Posts

Connecting an MCP23017 GPIO expander to an ESP32 over I2C with a reusable component for configuration, reads, and writes.

Extending an ESP32 component for TM1637 LED displays to show positive and negative floating-point values with appropriate rounding.

A reflection on Mueller’s reported questions about Trump’s tweet warning James Comey about possible recordings.

Serving Si7021 temperature and humidity readings from an ESP32 web server, with URL-based control of an LED.

Developing a reusable ESP-IDF component to read Si7021 temperature and humidity measurements over the ESP32’s I2C bus.

Using a Chrome extension to choose whether links that request a new tab open in the current tab instead.

Setting up the Arduino IDE on macOS for a Heltec WiFi Kit 32, including workarounds for installation and SSL errors.

A recommendation of Adam Davidson’s New Yorker essay on Michael Cohen and the vulnerabilities of Trump’s business operation.

A brief response to a New York Times essay on Trump’s authoritarian tactics and the weakening of democratic institutions.

Reflections on the cult of personality surrounding Trump, drawing comparisons with the adoration cultivated around Stalin.