January 2022 Updates
- Added info on ICs which have different part numbers for different I2C addresses.
 
- Added a photo of a castellated daughter board inside a Logitech G810 mechanical keyboard.
 
- Created a new page on current sources and sinks, including a Zener/BJT current source and constant-current diode (JFET current source).
 
- Added JFET schematic symbols. Added JFET info on transconductance and dynamic resistance.
 
- Created a new page on Wheatstone bridges.
 
- Condensed all the temperature sensor sub-pages into the temperature sensor page.
 
- Added a page on termination (electrical termination of transmission lines), including schematic examples of series termination.
 
- Added more info on the SOIC component package, including the SOT-162-1 NXP synonym.
 
- Added info on the SOD-123EP component package, a variant of the SOD-123.
 
- Added info on monitoring loop time to the page on firmware superloops.