USB-C WiFi BLE TH Sensor
Consumer USB-C powered environmental sensor node with Wi-Fi, BLE 5.x, digital temperature/humidity sensing, protected 5 V input, and a 3.3 V low-power MCU/sensor rail.
Projects
Components
12V 555 Ignition Coil Driver
12 V NE555 astable ignition-coil driver using an IRF840 MOSFET low-side switch with gate conditioning, decoupling, input/output connectors, and flyback clamp protection.