| Can you beat tic-tac-tronix? | Don Lancaster | Dec-71 | 32-35, 78-80 |
| Binary counting demonstrator | Frank Gross (aka Don Lancaster) | Feb-72 | 40-42 |
| Solid-state dual-clock generator. | Don Lancaster | Feb-72 | 55-57 |
| Build RE’s digital printing computer. | Don Lancaster and Leon Schoenfeld | Apr-72 | 50-53, 73 |
| Build R-E’s logic demonstrator. | Don Lancaster | May-72 | 51-53 |
| Superclock: new digital timekeeper. | Don Lancaster | Jul-72 | Cover, 54-58 |
| Superclock: new digital timekeeper. (part 2) | Don Lancaster | Aug-72 | 60-62 |
| Build this $40 IC function generator. | Don Lancaster | Sep-72 | Cover 36-41 |
| Build this $40 IC function generator. (part 2) | Don Lancaster | Oct-72 | 45, 50, 51 |
| Build R-E’s grinchwal digital test equipment. | Don Lancaster | Nov-72 | Cover 33-66 |
| Build a zero distortion stereo preamp | Gary Kay | Dec-72 | Cover 39-43 |
| Build R-E’s grinchwal (part 2) | Don Lancaster | Dec-72 | 94-96 |
| Build a zero distortion stereo preamp (part 2) | Gary Kay | Jan-73 | 62-63 |
| Grinchwal readout module. | Don Lancaster | Feb-73 | 51-53 |
| Low cost keyboards. | Don Lancaster | Feb-73 | 54-57, 87-88 |
| Build 4-channel power amplifier. | Daniel Meyer | Mar-73 | 39-42 |
| Build an ASCII keyboard encoder. | Don Lancaster | Apr-73 | 55-59 |
| Build 4-channel power amplifier. (part 2) | Daniel Meyer | Apr-73 | 62, 63, 68 |
| Letter from Daniel Meyer (Ad) | Daniel Meyer | May-72 | 7 |
| Phone-Sentry Takes Your Calls | Roger Smith | Jun-73 | Cover 35-37, 82 |
| Experiment with WWVB. | Don Lancaster | Aug-73 | 48-51 |
| TV typewriter. | Don Lancaster | Sep-73 | Cover, 43-52 |
| Experiment with WWVB. (Part 2) | Don Lancaster | Sep-73 | 98, 101 |
| Add Voice Actuation to Phone-Sentry | Roger Smith | Oct-73 | 58-59 |
| How active filters work. | Don Lancaster | Nov-73 | 42-44 |
| Tigersaurus: build this 250-watt hi-fi amplifier. | Daniel Meyer | Dec-73 | Cover, 43-47 |
| IC’s for electronic music. | Don Lancaster | Feb-74 | 49-52 |
| Build improved ASCII encoder. | Don Lancaster | Feb-74 | 59-61 |
| Build a guitar preamp. | Gary Kay | Jun-74 | Cover 36-37 |
| TV Typewriter II (part 1) | Ed Colle | Feb-75 | 27-30 |
| UART and MODEM for TV Typewriter | Roger Smith | Feb-75 | 51-53 |
| TV Typewriter II (part 2) | Ed Colle | Mar-75 | 56-58 |
| TV Typewriter II (part 3) | Ed Colle | Apr-75 | 61-63, 87, 90 |
| Screen-Read Board | Ed Colle | Sep-75 | 56, 57, 76, 77 |
| Manual Cursor Board | Ed Colle | Nov-75 | 50, 51 |
| Build Digicolororgan | Daniel Meyer | Oct-76 | 61, 66-68, 110 |
| Baudot to ASCII | Roger L Smith | Apr-76 | 57-59 |
| Serial Interface For TVT II | Ed Colle | Apr-76 | 60-62, 80, 81 |