The DS1669 Dallas™ is a single digital rheostat or potentiometer with access to all three potentiometer terminals. The potentiometer has 64 wiper positions with equal or linear resistive step sizes.
The DMG2302U-7 is 20V 4.2A 800 mW SOT23 Package. This N channel MOSFET transistor operates in enhancement mode. This MOSFET transistor has an operating temperature range of -55 °C to 150 °C.
The 2SK2850, 2SK-2850, K2850, 2850 Is a 6A 900V 125W N-Channel MOSFET Or Field Effect Transistor TO-3P Package 3 Pin Leads, Product Manufactured by Company Fuji Electric Corp.
The SI4450DY, SI4450, SI-4450,4 450 is a 60V 7.5A 2.5W This N-Channel MOSFET is produced using Fairchild Semiconductor's advanced Power Trench process that has been especially tailored to minimize on-state resistance & yet maintain superior switching
The Micro SD TF Card Module is SPI interface via file system driver, microcontroller system to complete the MicroSD card reading and writing functions.
The 2SC458 is a 30V 100mA NPN (BJT) manufactured in a plastic TO92 case. When looking at the flat side with the leads pointed downward, the three leads emerging from the transistor are from left to right the emitter, collector, and base leads.
The D81C55HC-2 is a 2k-bit static RAM (256 bytes) with parallel I/O ports and a timer. It uses silicon gate CMOS technology and consumes a standby current of 100 micro ampere, maximum, while the chip is not selected.
The infrared decoding and encoding module which leads out the serial port of MCU to connect other devices that need infrared control, and can be used as infrared wireless data communication and data transmission