46 lines
1.7 KiB
Markdown
46 lines
1.7 KiB
Markdown
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<!--
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---
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name: WiFi Pants
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class: board
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type: power, iot
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formfactor: pHAT
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manufacturer: SLNGadget
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description: WiFi and battery power for the Raspberry Pi
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url: https://hackaday.io/project/8678-rpi-wifi
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github: https://github.com/al177/esp_hat
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buy: https://www.tindie.com/products/ajlitt/wifi-power-pants/
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image: 'wifi-pants.png'
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pincount: 40
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eeprom: no
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power: external
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pin:
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'13':
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name: ESP GPIO10
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'15':
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name: ESP SCLK
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'16':
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name: ESP CSO
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'18':
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name: ESP MISO
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'22':
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name: ESP MOSI
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'27':
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name: ESP CH_PD
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'37':
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name: ESP GPIO9
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-->
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#WiFi Pants
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WiFi Pants is a WiFi and 5V boost power supply add-on board for your Raspberry Pi based around the ESP-12F.
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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.
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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.
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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.
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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.
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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.
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WiFi Pants also works great with the Pi A+, B+, and 2 models.
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