4 open source boards using the TSL2591
Real designs built with the TSL2591, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
STM32Printalyzer Densitometer - Main Board
dektronics
105 × 38 mm76 parts4LNo license37
ESP32ESPHome-Indoor-Multi-Sensor
mikelawrence
52.5 × 59.7 mm97 parts4LCERN-OHL-P-2.012
Nestronic Input Board
dkonigsberg
101.6 × 38.1 mm16 parts2LNo license38
ESP32Stencil
52.5 × 59.7 mm97 parts4LCERN-OHL-P-2.012
The TSL2591 in open source designs
The gallery holds 4 open source boards using the TSL2591 from 3 GitHub repositories; a typical one measures about 77 × 48.9 mm and carries around 87 components.
75% use four copper layers or more, and 50% carry an open source license.
The most starred is Nestronic Input Board by dkonigsberg.
What boards using the TSL2591 are built for
TSL2591: common questions
Where can I find a TSL2591 reference design?
Each of the 4 boards on this page is a real design using the TSL2591. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
Which microcontrollers do boards using the TSL2591 use?
Most are built on ESP32 (2) and STM32 (1).
How big is a typical board using the TSL2591?
The median is 77 × 48.9 mm, and 25% are two-layer designs.
What is the most popular open source board using the TSL2591?
By GitHub stars, Nestronic Input Board by dkonigsberg, with 38 stars.
Can I simulate one of these boards using the TSL2591 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.