2 open source boards using the SIM868

Real designs built with the SIM868, 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.

The SIM868 in open source designs

The gallery holds 2 open source boards using the SIM868 from 2 GitHub repositories; a typical one measures about 68.8 × 45.6 mm and carries around 95 components.

100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.

The most starred is SIM868 Based GSM+GPRS+GNSS+BT Module by vul-os.

Microcontrollers on boards using the SIM868

SIM868: common questions

Where can I find a SIM868 reference design?

Each of the 2 boards on this page is a real design using the SIM868. 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 SIM868 use?

Most are built on RP2040/RP2350 (1).

How big is a typical board using the SIM868?

The median is 68.8 × 45.6 mm, and 100% are two-layer designs.

What is the most popular open source board using the SIM868?

By GitHub stars, SIM868 Based GSM+GPRS+GNSS+BT Module by vul-os, with 55 stars.

Can I simulate one of these boards using the SIM868 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.

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