3.5MHz-30MHz 100W 12V HF Low Pass Filter LPF DIY Set for Shortwave Radios Parts | eBay
Naučná stavebnice pro elektroniky Franzis 65272, od 14 let | DNA Elektro
Seva 6 Elektro | MALL.CZ
4 Bits DIY Digital Clock 1 Inch Electronic Kit Suite Microcontroller RED Tube LED Display Time Thermometer Alarm MCU STC15F204EA|Integrated Circuits| - AliExpress
Stavebnice zesilovače 100W s TDA 7294 mono Hi-Fi zesilovač ve třídě AB