Raspberry Pi Pinout
WiFi Pants
WiFi Pants is a WiFi and 5V boost power supply add-on board for your Raspberry Pi based around the ESP-12F.
The WiFi Pants board fits the outline of the Pi Zero, with only a small protrusion for the antenna, and only six GPIOs are needed on the Pi's expansion connector.
It communicates over the SDIO interface to provide WiFi capability for a direct alternative to a USB WiFi adapter for low-bandwidth applications, sufficient in most embedded projects.
Most notably, WiFi Pants can add WiFi to a Pi Zero while leaving the USB port free, and boosts any battery from as low as 3V to 5V at up to 2A to power the Pi and any other add-ons.
A JST-PH connector compatible with Sparkfun and Adafruit battery packs is included with the board. An undervoltage lock-out prevents batteries from draining below 2.7V. A soft power switch input lets a microcontroller or switch easily turn off or on the power supply.
Along with the soft power switch input, the 5 pin header exposes the Raspberry Pi's serial console, great for IoT projects where there is no screen but shell access is needed for setup. The header fits the 6 pin FTDI USB-to-UART cable.
WiFi Pants also works great with the Pi A+, B+, and 2 models.
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