47 Ohm - 2W Carbon Flim Resistor

8 ohm 0.5w 2 inch speaker

74HC595 SMD Integrator

arduino nano CH340G V3.0 R3 Board

On the latest clones of Arduino models, The CH340 usb - serial converter chip has been used instead of Atmega 16u2 of the FTDI chip.  

CD4027 IC

MCU Infrared Remote Control Module Receiver Head HX1838 NEC Coding IR Remote Control Sensor Module  

200 ohm resistor

Tiny RTC I2C Module DS1307 Clock 24C32 Memory

2.54 horn side to Female 3Pin DuPont line 20cm

3.3K Ohm - 1/4W Carbon Flim Resistor

keyestudio GY-906 MLX90614 Non-contact IR Temperature Measurement Sensor

AC S712 Current Sensor Module 30A