Cleaning Sponge for Electric Soldering Iron (10pcs per set) arduino board *This pH probe is a

*This pH probe is a laboratory electrode

The development board is based on the WiFi-SoC ESP8266EX and is made for fast Internet-of-Things (IoT) prototyping

Pairs of LEDs are arranged in series to halve current consumption

Pin Count: 16

1x Step-up Boost Power Supply DC 1

Cleaning Sponge for Electric Soldering Iron (10pcs per set) arduino board *This pH probe is aCleaning Sponge keeps the soldering iron clean and free from impurities at all times, making the solder joints brighter and firmer for a long time. The oxide on the surface of the soldering iron tip can be quickly cleaned to keep the soldering iron tip clean. Help on the can and antioxidant. made of high quality sponge, environmentally friendly and sulphur free. It is easy to use, moisten it slightly before use, and allow the sponge to expand to full