Archive for Electronic Projects

58 results.

Iot light switch with mains input

Jul14
by Evert on July 14, 2018
Posted In: Esp8266

IOT light switch with input for switch with mains. The idea is the same as the famous Sonoff wifi switch but this one has also an input for a 230V~ switch so you can still use your existing light switches. […] ↓ Read the rest of this entry…

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Esp-01 Programmer Mod

May24
by Evert on May 24, 2018
Posted In: Esp8266

For a small project of my there was needed a programmer for the Esp-01 wifi module to program the module. It’s not really a programmer, but more an usb to serial convertor. Simple search on Aliexpress gave a nice looking […] ↓ Read the rest of this entry…

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Iot SensorV2 with battery onboard

May05
by Evert on May 5, 2018
Posted In: Esp8266

Not a complete new design, but a redesign of my Iot Esp8266 sensor V2, the schematic is exact the same however this time with a on board 18650 3.7V Li-ion battery. The Iot sensor node will measure temperature, humidity, atmospheric […] ↓ Read the rest of this entry…

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IoT Esp8266 BME280 sensor

Mar11
by Evert on March 11, 2018
Posted In: Esp8266

Iot Esp8266 temperature, humidity, atmospheric pressure and light sensor. After the problems with my sensor based on the DHT22 time for a redesign, this time with the BME280 for measuring temperature, humidity and atmospheric pressure. The TSL2561 known from my […] ↓ Read the rest of this entry…

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EWelink touch hack

Feb05
by Evert on February 5, 2018
Posted In: Esp8266

This time a hack on the EWelink wifi touch switch. The EWelink touch switch is a similar product as the Sonoff touch, but I find the look a bit nicer. It’s more streamlined and is also available with black front. […] ↓ Read the rest of this entry…

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