RISC-V Soldering Iron Running an Open Firmware

The Pinecil is a smart mini portable soldering iron with a 32-bit RISC-V SoC featuring a sleek design, auto standby and it heats up to an operating temperature in just 12 seconds when paired with a sufficiently powerful power supply unit – such as the PinePower. It runs a community built firmware that is simple to update and altered to your use-case need. We offer a wide selection of tips for the Pinecil in the Pine Store, so the soldering iron is ready to aid you in whatever projects you’re about to undertake.

Features and Specifications

17cm x 12cm x 2.3cm

88 gram weight

170mm (98mm without the solder tip) x 12.8mm x 16.2mm

30g weight with solder tip (20g weight without solder tip)

Black plastic build with metal clip (handle)

Ralim’s IronOS operating system

GigaDevice GD32VF103TB chipset

32-bit RV32IMAC RISC-V “Bumblebee Core” @ 108 MHz

0.69″ OLED white color monochrome display with 96x16p resolution

128KB Flash


USB-C PD and QC 3.0 12V-20V 3A

DC5525, 12V-21V DC 3A barrel jack

Capable of receiving power from either USB-C port or barrel jack

GPIO break-out through USB-C port

Type B2 soldering tip as default

USB-C Power Delivery

USB-C PD for delivering optimal power


Built-in white color monochrome display

GPIO Break-Out

Optional GPIO breakout for development purposes

32 Bit RISC-V Processor

32-bit RV32IMAC RISC-V processor running open firmware