Jan-Åge Johansen

Jan-Åge Johansen

Jan-Åge Johansen
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The DS3231 is a highly accurate, widely used Real Time Clock (RTC), as are its slightly less accurate counterparts, DS3107 and DS1337. Before it can be useful,...

The DS3231 is a highly accurate, widely used Real Time Clock (RTC), as are its slightly less accurate counterparts, DS3107 and DS1337. Before it can be useful,...

Arduino and MCP23017 example

Arduino and MCP23017 example

Arduino - Dual Function Button - Long Press/Short Press (Without Delay) + Bonus

Arduino - Dual Function Button - Long Press/Short Press (Without Delay) + Bonus

Water Tank Levels by WiFi on Your Phone: 9 Steps (with Pictures)

Water Tank Levels by WiFi on Your Phone: 9 Steps (with Pictures)

Need to monitor the fluid level in a large diameter well, a tank, or an open container? This guide will show you how to make a sonar non-contact fluid level meter...

Need to monitor the fluid level in a large diameter well, a tank, or an open container? This guide will show you how to make a sonar non-contact fluid level meter...

Use Arduino with TIP120 transistor to control motors and high power devices

Use Arduino With Transistor to Control Motors and High Power Devices

Boilerplate and tutorial for reprogramming the Sonoff WiFi wireless mains switch using Arduino IDE. Feature include OTA and control with HTTP, MQTT, Blynk

Boilerplate and tutorial for reprogramming the Sonoff WiFi wireless mains switch using Arduino IDE. Feature include OTA and control with HTTP, MQTT, Blynk