4G遠(yuǎn)程控制設(shè)計(jì)開(kāi)發(fā)
預(yù)算:¥10000氣體、粉塵等傳感器項(xiàng)目硬件開(kāi)發(fā)
預(yù)算:¥50000赫斯曼條形壓力變送器RS485輸出電路板開(kāi)發(fā)
預(yù)算:¥10000AVR數(shù)碼管項(xiàng)目改成STM32和OLED屏顯示
預(yù)算:¥50004-20mA電流環(huán)2線(xiàn)制 3線(xiàn)制兼容電路開(kāi)發(fā)
預(yù)算:¥5000