Building in Public
How Tensr is made, and why. The decisions, experiments, bugs, and real workouts behind the product.
- 01We built a QR fountain. Then we deleted the fountain.From fountain coding to repeating blocks, then portable documents: why airgapped QR transfer made a better demo than an everyday sharing workflow.
- 02The sensor was right. Our timestamps were wrong.A force-recording investigation found that Bluetooth arrival times were standing in for measurement times. Here is what that breaks and how we plan to separate the two clocks.