Six electronics experiments

Complete exact accepted source readers, blank worksheets and original diagrams. Physical and target qualification remain separate.

1. 99 — Liquid Flow: A Bubble Is Not Zero Flow
2. 100 — Room Humidity and Window Temperature: Calculate a Condensation Margin
3. 101 — TPS3808: A Recovered Rail Must Stay Good Before RESET Releases
4. 102 — Pot Drainage: Weigh the Water That Leaves Before Calling It Dry-Back
5. 103 — SCD41: Pressure Compensation Is a Separate Input, Not a CO₂ Calibration
6. 104 — CD4046B: Following a Frequency Is Different from Acquiring Lock