
Ohmmeter
jlegen/Ohmmeter-Zabex
realtime ohm meter - shows value and the related E24 value in half a second

The ATMEGA88PA-MU is a microcontroller made by Microchip Technology in a MLF-32(5x5) package with 33 pins. -40℃~+85℃ 1.8V~5.5V 10bit 1KB 20MHz 23 512Byte 8 Bit 8KB AVR Built-in FLASH MLF-32(5x5) Microcontrollers (MCU/MPU/SOC) ROHS.
PCBKit's library has its KiCad symbol (MCU_Microchip_ATmega:ATmega88PA-M, from KiCad's library) and its footprint (Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm, from KiCad's library), ready for a KiCad board. 1,450 are in stock at JLCPCB (part C111457). 1 open-source board in 1 repository on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | PD3 | Input/output |
| 2 | PD4 | Input/output |
| 3 | GND | Power in |
| 4 | VCC | Power in |
| 5 | GND | Passive |
| 6 | VCC | Passive |
| 7 | XTAL1/PB6 | Input/output |
| 8 | XTAL2/PB7 | Input/output |
| 9 | PD5 | Input/output |
| 10 | PD6 | Input/output |
| 11 | PD7 | Input/output |
| 12 | PB0 | Input/output |
| 13 | PB1 | Input/output |
| 14 | PB2 | Input/output |
| 15 | PB3 | Input/output |
| 16 | PB4 | Input/output |
| 17 | PB5 | Input/output |
| 18 | AVCC | Power in |
| 19 | ADC6 | Input |
| 20 | AREF | Passive |
| 21 | GND | Passive |
| 22 | ADC7 | Input |
| 23 | PC0 | Input/output |
| 24 | PC1 | Input/output |
| 25 | PC2 | Input/output |
| 26 | PC3 | Input/output |
| 27 | PC4 | Input/output |
| 28 | PC5 | Input/output |
| 29 | RESET/PC6 | Input/output |
| 30 | PD0 | Input/output |
| 31 | PD1 | Input/output |
| 32 | PD2 | Input/output |
| 33 | GND | Passive |

jlegen/Ohmmeter-Zabex
realtime ohm meter - shows value and the related E24 value in half a second
<iframe src="https://pcbkit.io/embed/parts/microchip/ATMEGA88PA-MU" title="ATMEGA88PA-MU 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/ATMEGA88PA-MU.jpg" alt="ATMEGA88PA-MU" width="1200" height="900">[](https://pcbkit.io/parts/microchip/ATMEGA88PA-MU)Yes. The symbol is MCU_Microchip_ATmega:ATmega88PA-M and the footprint Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
MLF-32(5x5), with 33 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 C111457, with 1,450 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the ATMEGA328P-MUR by Microchip Technology, the ATMEGA168PA-MU by Microchip Technology, the ATMEGA328PB-MN by Microchip Technology and the ATTINY861A-MUR by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.