[Rick] had a problem. His garage refrigerator was tasked with a critical duty—keeping refreshing beverages at low temperature. Unfortunately, it had failed—the condenser was forever running, or not ...

I have an Adafruit Feather RP2040 RFM95 connected by USB to a Linux PC running Ubuntu 25.10. If I hold BOOT (grounds QSPI_CS) and press RESET on the RP2040 board, it boots into the mass-storage ...

Control a Micro Servo with an Arduino Nano. Connect the SG90 9 g Micro Servo to the Arduino Nano using the pin layout of Table 1. Table 1: SG90 9 g Micro Servo to the Arduino Nano pin layout Arduino ...