They're reference designs for a reason.

Here's the new description with all links and additional text removed: Order your pcb design at JLCPCB: $2 for 10pcs PCBs (24 hours turnaround time) up to $20 shipping discount on first order (PCB ...

Sometimes you have this project idea in your mind that seems so simple and straightforward, and which feels just so right ...

or located under the following github pages github.io. Additionally in combination with the technical datasheet of microchip PCF8574-Datasheet. PCF8574_I2C::PCF8574 pcf{0x20, &Wire}; void setup() { ...

The TMP117 is a high precision temperature Sensor with accuracy of up to +/-0.1 degrees celsius and an operating temperature range of -55°C to +150°C. It is NIST traceable and verified with equipment ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...