40 Pin 51 MCU Microcontroller Development Board


  • At the same time compatible with AT, STC series MCU
  • Single chip microcomputer 40 IO pinout
  • With self-locking switch, it is convenient to switch the power on and off
  • With power indicator LED
  • 3.5mm*1.3mm external power supply
  • The pin header leads out 3 way VCC and GND, can input or output power
  • Pull-up resistor P0 has been pulled up
  • With RC and manual reset circuit
  • Support ISP download and serial download program
  • Integrated ISP 10P download interface, easy to download AT89S52 microcontroller.
  • Below the crystal oscillator is a round hole socket, easy to replace the crystal
  • Supports two types of power input methods: DC power socket (supporting carrier is 3.5mm*1.3mm) and single-row pin (next to power switch)
  • With a programmable LED, can do LED experiments
  • 40P locking seat, easy to replace the SCM chip, batch processing, eliminating the need for hands-on welding trouble


  • Material: PUC sheet
  •  Size: 90*40*18mm/3.54*1.57*0.71”

Package Included:

1 pc x 40 Pin 51 MCU Microcontroller Development Board

10 in stock