TPL5111 Low-Power Timer Breakout Board Adafruit TPL5111 Low-Power Timer Breakout Board is a stand-alone breakout capable of turning any electronics into low-power electronics. This Breakout Board comes fully assembled with a Texas Instruments TPL5111 chip and all components on board in a small form factor. Adafruit TPL5111 Breakout Board enables and disables the electronics, using a built-in timer that varies from once every 100ms up to once every 2 hours. This device can be activated by pressing the onboard tactile switch or the custom-made switch-to-delay pin.