arduino uno r3上传报错，换一块没问题

逐日

arduino uno r3上次报错。
我插着一块拓展板，板上插着两个MG995舵机。一开始还可以。后来老是要拔插usb线才能上传。
最后就不行了。
上传时候板上TX微弱的闪几下，RX灯无反应。

（其他都不变，换一块板子没有问题）
#define led 13
void setup(){
    pinMode(led,OUTPUT);
}

void loop(){
    digitalWrite(led,1);
    delay(1000);
    digitalWrite(led,0);
    delay(1000);
}

项目使用了 924 字节，占用了 (2%) 程序存储空间。最大为 32256 字节。
全局变量使用了9字节，(0%)的动态内存，余留2039字节局部变量。最大为2048字节。
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0xae
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0xae
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0xae
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0xae
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0xae
Problem uploading to board.  See https://support.arduino.cc/hc/en-us/sections/360003198300 for suggestions.
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0xae
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0xae
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0xae
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0xae
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0xae

sangshu

bootloader的问题吗

XlinliY.Zhang

看起来像BL的问题

逐日

sangshu 发表于 2022-5-25 16:25
bootloader的问题吗

刚刚试了烧录引导程序，也是报avrdude: stk500_recv(): programmer is not responding。

逐日

XlinliY.Zhang 发表于 2022-5-25 16:31
看起来像BL的问题

今天试了烧录bl，提示DEVICE SIGNATURE = 0x757575错误