D2-8 Intelligent Tracking Line Smart Car DIY Kits, Fun STEM Kits for School Students Electronic Soldering Learning Practice Kits
It is a D2-8 Intelligent Tracking Line Smart Car Soldering Electronic Parts Practice Soldering Learning Electronics Kit.
Please note: Batteries appeared in picture are not included. PCB color was differe...
DIY Negative Feedback Amplifier Circuit Kit with Capacitor-Coupled Analogue Electronic Technology Training Parts
1>.The negative feedback amplification circuit kit has good stability, which can effectively suppress distortion and noise, and improve sound quality.
2>.The RC coupled analog electronic technology ...