915 Generation 40P Lock 51 Mcu Minimum System Board Ultra-Small Development

High quality: new high quality.
High-quality materials: Made of high-quality materials, safe and durable, high temperature resistance.
Low power consumption: easy to control, more stable, and high efficiency.
Easy to install: small size, more stable performance and simpler installation.
Wide use: It can be used in product core and development and learning, which can shorten the product development and is suitable for course design and electronic design competition. Compatible with AT, STC MCU series at the same time
MCU 40 io pinout
With -locking switch, it is convenient to switch the power supply
With LED power indicator
3.5mm x 1.3mm external power supply
The pin header leads to 3 VCC and GND, which can input or output power
Pull-up resistor p0 has been pulled up
With rc and reset circuit
Support isp download and serial download Integrated ISP 10p download interface, convenient for at89s52 MCU download.
The bottom of the crystal is a round socket, which is convenient to replace the crystal
Support two power input methods: DC power socket (the bracket supports 3.5mm x 1.3mm) and single row of pins ( to the power switch)
With programmable LED, can do LED experiment
40P locking , easy to replace the single-chip microcomputer chip, batch processing, eliminating the problem of welding
Colour:green
Material:abs+metal
Size: 90 x 40 x 18mm Package Contents:
5 x 51 Mcu Board Only the above package content, other are not included.
Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.