1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module for Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official Boards Shield (10PCS): Amazon.com: Industrial
ci SN 74121 N SN74121N Monostable Multivibrator & Schmitt Trigger Input(pla033) | eBay
Viessmann monostabiles Relais
Relè monostabile modulare per montaggio diretto su barra 35 mm (EN 60715) Tipo 222382304000 - Serie 22 Finder : Amazon.it: Fai da te