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MQ series kit MQ-2~MQ-135 9 gas sensor modules MQ-2/3/4/5/6/7/8/9

MQ series kit MQ-2~MQ-135 9 gas sensor modules MQ-2/3/4/5/6/7/8/9

925 pieces of 36 resistance 10V470uF-63V470uF green direct insertion high-frequency aluminum electrolytic capacitor sample package

PD/QC/AFC fast charging decoy trigger supports 5V 9V 12V 15V 20V fixed voltage output

MP3 lossless decoding board with built-in amplifier, MP3 module, MP3 decoder, TF card, USB flash drive, decoding player

1-8S new 2-in-1 power display/BB low voltage/alarm/electronic display/dual function buzzer

375 blue and white adjustable resistors, 100ohm~1M, 15 types, each with 25 resistor combination kits

Bluetooth speaker parts, electronic DIY production and assembly kit, student teaching and training, welding practice, component package

Bluetooth speaker parts, electronic DIY production and assembly kit, student teaching and training, welding practice, component package

SMT Rotating Flow Light Kit SMT Component Welding Practice Board Skill Training Electronic DIY Training Production

2-channel relay module optocoupler isolation 3v5v12v24v optional PCL microcontroller control board

2-channel relay module optocoupler isolation 3v5v12v24v optional PCL microcontroller control board