PCF8574 library. i2c digital expander for Arduino, Raspberry Pi Pico and rp2040 boards, esp32, SMT32 and ESP8266. Can read write digital values with only 2 wire. Very simple to use and encoder support ...
The Africa Program achieves its mission through in-depth research that offers practical solutions to key challenges in US-Africa relations. The Africa Program's flagship initiatives include the ...
How does ultrasonic mist maker work? While the Ultrasonic Humidifier Module is the prime focus of the project as it is the unit that produces the mist. We have previously used this ultrasonic ...
Because of the OTA update you need ESP01 with 1MB flash (ESP01S)! In this example I used a 5V usb light. This is my way, you can choose yours. If you don't know how does it work, please don't use it.
The smart home is gradually captivating worldwide and provides the best services to human life. It wipes traditional houses by turning them into smart homes; nowadays, numerous energy-efficient ...
Tasmota is a very clever open-source custom firmware that runs on any smart home device, which uses the ESP Wi-Fi chip. It provides local control of the smart devices through MQTT, HTTP, Serial, or ...