ULN2803ADWRG4 by Texas Instruments is a peripheral driver with 8 functions, open-collector output, and built-in transient protection. It operates b/w -40 to 85 °C with a max supply voltage of 3 V. Ideal for applications requiring sink current flow direction in a small outline package style.
STM32F405RGT6 by STMicroelectronics is a 32-bit microcontroller with 2/3.3V power supplies, 16 external interrupts, and 196608 RAM bytes. Ideal for industrial applications, it features CAN(2), I2C(3), SPI(3) connectivity options and operates at a max clock frequency of 26 MHz. With low power mode and DMA support, it offers versatile performance in compact dimensions.
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Drain-Source On Resistance: 7.5 ohm; Maximum Drain Current (Abs) (ID): .115 A;
NE555DR by Texas Instruments is an Analog Waveform Generation IC with 8 terminals, operating voltage of 5V, and power supplies ranging from 5-15V. It is a versatile component for pulse generation applications due to its small outline package and commercial temperature grade suitability.