Day: April 3, 2019

Kyey pad references

AliExpress TTP223 Touch Key Switch Module Touch Button Capacitive Switches Self-Locking/No-Locking Capacitive Touch Switches – US$1.48/lot (10Pcs) AliEXpress XD21 6x6MM keypad keyboard Touch the switch module board 6*6mm – US$0.22 […]

Relay Problem

Relay status led’s are blinking but the relay coil is not activating Ask Question 1 1 Devices I am using are: 1) Songle 2 channel relay module – 2) Breadboard power supply […]