DS18B20 Temperature Sensor
$20
$50
HOSIDEN HLM8619
$55
$100
DHI-NVR4232-4KS2
$275
$305
Hikvision DS-2CD1141-I
$79
$85
Futaba 13-ST-84GINK VFD Module
Length, width and height: 110*20*6mm,
2pin filament power supply pin,
13pin drive voltage or IO pin,
9pin empty pin, a total of 24pin pins.