0.91" OLED Display Module with RegulatorThis 0. 91" monochrome OLED is basically a 128x32 dot matrix display module with an I2C interface. It's ideal for Applications that require a very small display. When compared to LCD panels, OLED displays offer a variety of benefits, including high brightness, self emission, high contrast ratio, slim outline, broad viewing angle, wide temperature range, and low power usage. Specification Resolution 128 x 32 Visual Angle >160 Input Voltage 3. 3V ~ 6V

Wide range of chip 15000+ support

6 general-purpose I/O lines

This cable is compatible with all IDC connectors that are frequently available

The SIM800L is a GSM module from Simcom that gives any microcontroller GSM functionality

an error amplifier

and interlocking(adjustable)

TPA3116D2 XH-M542 Single Channel Digital Power Amplifier Board is a newly designed digital audio amplifier board with fine quality that is practical to install and use also has good performance

Memory Size 2K bits Operating Temperature -55°C to +125°C

Temperature: 30°C ~ +70°C

the MOV's resistance is extremely high

It's a Potentiometer Knob Yellow color

5nf 50v of 0805 package SMD type capacitor