The Artemis Watch 2.0, made by CircuitMess, is a $129 programmable smartwatch designed less as a gadget you wear and more as something you can digitally rebuild into your own creation.
How-To Geek on MSN
Why my next microcontroller will be an ESP32, not a Raspberry Pi Pico
The ESP32 does everything a Pi Pico does, but costs less and lasts 100x longer on batteries ...
XDA Developers on MSN
I stopped buying smart home gadgets and started building them for a fraction of the price
Build for monitoring, buy for safety.
##Summary Simple logic, fuczzy logic, and PID control program resides on the Arduino which also reports thermocouple data. The PC python GUI sends command of setpoint and on/off command to Arduino.
An LM555 timer paired with an NTC thermistor makes a simple, configurable ON/OFF thermostat for heating or cooling.
Abstract: The paper proposes an S-shaped fiber Surface Plasmon Resonance (SPR) sensor structure capable of simultaneously measuring refractive index (RI) and temperature for the first time. The ...
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