WiFi PIR Sensor

What IoT (“internet of things”) setup would be complete without the wireless PIR (passive infrared) motion sensor? And anyway, at this pace of ESP8266 projects, soon everything in my house will have an IP address. This sensor is the next in a series, intended to fulfill a purpose, provide a general template for device-to-internet communication, and aid in me figuring …

Appearances can be deceiving - this alarm clock has an IP address.

Adding WiFi to an alarm clock for the hearing impaired

Introduction: The ClearSounds SW200 (motto: “shakeup to wakeup”) is an $80 alarm clock designed for those of us with hearing loss. It has hearing impairment-friendly features such as the ability to flash lights, an adjustable-frequency tone, and a bed shaker. I’ve found the bed shaker is really effective – even when I had perfect hearing, the loudest screeching alarm sometimes …

The finished product

ESP8266 Arduino SMTP Server part 2

This is a continuation of the first miserable attempt at having an ESP8266 receive a signal from a DVR. Click here for part 1. This is continued in part 3. Goal: Have a CK-PA9604 H.264 CCTV DVR send a signal on motion detected, to an arduino-programmed ESP8266 Wifi SMTPĀ server, to sound a chime in a separate location. Background: This specific …

ESP8266 Arduino SMTP Server

Note: This is the first in a three-part series. Click here for part 2. I wanted a way to have a DVR (camera system) to trigger an ESP8266 to toggle a pin (for a chime, etc). This specific model of DVR only allows sending mail and sounding a buzzer for motion detected events. One option would be to put a …