WiFi smoke detector
https://www.electronics-lab.com/wifi-smoke-detector/
by Proto G @ instructables.com: This is a simple WiFI Smoke Detector that texts me when it senses smoke. I made this for my battery storage area in case of a lithium polymer fire. I still have all of my regular smoke detectors installed and I don’t suggest relying only on this, but rather as […]
ESP8266 MQTT battery monitor project
https://www.electronics-lab.com/esp8266-mqtt-battery-monitor-project/
Steve’s latest project, a wireless MQTT battery monitor: This board uses an ESP8266 (ESP12), a Texas Instruments INA226 I2C voltage and current monitor, and a Texas Instruments LMR12010X buck converter. This board is designed to wirelessly monitor 12 volt batteries and power supplies using an external current shunt resistor. The voltage across the shunt resistor […]
Even a small figurine can play a big performance
https://www.electronics-lab.com/even-a-small-figurine-can-play-a-big-performance/
New aerial from 2J will surely not surprise you by its size, however features of the antenna are worth noticing. 2JW035 antenna measures only 52,5mm and is intended for WiFi and Bluetooth devices in 2.4 a 5GHz bands. The gain is 5dBi and the VSWR value is below 2.6:1. A big advantage of this antenna […]