difficult the game is. Up to 99 LEDs can be flashed in one time of play, challenge it, you will train to achieve super memory.

【With English Installation Instruction】: Please check the components refer to the product list before installation. The components are small, please keep it out of the reach of children. Please test the LEDs before installation. Please read the English installation instruction before installation.

【Electronic Digital Clock Kit】: This is a clock with transparent case and power cable. Optional Functions: Precise temperature measurement, precise time measurement, power-off memory, alarm setting (can be turned off), and light control (can be turned off).

【With English Installation Instruction】: Please check the components refer to the product list before installation. The components are small, please keep it out of the reach of children. Please test the LEDs before installation. Please read the English installation instruction before installation.