A development board using the STM32L052K8Ux, optimized for low-power use. Its form factor matches the Adafruit Feather series.

Click to see the full-size PDF
| Name | STM32L052K8Ux |
|---|---|
| Core | ARM Cortex M0+ |
| Flash Size | 64 kB |
| RAM Size | 8 kB |
| Clock Frequency | 32 MHz |
| Peripherals | USB, SPI, I2C, UART |
| External Crystal | None |
STM32L052K8U6 = –40 to 85 °C
STM32L052K8U7 = –40 to 105 °C
STM32L052K8U3 = –40 to 125 °C
| Name | MCP1711T-33I/OT |
|---|---|
| Output Voltage | 3.3 V |
| Output Current | 150 mA |
| Quiescent Current | 600 nA |
| Name | MCP73832T-2ACI/OT |
|---|---|
| Charge Current | 100 mA (set using R4) |
| Charge State | Available through PB8 |
There was no entry-level development board for the STM32L052 series, especially for the compact STM32L052K8Ux variant.
Æther L052 is open source and not sold in shops. You can build your own; all required files are in the pcb folder. If you are a manufacturer, you may reuse the design under the License, or contact me first if you prefer.
Look at the Æther L052 Examples repository.
CERN-OHL-P-2.0 license
