Universal board for Arduino Nano and UNO and Nano shield with NRF24L01 transmitter, 16x02 LCD I2C SPI (PCF8574) display, two KY-040 Rotary Encoder, GY-521 ITG/MPU (MPU6050), Adafruit 9DOF (LSM303DLHC+L3GD20), MH-FMD BUZZER, DHT11 Humidity & Temperature Sensor, BME280 Pressure Humidity Temperature Sensor Module, MQ-8 and MQ-9 GAS SENSOR, With additional areas for dip and soic.
This circuit is a charger for single-cell lithium (Li-Ion) and Polymer (LiPo) batteries. It can sources energy from DC jack connectors (two different dimensions), USB-C and solar panel. It uses MCP73871 which has the peculiarity to smartly adjust the current sank, making it ideal for solar-powered applications, where the available energy could be really scarce and high-varying over time.
PCB files for Adafruit DC Stepper Motor FeatherWing
Format is EagleCAD schematic and board layout
For more details, check out the product page at
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Designed by Adafruit Industries.
An add-on board for Adafurit ItsyBitsy NRF52840 Express microcontroller, providing Li-Ion charging circuit, 6 degree of freedom IMU, and a JST XH connector for DotStar or similar LED strips. It designed for a Persistence of Vision (POV) projects, similar to the one described in https://learn.adafruit.com/pov-dotstar-double-staff
Full description of this porject can be found at instructables.co...
PCB Breadboard made to fit the pinout of the AdaFruit Feather Line (and other tiny boards and chipouts with a .9"/900mil DIP stance) without compromising on the number of open bus strip holes. also, adds additional bus strips down the middle of the board.
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