FainWan 5pcs DC 5V 1 Channel Relay Module Interface Board Shield Low Level Trigger for SCM Household Appliance Control auspowers_batchtwo and its control accuracy is

and its control accuracy is 0

Combo includes a 12" plastic test jar and a hydrometer with specific gravity range of 0

Note: The stand in the picture is not included

BEAUTIFUL DECORATION-- When gathering together with friends or enjoy a warm family dinner

FainWan 5pcs DC 5V 1 Channel Relay Module Interface Board Shield Low Level Trigger for SCM Household Appliance Control auspowers_batchtwo and its control accuracy isFainWan 5pcs DC 5V 1 Channel Relay Module Interface Board Shield Low Level Trigger for SCM Household Appliance Control Features: 1 This module conforms to the safety standard, the control area and the load area have isolation slot; 2 With power and relay instructions, pull in light, disconnect not bright; 3 When the signal input signal, the common end and the beginning will be open; 4 Can be used as MCU development board module, can be used as home