Intelligent module (diy) | 1,237 products

Digital Frequency meter electronic production DIY kit teaching experiment welding assembly practice circuit board TJ-56-275

LM358 sawtooth wave generator circuit electronic production DIY kit welding practice circuit board TJ-56-345

Water tank water level control circuit 403 counterpart single recruitment technical test simulation electronic production welding kit TJ-56-287

Music colorful alarm clock spare parts single chip microcomputer four-digit digital clock electronic production DIY welding kit TJ-56-277

Jiangsu secondary vocational school students' academic level examination test kit skill welding practice circuit board TJ-56-293

Jiangsu secondary vocational school students' academic level examination kit learning test skills welding practice circuit board TJ-56-294

Jiangsu secondary vocational school students' academic level examination DIY kit skill two welding practice circuit board TJ-56-292

12 LED circulating lights DIY electronic kit teaching and training running light interesting welding parts TJ-56-1

Analog sound circuit electronic production DIY kit multi-harmonic oscillation high and low frequency music signal TJ-56-14

WL2066B type wireless doorbell electronic production DIY kit teaching equipment music doorbell parts WK-56-67

TDA2822 dual channel BTL amplifier board electronic production DIY kit welding practice circuit board TJ-56-169

2015 Jiangsu province counterpart single recruitment electronic skill examination kit training welding circuit board TJ-56-197

CD4017 water light patch component welding practice board kit electronic skill training circuit TJ-56-380

Two-digit decimal counter 2-digit counter spare parts project teaching electronic training kit TJ-56-220

Water level control circuit kit liquid level skill competition electronic assembly and adjustment and application production parts JS-56-204

RC oscillation circuit kit 2018 Jiangsu counterpart single recruit electronic skills training welding practice TJ-56-341

Circulating light circuit DIY electronic kit Guangzhou skill assessment LED adjustable speed ring running water light TJ-56-57

Transistor series type regulated voltage LM317 adjustable DC regulated power supply DIY electronic kit TJ-56-87

Pyroelectric infrared sensor anti-theft circuit craft training DIY electronic production training kit TJ-56-174

Thermistor temperature alarm kit teaching experiment welding practice electronic production DIY TJ-56-372

Positive and negative 5v 12V four-way output DC regulated power supply DIY electronic kit welding circuit board TJ-56-97

5V-12V boost circuit electronic production DIY kit 5v L 12v welding practice circuit board TJ-56-253

NE555 +4017 rotating running light welding kit patch electronic components DIY production parts TJ-56-337

OCL power amplifier circuit kit 404 counterpart single trick simulation welding circuit board production DIY parts TJ-56-370

Second counter project-based teaching second signal generation circuit electronic DIY parts TJ-56-206

Electronic hourglass kit circuit board fun making single chip microcomputer LED light DIY assembly parts TJ-56-205

Power Amplification Circuit Kit Speaker with Front End DIY Digital Assembly Welding Practice Training Tj-56-167

Light Control Music doorbell kit electronic DIY production parts electronic electrician training welding practice TJ-56-305

LED dot matrix clock patch 51 single chip microcomputer with temperature light control digital clock making welding kit TJ-56-240

Single Chip chip SMD running light DIY electronic kit heart-shaped light LED flashing light welding parts TJ-56-384

Three-State door four-person answering machine kit 4-person answering digital circuit electronic DIY welding parts TJ-56-306

High sensitivity infrared detection module competition kit electronic circuit installation and application welding JS-56-159

High sensitivity fire alarm circuit module kit electronic circuit installation and adjustment and application skills JS-56-163

555 trigger circuit making parts electronic skill assessment 2015 Hebei Higher vocational single recruitment TJ-56-237

501 counterpart single recruitment electronic skills college entrance examination kit waveform generation circuit welding DIY parts TJ-56-407

Three groups of 9 LED running light cycle horse running light electronic DIY welding kit making spare parts TJ-56-231

Zhejiang 2019 counterpart single recruitment kit waveform conversion circuit parts electronic skills college entrance examination TJ-56-410

Wireless coding remote control doorbell welding kit HE0036 type electronic DIY production assembly parts WK-56-64

Car anti-collision safety driving system kit anti-rear collision prohibition drunk driving 2019 competition kit JS-56-209

210 counterpart single recruitment examination welding kit 555+358+74LS90 DIY production parts TJ-56-392