New microcontroller board 2 yuan a piece great value need to buy

ylyfxzsx

New microcontroller board 2 yuan a piece great value need to buy [Copy link]

A friend's electronics factory went bankrupt. Here are brand new electrical panel PCBs, each packaged separately.

There are TM1621 display driver chip, CA724048 voice processing chip, NXP PCF8563T clock chip, and a TSSOP20 microcontroller with the model number worn off on the board.

The microcontroller is powered by 3.3V. Pin 8 is GND, pin 13 is VDD, pins 14 and 16 are programming pins, corresponding to the D and C pins on the 4PIN header, and pin 18 is the buzzer BP output pin. U5 seems to be a temperature sensor or a Hall element, with silkscreen GU07.

There are more than a thousand pieces, the price is the unit price, no information, brand new and unused, self-research, and the postage is 10 yuan nationwide for non-remote areas.

Taobao link:

[Xianyu] https://m.tb.cn/h.ftVDcy8?tk=BEAY29rKTHy "I posted [Microcontroller board PCF8563 clock chip] on Xianyu"
Click the link to open directly

云淡风轻12

Are there any pictures? Let’s take a look at the pictures. How good is it? Wait a minute. It’s worth seeing and buying.

se7ens

No information, can't play, please help me