ESP-01 is a tiny and useful piece of hardware. It has a 32-bit MCU, 2.4GHz 802.11 b/g/n WiFi, 1MB flash memory, and several other useful embedded features. Such ...

ESP8266 based board (ESP-01) and relay board (ESP-01S v1.0) setup to control a large 7.5HP agricultural well pump. The relay board has been modified to use GPIO3, instead of GPIO0 (default), to ...

Esp8266 project to control 4 relays in Normally Open mode. Pay attention while handling main voltage items. Don't plug main voltage items while your esp is connected to your PC. Be sure to not touch ...

“M5Stamp PLC Controller with M5StampS3” or just “M5Stack StamPLC” is a programmable logic controller (PLC) based on the StampS3A ESP32-S3 wireless module and offering 8 opto-isolated digital inputs, 4 ...

The ESP-01 launched the ESP8266 revolution back in 2014, and while today you’re far more likely to see somebody use a later version of the chip in a Wemos or NodeMCU development board, there are still ...

We have received the Seeed Studio 2-Channel Wi-Fi AC Relay for review. It is an IoT/Smart Home device featuring a 2-channel relay (wet contact) that operates over a WiFi network, and provides an ...