12 open source boards using the ESP-01v090
Real designs built with the ESP-01v090, 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.
ESP8266Teensy wifi weather logger
pdp7
3.6 × 3.6 mm11 parts2LCERN-OHL-1.211
ESP8266PCB Challenge - Master
D1360-64RC14
94.9 × 88.7 mm26 parts2LCC-BY-SA-4.04
ESP8266ESP Attiny 1614
tomtor
33.1 × 23.9 mm18 parts2LGPL-3.04
ESP8266Homemeteo esp-01
edirab
54.2 × 39.3 mm21 parts2LNo license1
ESP8266ESPTiny
33 × 26.4 mm16 parts2LGPL-3.04
ESP8266ESPTiny402
26.4 × 23.9 mm15 parts2LGPL-3.04
ESP8266Shield
xtarke
68.6 × 53.3 mm24 parts2LNo license5
ESP32SensactHsIO3
klaus-liebler
90 × 53 mm187 parts2LApache-2.04
ESP8266ESPTiny402-hand-SOT89
26.4 × 23.9 mm15 parts2LGPL-3.04
RP2040/RP2350Frank core2
rh1tech
80.6 × 54 mm190 parts4LGPL-3.03
ESP8266ESPTiny402-SOT89
26.4 × 23.9 mm15 parts2LGPL-3.04
ESP8266ESPTiny402-SOT89-shove
26.4 × 23.9 mm15 parts2LGPL-3.04
The ESP-01v090 in open source designs
The gallery holds 12 open source boards using the ESP-01v090 from 7 GitHub repositories; a typical one measures about 33 × 25.2 mm and carries around 17 components.
92% are two-layer designs, the rest use four layers or more, and 83% carry an open source license.
The most starred is Teensy wifi weather logger by pdp7.
Parts used alongside the ESP-01v090
Microcontrollers on boards using the ESP-01v090
What boards using the ESP-01v090 are built for
ESP-01v090: common questions
Where can I find a ESP-01v090 reference design?
Each of the 12 boards on this page is a real design using the ESP-01v090. 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 ESP-01v090 use?
Most are built on ESP8266 (10), ESP32 (1) and RP2040/RP2350 (1).
How big is a typical board using the ESP-01v090?
The median is 33 × 25.2 mm, and 92% are two-layer designs.
What is the most popular open source board using the ESP-01v090?
By GitHub stars, Teensy wifi weather logger by pdp7, with 11 stars.
Can I simulate one of these boards using the ESP-01v090 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.