Industrial Automation Home › Forum › Industrial Automation This forum has 8 topics, and was last updated 3 days, 20 hours ago by 惠源. Viewing 8 topics - 1 through 8 (of 8 total) Topic Voices Posts Last Post What is a PLC? Try one for free Started by: 惠源 0 1 3 days, 20 hours ago 惠源 RS-485 wiring, step by step Started by: 惠源 0 1 3 days, 20 hours ago 惠源 Why does my manual say 40001 when the tool wants 0? Started by: 惠源 0 1 3 days, 20 hours ago 惠源 What is Modbus? A plain-English intro Started by: 惠源 0 1 3 days, 20 hours ago 惠源 Safety first: mains voltage, relays and contactors Started by: 惠源 0 1 3 days, 20 hours ago 惠源 Relay, contactor, ESP32: who does what? Started by: 惠源 0 1 3 days, 20 hours ago 惠源 What is a relay? Using one with an ESP32, step by step Started by: 惠源 0 1 3 days, 20 hours ago 惠源 Electricians: start tinkering at low voltage Started by: 惠源 0 1 3 days, 20 hours ago 惠源 Viewing 8 topics - 1 through 8 (of 8 total) You must be logged in to create new topics. Log In Username: Password: Keep me signed in Log In