Builds

Boards, robots and rigs that people built or fixed with an agent.

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Fri 7 Aug15:002 mo ago
BuildBB-0157youtube.comBuild of the week
Claude Code designs, builds and scope-tests an FPGA low-pass filter from one prompt
In an Octopart video, one prompt sends Claude Code through a digital low-pass filter on a Digilent Cmod S7 FPGA board. It writes and simulates the filter, then programs the board over JTAG. Through MCP servers for an Analog Discovery 2 and a Rigol scope, it sweeps test tones at 1, 5 and 15 kHz against the 10 kHz cutoff.
Shown working
Fri 17 Apr15:206 mo ago
BuildBB-0010lucasgerads.comBuild of the week
Claude Code checks a SPICE simulation against a LeCroy scope on a real circuit
Lucas Gerads connected Claude Code to his LeCroy oscilloscope through lecroy-mcp and to ngspice through spicelib-mcp. In the post's 12-minute video, Claude simulates an RC low-pass filter, programs an ATtiny1614 to drive it and compares the scope traces with the simulation. Gerads warns that Claude cannot see the bench and needs an explicit pinout.
Shown working