LDR · Light Dependent Resistor · Raspberry PI

Interfacing a Electricity Meter with LDR and LM393

EDF installed a Actaris “A14C5 ST” Electricity meter at our home. Unfortunately it is a “ST” version which has no “teleinfo” interface. “ST” seems to mean “Sans Teleinfo”. However there is a pulsing yellow LED on the Actaris meter. The pulses are approximately 15ms long. For each Wh electricity consumption one pulse is emitted. First… Continue reading Interfacing a Electricity Meter with LDR and LM393

Raspberry PI

Raspberry Pi: KMTronic One Relay vs. Phidgets Interface Kit

the comparison between the two relay boards may be a bit unfair, because the Phidgets offering is a series of sensors, motors, relays, displays and other stuff which are all handled by the same sophisticated driver library, whereas the KMTronic relay is just a relay operated via a USB connection and a virtual COM port. Phidgets devices… Continue reading Raspberry Pi: KMTronic One Relay vs. Phidgets Interface Kit