- SS41F through hole magnetic sensors with EC-Mart 41F board effect
- EC Mart Microcontroller ATmega IC 8-bit 20 MHz 32 KB FLASH 28-PDIP ATMEGA328P-PU
- High Quality KL5TW1111 IC Liquid crystal chip QFP KL5TW1111-W1
- High Quality MOSFET 500V25A TO-3P FSW25N50A
- High Quality 3266 TRIMMER 10K OHM 0.25W PC PIN TOP 3266W-1-103
- Original brand High Quality Integrated active buzzer 3V/5V/12V 12*9.5 TMB12A05
- ECMart new HLK-5M12 AC-DC small power module HLK-5M05