Electronic lock 4 digits code. Digits are stored in the EEPROM. To change code press pushbutton once and enter 4 digits. The relay operates for 2 seconds to unlock. B4R code uses rEEPROM lib and rWIRE lib.
The keypad is matrix 3x4, the Oled is 0.96", 128x64, SSD1306 driver, I2C. The code lock...
First, i spend a lot of time in creating views, some views i need by my self, but some views not and to create a high quality view cost a lot of time. If you want to support me, then you can do it here by Paypal. :)
This Class is optimized for B4A and B4I, but not for B4J.
This is the First...
I'm writing an app that allows several computers to add new orders to the database. To avoid any conflicts, I want to make sure that when one system is adding a new list of orders, no others can interrupt and will have to wait for the first one to finish up. I understand that the most...
This library create alpha view black that blocks all content from an activity.
Alpha As Int
Elevation As Int
CreateLayout (Left As Int, Top As Int, Width As Int, Height As Int) As Panel...