Tech Note 154 - ESP File Server using the Asynchronous Webserver

Tech Note 153 - ESP32 METAR (METeorological Aerodrome Reports) Decoder

Tech Note 152 - Use the Adafruit GFX Library to draw Lines of Any Thickness and Angle

Tech Note 151 - ESP32 ADC Accuracy Improvement using the ADC reference voltage to correct readings.

Tech Note 150 - ESP32 Low Sleep-Power Boards (Sleep Out!)

Tech Note 149 - ESP32 4-Channel Relay / GPIO Controller with Web UI

Tech Note 148 - ESP Smart Thermostat/Timer (ESP32 or ESP8266)

Tech Note 147 - ESP32 / ESP8266 Wi-Fi RF Power Output Adjustment

Tech Note 146 - ESP32 LoRa Transponder example

Tech Note 145 - ESP32 Advanced OWM Weather Server

Tech Note 143 - ESP32 – Voltage Reading (pre-calculated voltage divider) Examples

Tech Note 142 – Calibrate a BME280/680 Pressure Sensor or Barometer

Tech Note 141 - ESP32/8266 - BME280 Sleep Mode and Address Change

Tech Note 140 - Arduino/ESP32/8266 - Which Sketch/Programme is Loaded?

Tech Note 139 - Programming the ESP32/8266 using the C++ 'auto' keyword

Tech Note 138 - ESP32 and understanding 'Endianness' of data

Tech Note 137 - ESP32 a further insight into using the serial ports

Tech Note 136 - ESP32 Using its 8K of RTC RAM to retain data variables during deep sleep.

Tech Note 135 - ESP32 Wake-up from sleep using a push-button or Pulse

Tech Note 134 - ESP32 Easy power reduction method for battery powered projects

Channel Update

Tech Note 133 - ESP (8266 or 32) OWM Weather Webserver

Tech Note 132 - ESP32 Micro e-Paper (1.54") Weather Display

Tech Note 131 - ESP32/8266 Reducing Battery Load Hints & Tips

Tech Note 130 - Solar Power for Projects (Arduino/ESP8266/ESP32)

Tech Note 129 - ESP32/8266/Arduino Improved Li-ion/LiPo Battery Monitoring

Tech Note 128 - ESP32 4.2" e-paper Weather Display with Weather Girl icons

Tech Note 127 - ESP32/8266 Hints and Tips for Reliable Interrupt Operation

Tech Note 126 - ESP32 miniature weather station with wind direction add-on

Tech Note 125 - ESP8266 Combined timer and pin interrupts to measure wind speed sensors