
AVR LORA-805
tomtor/STM32-RFM95-PCB
STM32 and AVR128 Printed Circuit Board for creating IOT nodes with the RFM95 LORA chip

The AVR128DB28-I/SS is a microcontroller made by Microchip Technology in a SSOP-28-208mil package with 28 pins. -40℃~+85℃ 1.8V~5.5V 10bit 128KB 12bit 16KB 23 24MHz 8 Bit AVR Built-in FLASH SSOP-28-208mil Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:AVR64DB28-I_SO, from EasyEDA) and its footprint (Package_SO:SSOP-28_5.3x10.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. 16 are in stock at JLCPCB (part C1019765). 4 open-source boards in 3 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | PA7 | Unspecified |
| 2 | PC0 | Unspecified |
| 3 | PC1 | Unspecified |
| 4 | PC2 | Unspecified |
| 5 | PC3 | Unspecified |
| 6 | VDDIO2 | Unspecified |
| 7 | PD1 | Unspecified |
| 8 | PD2 | Unspecified |
| 9 | PD3 | Unspecified |
| 10 | PD4 | Unspecified |
| 11 | PD5 | Unspecified |
| 12 | PD6 | Unspecified |
| 13 | PD7 | Unspecified |
| 14 | AVDD | Unspecified |
| 15 | GND | Unspecified |
| 16 | PF0(XTAL32K1) | Unspecified |
| 17 | PF1(XTAL32K2) | Unspecified |
| 18 | PF6 | Unspecified |
| 19 | UPDI | Unspecified |
| 20 | VDD | Unspecified |
| 21 | GND | Unspecified |
| 22 | PA0(XTALHF1) | Unspecified |
| 23 | PA1(XTALHF2) | Unspecified |
| 24 | PA2 | Unspecified |
| 25 | PA3 | Unspecified |
| 26 | PA4 | Unspecified |
| 27 | PA5 | Unspecified |
| 28 | PA6 | Unspecified |

tomtor/STM32-RFM95-PCB
STM32 and AVR128 Printed Circuit Board for creating IOT nodes with the RFM95 LORA chip


tomtor/STM32-RFM95-PCB
STM32 and AVR128 Printed Circuit Board for creating IOT nodes with the RFM95 LORA chip

<iframe src="https://pcbkit.io/embed/parts/microchip/AVR128DB28-I/SS" title="AVR128DB28-I/SS in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/microchip/AVR128DB28-I/SS.jpg" alt="AVR128DB28-I/SS" width="1200" height="900">[](https://pcbkit.io/parts/microchip/AVR128DB28-I/SS)Yes. The symbol is EasyEDA_Cloud:AVR64DB28-I_SO and the footprint Package_SO:SSOP-28_5.3x10.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SSOP-28-208mil, with 28 pins. Its footprint is drawn on this page.
Microchip Technology publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C1019765, with 16 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the PIC16F1933-I/SS by Microchip Technology, the PIC18F25K80-I/SS by Microchip Technology, the PIC16F1938-I/SS by Microchip Technology and the CY8C21534-24PVXIT by Infineon Technologies. Check their datasheets: a part that fits the footprint may still differ in its ratings.
4 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.