
Rtcbrd
adlerweb/uPoff
Small circuit/library to shut down a µC to save power for battery powered applications
Boards in 10 GitHub repositories, designed in KiCad, that use the PCF8563TS/5 by NXP Semiconductors (-40℃~+85℃ 0.25uA 1.8V~5.5V 250nA I2C Watchdog timer、Programmable clock output、Alarm function、Countdown timer Yes TSSOP-8-3mm Real Time Clocks ROHS). See how each wires it, with its parts, size, README and files; the PCF8563TS/5’s symbol, footprint and pinout are on its own page.

adlerweb/uPoff
Small circuit/library to shut down a µC to save power for battery powered applications


Thecactusman0/Nebula-openwatch
Nebula is a ESP32 based smartwatch that features a rotating bezel encoder





simpleiot/hardware
Hardware designs for IoT devices and sensor nodes.

Thecactusman0/Nebula-openwatch
Nebula is a ESP32 based smartwatch that features a rotating bezel encoder

Thecactusman0/Nebula-openwatch
Nebula is a ESP32 based smartwatch that features a rotating bezel encoder

