What is the point of reviewing a cheap timer module, especially if it is based on the ubiquitous 555 timer chip? Recently I got an ‘updated’ version of the common 555 timer relay module. This time it ...
What is MQTT Relay Module Timer? This is a simple program that responds to MQTT requests by adding more seconds to a countdown timer. In its concept, it's just replacing a mechanical countdown timer ...
The 859 Series DIN-rail timer relay module offers on-/off-delay timer modes and multiple time ranges for applications such as switch and package de-bounce sensors. The 859 Series DIN-rail timer relay ...
WAGO Compact, User-Configurable 859 Series offers on/off-Delay timer modes and multiple time ranges. WAGO Corporation introduced its 859 Series of Timer Relay Module that offer on-/off-delay timer ...
Motion sensor circuits are there on the Internet for quite a while now. These circuits are mainly used to drive AC load (like lights, fans) in home automation or IoT projects. It is also very common ...
WAGO 859 Series DIN-rail timer relay module provides On-/Off-delay timer modes and multiple time ranges for diverse applications such as switch and package “de-bounce” sensors. The 6mm device carries ...
September 29, 2011 – Wago announces 859 Series DIN-rail Timer Relay Module. It offers On-/Off-Delay timer modes and multiple time ranges for diverse applications such as switch and package “de-bounce” ...
WAGO Corporation's 859 Series DIN-rail Timer Relay Module offers On-/Off-Delay timer modes and multiple time ranges for diverse applications such as switch and package "de-bounce" sensors. Unlike ...
a modified transformer with output capability more than 700 watts in power. low voltage output side should be 4-5 volts and have thick wire coil windings up to 16mm2 copper conductor cross sectional ...
EDN

Feeder Relay Module

After getting an automatic fish feeder at a discount sale (see below) I started thinking about making a simple feeder relay module using available parts. The intention was to make a universal feeder ...