Arduino UNO - The Uno is a microcontroller board based on the ATmega328P. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz quartz crystal, a USB ...

The electronic module was originally designed as a staircase lighting switch. The module transforms the analog output from the FSR type pressure sensors into a two-state output with using of a relay.

The Automatic Battery Charger circuit presented here can automatically charge a 12V, 7Ah battery, or above. Special features of the charger are as follows. It automatically controls the charging ...