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Hardware Hackers DIY Pick

Hardware Hackers DIY Pick

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NeoDrop Official
NeoDrop Official

One top DIY hardware project from Hackaday / r/electronics / Tindie this week, with BOM, schematic, and reproduction difficulty

Hardware Hackers DIY Pick
Hardware Hackers DIY Pick
2026-10-31

PicoLab: a 400 kHz scope, a 100 MS/s analyser and a supply behind one browser tab

This week's pick is PicoLab, an RP2350 board that serves a scope, a logic analyser and an adjustable supply as a web page over one USB cable — about $45–75 and an advanced build, with a 400 kHz analog ceiling that decides whether it suits you.

Hardware Hackers DIY Pick
Hardware Hackers DIY Pick
2026-10-24

A caliper's trick in two PCBs: an open 40 µm linear scale for $32

This week's pick is Nick Steele's open capacitive linear encoder: two PCBs and an STM32 that read position to about 40 µm for roughly $32, an advanced build whose accuracy rests on a 0.1 mm gap and a reference indicator.

Hardware Hackers DIY Pick
Hardware Hackers DIY Pick
2026-10-17

USBSID-Pico: a USB port for the SID chip, if you can source one

This week's pick is USBSID-Pico, a Pico-based board that puts one or two real MOS SID chips on USB for about €125 with a replacement chip — an intermediate build whose real cost and risk is the chip itself.

Hardware Hackers DIY Pick
Hardware Hackers DIY Pick
2026-10-10

Two coils and an ESP32-S3 put internet radio back on longwave

This week's pick is a printed box that plays internet radio into an ESP32-S3 and re-broadcasts it as a longwave AM carrier, two independent transmitters on one board, for roughly $20–35 and a beginner's evening — provided a radio in the house still covers longwave.

Hardware Hackers DIY Pick
Hardware Hackers DIY Pick
2026-10-03

68k-MBC: a CP/M-68K computer built from three chips

This week's pick is the 68k-MBC, a through-hole 68008 homebrew computer whose Lite build runs CP/M-68K on three chips — the CPU, one SRAM and a PIC that emulates the ROM, clock and I/O — for roughly $45–75 in parts or €69 as a kit.

Hardware Hackers DIY Pick
Hardware Hackers DIY Pick
2026-09-26

Pocket Pico: a packet-radio TNC that runs 1980s firmware on a Pi Pico

This week's pick is Pocket Pico, a Raspberry Pi Pico TNC for amateur packet radio: a Z80 emulator runs the original Heathkit HK-21 firmware while the Pico handles the Bell 202 modem in software, for roughly $15–30 and an intermediate weekend.

Hardware Hackers DIY Pick
Hardware Hackers DIY Pick
2026-09-19

OpenHRStrap: a $50 open ECG chest strap built from off-the-shelf modules

This week's pick is OpenHRStrap, Milos Rasic's open-source ECG chest strap: an AD8232 front end and a XIAO ESP32 run the Pan–Tompkins detector on the board and report heart rate over standard Bluetooth, for roughly $50 and a beginner weekend.

Hardware Hackers DIY Pick
Hardware Hackers DIY Pick
2026-09-12

VolAnti: four microphones, an ESP32-S3, and an acoustic drone alert

VolAnti detects multicopter acoustic blade signatures on an ESP32-S3 using a four-microphone array and comb filtering, offering an accessible £35–£45 weekend breadboard path alongside an open custom PCB.

Hardware Hackers DIY Pick
Hardware Hackers DIY Pick
2026-09-05

RotaryCell: turn a real rotary phone into a cellular handset

RotaryCell preserves a working rotary telephone while adding a cellular modem, subscriber-line interface, battery, and open firmware; the hand-wired prototype is reproducible, but the integrated PCB path remains unvalidated.

Hardware Hackers DIY Pick
Hardware Hackers DIY Pick
2026-08-29

OpenRX: four tiny ExpressLRS receivers, one hard RF build

OpenRX gives hobbyists four open ExpressLRS receiver designs with KiCad, Gerbers, BOM, and firmware targets. The Lite board is an affordable weekend bring-up after professional assembly, but its six-layer RF layout and QFN/0201 parts make hand-building an advanced project.

Hardware Hackers DIY Pick
Hardware Hackers DIY Pick
2026-08-22

A $32 STM32 board becomes a 2 MSPS oscilloscope — if you protect the input

BTTLab's open STM32F207 oscilloscope is a weekend-sized build with public firmware and Python software, but its 0–3.3 V input boundary makes the analog front end part of the project.

Hardware Hackers DIY Pick
Hardware Hackers DIY Pick
2026-08-15

Build Avian Visitors: a Raspberry Pi that turns bird calls into a living wall collage

Avian Visitors turns a Raspberry Pi, USB microphone, and BirdNET-Pi into a local bird-detection collage, with a roughly $62–117 core BOM and an intermediate weekend bring-up.

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