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) https://fr.aliexpress.com/item/10Pcs-TTP223-Touch-Key-Switch-Module-Touch-Button-Capacitive-Switches-Self-Locking-No-Locking-Capacitive-Touch/32890385296.html?spm=a2g0w.10010108.1000016.1.97e9234cXIG3Fn&isOrigTitle=true AliEXpress XD21 6x6MM keypad keyboard Touch the switch module board 6*6mm – US$0.22 https://fr.aliexpress.com/item/XD21-6x6MM-keypad-keyboard-Touch-the-switch-module-board/32805745580.html?spm=a2g0w.10010108.1000016.1.d40736c4iCb8Hc&isOrigTitle=true […]

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 – https://www.electronicscomp.com/2-channel-5v-relay-module-with-optocoupler?gclid=CjwKCAjwvuzkBRAhEiwA9E3FUnbadf71q6h2pX_VsmrUK6x0c9dHQm9aZ0EjEIRIoKsbmvFoRhY96xoCbcUQAvD_BwE 2) Breadboard power supply […]