2 layers69.7 × 40 mm
5v to bipolar15v PSU
tommassey/5v_to_bipolar15v_PSU
Small SMPS to provide ~200mA of +15v/-15v from a single 5v-12v DC supply
59 parts2
Boards using the STPS140Z
3 boardsBoards in 3 GitHub repositories, designed in KiCad, that use the STPS140Z by STMicroelectronics (1 Independent 1A 40V 40uA@40V 5.5A 550mV@1A SOD-123 Schottky Diodes ROHS). See how each wires it, with its parts, size, README and files; the STPS140Z’s symbol, footprint and pinout are on its own page.
- 2 layers57.7 × 48.1 mm
Door open alarm
dani9875/door_alarm_system
When a change is detected, the system transmits the event data through the local network to cloud services. The cloud then relays the information to a mobile application, alerting the property owner via a notification.
59 partsApache-2.0 - 4 layers58.9 × 41.1 mm
