Products list direct from CN

Shenzhen Qinda Electronics Co., Ltd.

2 in 1 RS232 & TTL232 Interface Serial Port Relay UART Switch PC USB MCU for Smart Home Garage Door Car Alarm Farm Motor

$3.43-3.71

Min. order 10 pieces

DR42A01 DC 12V Multifunctional DPDT Relay Board Delay Relay Time Switch Turn On/off PLC Module

$4.30-4.64

Min. order 10 pieces

DD0512MA 6W Ultra-small & Ultra-thin DC-DC Step-up Converter 2.6-6V to 3.7V 5V 12V Boost Voltage Regulator Module

$1.03-1.11

Min. order 30 pieces

With Enable ON/OFF DC-DC 3V 3.3V 3.7V 4.2V 5V to 5V 6V 9V 12V Step-up Boost Converter Voltage Regulate Power Supply Module Board

$1.20-1.30

Min. order 30 pieces