, INPUT_PULLUP); attachInterrupt(Pin(GPIO_PCF8574_INT), PcfInputIsr, CHANGE); } } } void Pcf8574Powervoid) { power_t rpower =XdrvMailbox.index >> Pcf8574.relayoffset; for (uint32_t index = 0; index < Pcf8574relay_max; index++) { _t state = rpower &1; if...
Typical applications: for I / O resources were scarce MCU I / O expansion The main resource: PCF8574, I2C interfaces, eight parallel Sorry, this item is no longer available! Sold by SISJQRR Relay digital Store(Trader) Ship to Vietnam ...