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Qt Py Charger Bff
AdafruitQT Py
A small board designed to charge LiPo or LiIon batteries for use with QT Py, featuring a slide switch, JST connector, and voltage monitoring.
In stock
Specifications
7- Operating Voltage
- 5V via USB
- Logic Level
- 3.3V
- Flash
- N/A
- Ram
- N/A
- Gpio Count
- 1
- Dimensions
- Small
- Connectivity
- USB Type-C for power input
Pinout
5Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| Power Slide Switch | power_switch | POWER | Turns the BFF on or off when not plugged into USB power. |
| Power Switch Breakout Pads | external_power_switch | GPIO | Allows for an external switch to be used instead of the slide switch. |
| Battery JST Connector | battery_jst | POWER | Connects to a 3.7V/4.2V LiPo or LiIon battery. |
| Charge LED | charge_led | GND | Lights up when the battery is charging via USB. |
| Battery Monitor Pin and Jumper (A2) | battery_monitor | ADC | Used for voltage monitoring, with a simple divider circuit. |
Interactive pinout
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QT Py
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