555 five-purpose three-state audio logic pen circuit

Probe high frequency needle JTK-50L-Q has 5 needles in the high frequency needle

Industrial Router Crystal 3.2*2.5mm 3225 26M (26.000MHZ) 12PF 10PPM 20PPM 30PPM

Shunluo high frequency inductor, parallel stack inductor, shun winding inductor, authorized agent

Factory direct sales - SMD aluminum electrolytic capacitor - straight plug solid capacitors, the products are imported from Japan, aluminum foil,