
MP Tracker
elektra42/freifunk-open-mppt
Open hard- and software solar maximum power point tracker

The TL081 is an operational Amplifier made by Gcore in a SOP-8 package with 8 pins. -18V~18V -20℃~+85℃ 1 1.8mA 100pA 200nA 20V/us 3MHz 3mV 85dB Built-in compensation SOP-8 Operational Amplifier ROHS.
PCBKit's library has its KiCad symbol (Amplifier_Operational:TL081, from KiCad's library) and its footprint (Package_SO:SOP-8_3.76x4.96mm_P1.27mm, from KiCad's library), ready for a KiCad board. 3,559 are in stock at JLCPCB (part C18184970). 42 open-source boards in 37 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | NULL | Input |
| 2 | - | Input |
| 3 | + | Input |
| 4 | V- | Power in |
| 5 | NULL | Input |
| 6 | — | Output |
| 7 | V+ | Power in |
| 8 | NC | Not connected |

elektra42/freifunk-open-mppt
Open hard- and software solar maximum power point tracker

MitjaNemec/Archive3DModels
This plugin copies footprint 3D models to the project local subfolder (default name: packages3D). The plugin also updates the links to the models within the layout (.kicadpcb) file so that they point to the archived 3D…




atomlaser-lab/iq-bias-control
Digital bias controller for IQ single-sideband modulation using a Red Pitaya STEMlab board


shorlee/TeleSTERN
The TeleSTERN Project is an Open Source Rocketry Flight Computer based on the TeleMega by Altus Metrum.
<iframe src="https://pcbkit.io/embed/parts/gcore/TL081" title="TL081 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/gcore/TL081.jpg" alt="TL081" width="1200" height="900">[](https://pcbkit.io/parts/gcore/TL081)Yes. The symbol is Amplifier_Operational:TL081 and the footprint Package_SO:SOP-8_3.76x4.96mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOP-8, with 8 pins. Its footprint is drawn on this page.
Gcore publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C18184970, with 3,559 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the LM2904 by GOODWORK, the LM358DR91M by GREENMICRO, the LM358P8 by hongjiacheng and the LM358 by GAOGE MICROCHIP. Check their datasheets: a part that fits the footprint may still differ in its ratings.
42 boards in 37 repositories on GitHub; the most starred are listed on this page, with their KiCad files.