We found this circuit in an old Mullard (Philips) documentation on the 555 and 556 integrated circuit (double 555). The relay must be 12 V with contacts that support the horn current.
Analog Devices AD7768 24-bit sigma-delta (Σ-Δ) ADCs include an Σ-Δ modulator and digital filter...
Found in a 1966 General Electric manual, this circuit provides a delay in starting. The motor is...
Found in a 300 Circuits from the 90s, this circuit can deliver a maximum current of 50 mA. The...