Tech Explorations Help Desk

FAQ 3

• How to reset your school password
• How to create an account on the Tech Explorations school?
• How to ask for a refund

Getting Started 1

• Where is the source code for Tech Explorations courses?

Frequently asked questions 14

• Error: “Cant get reading from DHT” on LCD display
• In the I2C protocol, are there any reserved addresses?
• What is the "F" in Serial.println(F("BME280 test"))?
• I2C LCD with the LiquidCrystal_I2C library isn't working as expected
• What is the difference between analogRead(0) and analogRead(A0)?

View all 14

Arduino SBS Getting Serious 3

• Where can I find the course resources?
• How come there are no links to sketches and other resources in each lecture?
• On an Arduino Uno, why not connect the MCP9808 to 3.3V input?

Arduino SbS Getting Started 5

• A tour of the Arduino Uno board
• How to calibrate your PIR (infrared) sensor
• ADXL335 sensor and G measurements
• Using an RGB LED, how can I achieve true white?
• When I test a thermocouple (or other thermometer) with my fingers, the temperature is not the expected 37°C. Why?

Soldering 1

• soldering iron and maintenance

Test instruments 1

• Is an oscilloscope necessary for people new to learning electronics?