51 Locking Seat System Board STC89C52 AT89S52 40P locking Seat module Microcontroller Programmer

I0 port all out, 51 MCU system board, save the trouble of welding

Integrated ISP10P download interface, easy to download AT89S52 MCU

Welded socket is round hole, easy to replace the crystal oscillator (default with 11.0592M)

Support chips: STC89C52STC12C5A60S2STC11/10 x series

AT89S52 and chips compatible with the said chip pins

A power switch for easy experimentation

Two power input modes are available: DC-005 Power socket (Matching seat is

5.5*2.1) and single row pins (next to power switch)

Three VCC and GND cables are expanded, as shown in the middle row of the figure

PO port with pull resistance

Reset mode: Reset by power-on and reset by pressing external buttons

Green IC lock base, easy to replace the chip

Board size: 4.1cm*8.9cm