This is MCP2515 CAN Module TJA1050 Receiver SPI 51 Single Chip Program Routine Arduino with this module, you will find easy to control any CAN Bus device by SPI interface with your MCU, such as Arduino UNO and Compatible with Arduino based micro-controller projects.

This is the PL2303 USB UART converter Board. This is a great little tool for embedded systems that require a serial connection to a computer. The board can simply attach to a USB-C bus and will appear as a standard COM port.

SOP8 IC Programmer Test Clip with Welding Wire is perfect for reading or writing EEPROMs. This clip allows for in-circuit programming of SOP8 chips.

HEXIN RS232 to RS485 serial port Data interface adapter Converter . It has electronic Interface At the side of RS-232 is a DB9 female(hole-type) connector and  at the side of RS-485 is a DB9 male (needle-type) connector  with connection board. It has Transmission Speed of 300-115200 bps.Common wire, doule wire, UTP or Shielding Line are used as a transmission Media.

Win8,win7,winxp,win2k,wince,linux,mac,system, 32-bit, 64-bit system, driver support.

You can supply it with single-cell LiPO or an AA size batter or others. Two AA batteries can output a current of 500 ~ 600MA, a single AA battery power supply can output 200ma current supply, great for mobile phones camera, single-chip, digital products supply.

Type-C USB 5V 1A Step-Up Boost Converter Power Bank Charging Module with Charging Protection is a great Step-up Module with 5V input, and output 5V for many digital devices, so this is really a great module for designing a portable charger.

This is a buck module that is used to charge a phone via a USB port. The module supports Quick Charge 3.0 and accepts input from 12V to 24VDC. The module is based on the IC IP6505, which is a step-down converter with an integrated synchronous switch.